Up to 30% off selected Trek & Marin Bicycles

The Donky Jr 24 is built around a lightweight aluminum frame and features a dependable Shimano 6-speed drivetrain, kids-sized saddle, grips, and controls, along with the quality components you expect from Marin. Perfect for neighborhood adventures, where each block away from home feels like a mile.

The Donky Jr 24 LTD is decked out with "space" graphics and has all of the same great specs as the Donky Jr. 24, including a lightweight aluminum frame, dependable Shimano 6-speed drivetrain, kids-sized saddle, grips, and controls, along with the quality components you expect from Marin.

Wahoo 24 is a lightweight, simple, and practical kids' hybrid bike that makes it easy for your little one to make the most of every ride. This versatile ride is built for ease of use: it's light, capable on a variety of surfaces, and equipped with a 1x8 drivetrain and a wide range of gearing for wherever your little one roams. For kids ages 8-12, between 51-59 inches tall. It's right for you if... You know riding is about having fun, and you want your little one to have a capable ride that's easy to operate, easy to handle, and versatile. Whether you're riding as a family or commuting to school in the morning, Wahoo delivers one great ride after another. The tech you get A lightweight Alpha Aluminum frame that's easy for kids to pick up and maneuver, multi-surface tires for traction on a variety of terrain, and a 1x8 drivetrain that simplifies the shifting process so kids can focus on what matters: having fun! The final word Wahoo is an all-purpose kids' bike with great all-around performance. It's light, practical, built for ease of use, and a lot of fun to ride. Plus, it's super easy to accessorize so your little one can make it their own! Why you'll love it 1 - Lightweight and capable: Wahoo's aluminum frame is strong and durable, but still light enough that it's easy for kids to control 2 - Closed dropouts with Trek's proprietary ThruSkew, a safety feature that ensures the wheels will never drop out unintentionally 3 - A simple 1x8 drivetrain simplifies shifting so kids can focus on having fun! 4 - You shouldn't buy your kid's bike where you buy your cereal - Unlike big box brands, Trek kids' bikes are assembled by people who know bikes

Marlin 5 is a trail-worthy daily rider that's perfectly suited for everyday adventures, on and off the trail. A suspension fork, 2x8 drivetrain, and mounts for a rack and kickstand make it an ideal choice for new trail riders or anyone looking for a comfortable, stable commuter with the ruggedness of a real mountain bike. It's right for you if... You're new to the trail, and you're looking for a real mountain bike that doubles as a commuter—and you want it all at an exceptional value. The tech you get A lightweight aluminum frame with internal routing to protect your cables and add to the bike's sleek look, 2x8 drivetrain, a wide range of gearing so you always have the right gear for your terrain, powerful hydraulic disc brakes, and a terrain-smoothing suspension fork with a lockout. The final word Marlin 5 is a great ride for all your adventures. But it's also versatile, and Marlin 5 is a popular ride on college campuses, because the rack and kickstand mounts make it easy to accessorize and haul a load. Why you'll love it - It's a real mountain bike that's also perfectly suited to daily commutes, rides around campus, or just getting from A to B on any surface - Smaller frame sizes (XXS, XS, and S) have short-reach brake levers that make it easier and more comfortable for riders with smaller hands to brake confidently - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount - Rack and kickstand mounts make it easy to accessorize, so your mountain bike can double as a rugged commuter - Like every model in the Marlin family, it's backed by Trek's lifetime warranty Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch

Marin’s Muirwoods 29er is the clear choice for all-conditions, ready-for-anything commuting. Its 4130 chromoly frame is built to last and smooth out road vibration, even in harsh urban environments. Both the frame and straight-blade chromoly fork offer generous tire clearance and have rack and fender mounts so you can gear up for the daily grind with ease. Bright, reflective details on the frame, fork, and tires help keep you visible, seriously upping the safety factor while maintaining a subdued urban style. The 27-speed drivetrain covers the gearing gamut, regardless of the load you’re hauling, and hydraulic disc brakes keep your speed dialed, even in less-than-optimal conditions.

Marlin 7 is where race-worthy mountain bikes begin. The smooth, lightweight RockShox fork and upgraded parts make this model the best choice for new riders who want a fast cross country hardtail that will hold its own against our higher-end race bikes. It's right for you if... - You're new to the trail but have serious singletrack aspirations, and want a race-worthy mountain bike with upgrades on the parts that make a big difference in performance, like a higher quality suspension fork and a wide-range 1x drivetrain. The tech you get - A light frame with internal shift cable and brake hose cable routing, a smoother-feeling RockShox Judy fork with a lockout, Shimano hydraulic disc brakes, and a simple 1x drivetrain that ditches the front derailleur for less clutter and easier operation. Don't worry, with the wide-range 11-46 cassette, you still get all the gears you need for clawing up climbs and blazing down descents. The final word - The RockShox suspension, wide range of gearing, and quality parts make it the best choice in the Marlin lineup for new mountain bikers who know they want a serious bike for their money. It’s fully capable of taking on off-road marathon rides and XC races. Why you'll love it - This is one of our most popular bikes for good reason. You get all the value, plus all the versatility—it's a totally race-worthy mountain bike, with rear rack mounts if you use it for commuting too - It's really fun to ride, and feels like a much more expensive mountain bike - Great suspension at an even better price - The 1x drivetrain gives you all the gears you need and none you don’t - Marlin models in XS and S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount Wheel size: Size X-Small – Small: 27.5-inch Sizes Medium – XX-Large: 29-inch

Marlin 8 is a race-worthy mountain bike that won't break the bank. The smooth, lightweight RockShox fork, tubeless ready wheels, and wide-range 1x drivetrain make this model the best choice for new riders who want a fast cross country hardtail that will hold its own against our higher-end race bikes. It's right for you if... You want a race-ready mountain bike with upgrades on the parts that make a big difference in performance, like a lighter, higher quality suspension fork, wide-range 1x drivetrain, and tubeless ready wheels. The tech you get A light frame with internal cable routing, a smoother-feeling RockShox Judy Silver fork with a Solo Air spring and TurnKey hydraulic lockout, Shimano hydraulic disc brakes, tubeless ready Bontrager Kovee wheels, and a simple 1x12 drivetrain that ditches the front derailleur for less clutter and easier operation. The wide-range 11-50 cassette gives you all the gears you need for clawing up climbs and blazing down descents. The final word The tubeless ready wheels, RockShox suspension, wide range of gearing, and quality parts make it an awesome choice for new mountain bikers who know they want a serious bike for their money. It's fully capable of taking on big trail adventures and XC races. Why you'll love it - This is one of our most popular bikes for good reason. You get all the value, plus all the versatility—it's a totally race-worthy mountain bike with rear rack mounts if you use it for commuting too - The RockShox fork's Solo Air spring can easily be adjusted for a specific rider weight, and it's lighter than a coil spring - Setting your wheels up tubeless reduces the overall weight of your bike and the chances you'll get a flat - The 1x drivetrain gives you all the gears you need and none you don't - Marlin models in XXS through S frame sizes have a curved top tube and a lower standover height that makes it easier for smaller riders to mount and dismount Wheel size: - Size XX-Small: 26-inch - Sizes X-Small – Small: 27.5-inch - Sizes Medium – X-Large: 29-inch

SERIES 1 ALUMINUM FRAME The Stinson E features a Series 1 6061 aluminum frame with exceptionally low standover, disc brake mounts, and rack and fender eyelets and high-volume 27.5" wheels. Stinson ST models further lower the standover height with a step-through frame design. 250W REAR HUB MOTOR The Stinson E's rear hub motor puts the power into the rear wheel, transforming your fun and stylish bike into an amazing experience for everything from bike path cruising to daily commuting. 309 WATT-HOUR RACK MOUNTED BATTERY Enough battery to tackle a couple hours in the saddle, and still light and easy to carry with you to charge LCD DISPLAY WITH BLUETOOTH The LCD display on the handlebars has on/off and mode change buttons, and clearly displays your current speed and range of the battery for easy reference. Bluetooth connectivity allows connection to the rider app, as well as effortless firmware updates. TORQUE SENSING DESIGN The Stinson E's power is proportional to your pedaling input. As you pedal the bike it senses your power input and delivers the right amount of power in response. Want a fast and zippy ride, or tackle a big hill? Put it in level 3 and put some power down. Want to cruise? Put it in level 1 and spin away.

The Gestalt is for the drop bar rider that doesn't want to stick to pavement, and can't help but get dirty no matter the route. Long distance commuters and all-weather riders will appreciate the fender and rack mounts and the sure stopping disc brakes, and the larger volume tires are right at home on that unexpected detour. Key upgrades over the Gestalt 2: - Shimano Tiagra Hydraulic Disc Brakes

The Sausalito lives up to its namesake city as the perfect bike to tackle steep hills in the middle of your commutes or fun bike path explorations and then get you and your stuff home in style. Shimano’s STEPS electric drive systems are light, efficient, and powerful, giving you the boost you need to quickly and efficiently navigate a variety of road conditions and grades for many miles. 650b wheels and wider tires smooth out the streets and paths, and the whole platform is ready for customization with clever details for attachment of all types of commuter accessories. Series 3 Aluminum Frame The standard and step-through versions of Sausalito feature a Series 3 aluminum frame with butted tubes and robust forgings, specifically designed to house the drive unit and removable battery, as well as mount a variety of commute accessories directly to the frame. Shimano Steps The Sausalito 2 features the Shimano STEPS E6100 motor system with 250 Watts and 60Nm of torque have a good get up and go feeling, with long range and enough power to get you over the steepest of climbs. Forks The 63mm travel suspension fork on Sausalito 2 smooths out and stabilizes the front of the bike when roads get rough. 418 Watt Hour Removeable Battery The 418 Wh battery is secured directly to the frame with a key lock and is easy to remove to carry with you for charging.

Checkpoint ALR 5 is the best value gravel bike in the lineup. It's a high-quality build that will hold up for long, rugged miles on pavement, dirt, and even the most treacherous gravel roads. A wealth of features like nimble-yet-stable progressive geometry, loads of mounts, plus a GRX drivetrain make it easy to customize for your kind of adventure. It's right for you if... Unlike the pure roadie who measures watts and weighs out meals, you favor epic off-road adventures that probably end with a beer and a burrito. But that doesn't mean you'll compromise on performance. You expect to get a lot for your hard-earned dollar, including quality, versatility, durability, and a ridiculous amount of fun. The tech you get A stout aluminum frame with a progressive geometry that's stable at speed and efficient when you're grinding up a climb, hidden cables that won't interfere with bags, rack and fender mounts and integrated frame bag mounts, a 2x11 Shimano GRX drivetrain with lower gears for grinding up hills or through rough gravel, hydraulic disc brakes for all-condition stopping power, tubeless ready rims, and wide 700x40c gravel tires for added stability and traction. The final word If the amount of adventure you can get per dollar spent is a priority for you, you won't do better than Checkpoint ALR 5. Quality parts, a durable alloy frame, and a wealth of features like extra tire clearance and customization options so you can confidently take on bigger, better adventures. Why you'll love it - All-new progressive geometry is quick and nimble yet keeps you stable and in control on fast, choppy descents - This bike is exceedingly versatile and suited to a wide variety of ride styles, including gravel rides, bikepacking, and daily commutes - Massive tire clearance means you can use tires up to 45c for extra traction and stability in any conditions - Integrated frame bag mounts and rack and fender mounts make it easy to carry gear and water

FX+ 2 Stagger is a lightweight city electric bike that's designed to make everyday excursions faster and more fun. It has an intuitive and natural feeling pedal assist system that makes exploring your city extra exciting and cruising up hills a breeze. Useful accessories like a rack and fenders add even more versatility to this bike. You want a lightweight, simple to use city e-bike that brings a capable boost to daily errands, commutes, and joyrides around your city. A lightweight aluminum frame with a stagger design that makes it easier to hop on and off, Trek's proprietary pedal assist system with a hub motor (250W, 40Nm) that assists up to 25 km/h and a 250Wh battery for a range of up to 55 kilometers per charge. Plus, fast 700c wheels, fast-rolling yet stable 40c tires with reflective sidewalls, a reliable 9-speed Shimano drivetrain, hydraulic disc brakes, integrated lights powered by the battery, a MIK-compatible rear rack, fenders, and a kickstand. All the versatility and confidence of FX, with an electric boost that helps you do more and go farther! FX+ also comes with ride-ready accessories like a rack and fenders that make it easier to commute and run errands. - This is our lightest city e-bike, making it easier to maneuver while parking and less of a pain to carry up stairs - The pedal assist system has a hub motor for a more natural ride feel and a simple LED remote that indicates your assist setting - It really is ready to roll, with included accessories like fenders, lights, and a MIK-compatible rear rack - Double your range with a 250Wh plug-and-play Range Extender battery that uses water bottle mounts to attach to your frame

Top Fuel 5 is a full suspension mountain bike that's equal parts efficient and capable. It soaks up rough, rugged descents but still flies like a rocket up hills and on flat stretches. The light and sturdy alloy frame is built with parts picked for performance and value, making this bike perfect for your first full suspension trail bike. It's right for you if... You've fallen in love with mountain biking, and are ready for the confidence, traction, and capability of a full suspension bike. You're looking for a rugged frame and solid parts spec that pack performance without breaking the bank. The tech you get A lightweight aluminum frame with internal storage, 120mm RockShox Recon fork, 120mm of rear travel with an X-Fusion Pro 2 shock and a wide-range 1x12 Shimano Deore drivetrain. Plus, tubeless ready rims, hydraulic disc brakes, and a dropper post. The final word A solid full suspension bike at a wallet-friendly price. The best-value bike in the Top Fuel lineup is made for having a blast going fast on just about any trail. Why you'll love it - This bike's killer suspension setup is both efficient and ready to party - Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius

Checkpoint SL 5 is a carbon gravel bike made for epic all-road adventures. It's built with lightweight OCLV Carbon, terrain-smoothing damped IsoSpeed, nimble-yet-stable progressive geometry, internal storage and loads of mounts. All of that adds up to a rad gravel bike capable of crushing the longest, roughest rides and the most ambitious bikepacking trips. It's right for you if... Chamois or cut-off shorts, bikepacking trip or brutal day of gravel racing—you're going to ride far, go fast, and have a great time. You want a bike that's both fast and comfortable, and you want endless carry options for gravel races and everyday adventures. The tech you get A 500 Series OCLV Carbon frame with damped Rear IsoSpeed and carbon armor, a progressive geometry that's stable at speed and efficient when you're grinding up a climb, internal storage, hidden cables that won't interfere with bags, integrated frame bag mounts, and rack and fender mounts. Plus, a carbon fork, a 2x11 Shimano GRX drivetrain with lower gears for grinding up hills or through rough gravel, and wide 700x40c gravel tires for added stability and traction. You can even run a dropper post to get low on long descents. The final word Light, fast, comfortable. Checkpoint SL 5 gives you the unmatched ride quality of an OCLV Carbon frame with IsoSpeed and gravel-specific geometry, plus internal storage and a drivetrain built for rough terrain. Why you'll love it - The damped, controlled rebound of the IsoSpeed decoupler soaks up fatiguing bumps without bouncing you around - All-new progressive geometry is quick and nimble yet keeps you stable and in control on fast, choppy descents - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - Massive tire clearance means you can use tires up to 45c for extra traction and stability in any conditions - Integrated frame bag mounts and rack and fender mounts make it easy to carry gear and water

Emonda SL 6 Disc Pro is the first carbon road bike in the lineup that gives you lightweight carbon wheels to match your lightweight frame. Aero tube shaping, disc brakes, and a high-performance drivetrain make it a great option for roadies who value great handling and lots of speed. It's right for you if... You're looking for every performance advantage on fast group rides and races, and you'd rather get the whole package now than make an upgrade to carbon wheels down the line. You also want the free speed of an aerodynamic frame. The tech you get A lightweight and aerodynamic 500 Series OCLV Carbon frame and fork, Bontrager Aeolus Elite 35 carbon wheels, a full Shimano Ultegra 11-speed drivetrain, and powerful Ultegra flat-mount disc brakes. The final word The best thing about this bike is that it pairs a super fast aero frame and high-end drivetrain with really nice carbon wheels. This upgrade makes it a worthy choice for any ride, from sprints on your local roads to pro stage races to hill climbing competitions. Why you'll love it - Lightweight parts to match the lightweight frame: with Emonda SL 6 Disc Pro, there's nothing left to upgrade - Aerodynamic tube shaping makes this our fastest Emonda SL platform ever—on flats and climbs alike - Hydraulic disc brakes give you stopping power and control in any weather, on any road - Like every Emonda, it's built to be the lightest and fastest in its class and it’s backed by our lifetime warranty - Confidence in carbon: if your Bontrager carbon wheels are damaged within the first two years of ownership, we'll repair or replace them for free

E-Caliber 9.8 XT is a lightweight carbon electric mountain bike that rides—and looks—like a traditional cross country bike. It's built with the same race-worthy tech as Supercaliber, including our exclusive IsoStrut integrated shock, and it has a sleek Fazua drive system that delivers a little boost when you want it most. It's right for you if... You're an avid XC rider, and love the idea of an e-MTB that helps you push your limits without providing too much assistance. It's also great for those who want to get out and ride more, or keep pace with faster friends. The tech you get A lightweight OCLV Mountain Carbon frame with 60mm of travel, a 120mm RockShox SID Select+ fork, and Trek IsoStrut shock. A Fazua Evation motor and 250Wh battery that can assist up to 20 mph when it's on, and gives zero drag when it's off. A Shimano XT drivetrain, Bontrager Line Elite dropper post, and Kovee Pro 30 carbon wheels with a 108-tooth Rapid Drive rear hub for instant engagement. The final word E-Caliber flies down singletrack like an XC MTB—because it's modeled after Supercaliber! And the Fazua assist is awesome for riders who are looking for just a little advantage that'll help them do even more of what they love. Why you'll love it - You get a helping hand from the motor on climbs and long rides, but it's a more natural-feeling assist that gives you an overall experience that's closer to riding an analog bike than a typical e-MTB - The drive system, including the motor, is easily removable. Just take it out, pop on the included cover, and you'll have a standard mountain bike that weighs 2.9kg less than before - IsoStrut gives you just enough rear suspension for cross country traction and comfort with less weight and more efficiency - Pivotless seat stays save on weight and actively bend to help soak up trail chatter - Wider Kovee Pro 30 wheels provide better tire support so you can run lower pressure and get more traction

Rail 9.8 is a long-travel carbon e-MTB that rips like our beefiest trail rigs and powers you right back up the mountain. You get upgraded everything, including the frame for maximum fun on the gnarliest runs. You also get Bosch's latest tech with the new smart system Performance Line CX that has a longer-range 750Wh battery and cool features that take your ride to the next level like activity tracking, navigation, and Bluetooth connectivity. It's right for you if... You’re looking for a long-travel carbon e-MTB with high-performance parts and a lot of battery power. You crave the responsiveness of carbon, the stability of a longer reach, the plush feel of high-end suspension, and want the very latest from Bosch. The tech you get An upgraded OCLV Mountain Carbon frame with longer reach and oversized head tube and seat tube for maximum strength. An extra-long-range 750Wh battery, a super responsive RockShox ZEB Select+ fork, and RockShox Super Deluxe Ultimate Thru Shaft shock with a Shimano XT 1x12 drivetrain. You get the latest from Bosch with smart system Performance Line CX, including the new Bluetooth LED remote for easy connectivity and all-in-one navigation and activity tracking through the eBike Flow app. The final word This bike features across-the-board upgrades that make it a serious ripper—especially the suspension package. It's built for hammering gnarly descents, then flying right back up again thanks to the powerful Bosch motor, 750Wh battery, and parts that can keep up with all that rowdy riding. Why you'll love it - Bosch's new smart system gives you all the same power and responsiveness with a new Bluetooth-connected LED remote and eBike Flow app that puts even more control and customization at your fingertips. - The full-color Kiox display shows ride info, connects with your Bluetooth enabled devices, and has a built-in theft prevention feature - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - The new frame is extra stout with a 34.9mm seat tube to accommodate more robust dropper posts, and an oversized head tube that works with burly eMTB-optimized forks for less flex and more precise steering - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy remove the battery without tools and lets you mount a water bottle cage

E-Caliber 9.8 GX AXS is a lightweight carbon electric mountain bike that rides-and looks-like a traditional cross country bike. It's built with the same race-worthy tech as Supercaliber, including our exclusive IsoStrut integrated shock, and it has a sleek Fazua drive system that delivers a little boost when you want it most. You also get a GX Eagle AXS wireless electronic drivetrain for blazing fast shifts. It's right for you if… You're an avid XC rider, and love the idea of an e-MTB that helps you push your limits without providing too much assistance. It's also great for those who want to get out and ride more, or keep pace with faster friends. The tech you get A lightweight OCLV Mountain Carbon frame with 60mm of travel, a 120mm RockShox SID Select+ fork, and Trek IsoStrut shock. A new Fazua Ride Trail 50 and 250Wh battery that can assist up to 20 mph when it's on, and gives zero drag when it's off. A SRAM GX Eagle AXS wireless electronic drivetrain, Bontrager Line Elite dropper post, and wider Kovee Pro 30 carbon wheels with a 108-tooth Rapid Drive rear hub for instant engagement. The final word E-Caliber flies down singletrack like an XC MTB-because it's modeled after Supercaliber! The Fazua drive system provides a just-right amount of assist, and SRAM's newest wireless electronic drivetrain ensures every shift is crisp and ultra-fast. Why you'll love it: - You get a helping hand from the motor on climbs and long rides, but it's a more natural-feeling assist that gives you an overall experience that's closer to riding an analog bike than a typical e-MTB - The drive system, including the motor, is easily removable. Just take it out, pop on the included cover, and you'll have a standard mountain bike that weighs 2.9kg less than before - The SRAM GX Eagle AXS drivetrain is smart, smooth, and completely wireless - IsoStrut gives you just enough rear suspension for cross country traction and comfort with less weight and more efficiency - Pivotless seat stays save on weight and actively bend to help soak up trail chatter

Rail 9.9 is our best long-travel electric mountain bike. You get an extra-beefy carbon frame, unbelievably smooth RockShox suspension, super-precise Shimano XTR drivetrain, and a powerful Bosch Performance Line CX motor with an extra-long range battery and the new smart system LED remote and Kiox display that pair with the eBike Flow app to give you activity tracking, navigation, and Bluetooth connectivity. It's right for you if... You want to spare no expense on your e-MTB experience. You want the most adjustability, smoothest performance, longest range, and most high-tech electric assist you can get. You love customization and want all the cool features of the Bosch smart system. The tech you get An upgraded OCLV Mountain Carbon frame with longer reach and oversized head tube and seat tube for maximum strength. An extra-long-range 750Wh battery, ultra-adjustable RockShox ZEB Ultimate fork, RockShox Super Deluxe Ultimate Thru Shaft shock, and ultra-responsive Shimano XTR 1x12 drivetrain. You get Bosch's new smart system Performance Line CX with a new Bluetooth LED remote for easy connectivity and all-in-one navigation and activity tracking through the eBike Flow app, plus TyreWiz and AirWiz pressure monitoring. The final word Rail 9.9 is all about top-shelf tech. RockShox's best enduro fork, Bosch's biggest battery, the super-refined shifting of XTR, an updated frame, TyreWiz and AirWiz pressure monitoring, plus Bosch's latest tech with smart system. Why you'll love it - Bosch's new smart system gives you all the same power and responsiveness with a new Bluetooth-connected LED remote and eBike Flow app that puts even more control and customization at your fingertips - TyreWiz and AirWiz let you confirm your tires, fork, and shock are at the right pressure at a glance. No more getting the pump or gauge out just to check - RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control - The new frame is extra stout with a 34.9mm seat tube to accommodate more robust dropper posts, and an oversized head tube that works with burly eMTB-optimized forks for less flex and more precise steering - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame for protection, makes it easy remove the battery without tools and lets you mount a water bottle cage