Bikes

Top Fuel 9.7 is a quick and nimble full suspension carbon mountain bike that fuses the flat-out speed of a cross country bike with the trail-munching appetite of a trail bike. It lets you fly up climbs, hammer through flat sections, and keep on truckin' on rough descents. It's right for you if... You're looking for a do-it-all full suspension mountain bike that's fast and capable of hitting bigger stuff. You want the performance boost of a carbon frame, and you plan to put this bike through its paces on every style of trail, from flowy to techy. The tech you get A light and stiff full carbon frame, 120mm FOX Rhythm fork, 120mm of rear travel with a FOX Performance Float shock, and a 1x12 Shimano SLX/XT drivetrain. Plus 4-piston brakes for confident descents, a Bontrager Line Dropper, and Bontrager Line Comp 30 wheels that are already completely tubeless, including sealant. The final word Top Fuel 9.7 is an efficient and capable down country bike that's at home on flowy and technical trails. What sets this model apart is the lightweight carbon frame and solid parts spec that make for great performance at a great value. Why you'll love it - The full carbon frame gives you a light, responsive ride - This bike's killer suspension setup is both efficient and ready to party - 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 Wheel size: - Size X-Small: 27.5-inch - Sizes Small – X-Large: 29-inch

Top Fuel 9.7 is a quick and nimble full suspension carbon mountain bike that fuses the flat-out speed of a cross country bike with the trail-munching appetite of a trail bike. It lets you fly up climbs, hammer through flat sections, and keep on truckin' on rough descents. - The full carbon frame gives you a light, responsive ride - This bike’s killer suspension setup is both efficient and ready to party - 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

Top Fuel 9.8 is a full suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end parts package—including a new SRAM GX Eagle AXS wireless electronic drivetrain—with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack. - The SRAM GX Eagle AXS drivetrain is smart, smooth, and completely wireless - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - This bike’s killer suspension setup is both efficient and ready to party - Wider Line Elite 30 wheels provide better tire support so you can run lower pressure and get more traction

Top Fuel 9.8 is a full suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end parts package—including a new SRAM GX Eagle AXS wireless electronic drivetrain—with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack. It's right for you if... You're looking for a do-it-all full suspension mountain bike that's efficient and fast, but doesn't shy away from some bigger stuff. You want the added stiffness and weight savings of a carbon frame, and want blazing fast wireless electronic shifting. The tech you get A light and stiff full carbon frame, 120mm RockShox SID Select+ fork, 120mm of rear travel with a SID Luxe shock, and a SRAM GX Eagle AXS wireless electronic drivetrain with an extra-low 52-tooth climbing gear. Plus, wide carbon Bontrager Line Elite 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, Bontrager Line Elite Dropper, and carbon handlebars. The final word Top Fuel 9.8 is a ridiculously fun carbon down-country bike with upgraded parts that give you big benefits on the trail, like more speed from the carbon wheels, more grip from the ultra-smooth suspension, and faster, more precise shifts from the AXS drivetrain. Why you'll love it - The SRAM GX Eagle AXS drivetrain is smart, smooth, and completely wireless - This bike's killer suspension setup is both efficient and ready to party - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - Wider Line Elite 30 wheels provide better tire support so you can run lower pressure and get more traction

Top Fuel 9.8 is a full-suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end components package–including a SRAM GX Eagle AXS wireless electronic transmission–with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack.  - You get clean shifts, even under load, with SRAM's smart, smooth, and completely wireless GX Eagle AXS transmission - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride - This bike’s killer suspension setup is both efficient and ready to party - Wider Line Elite 30 wheels provide better tire support so you can run lower pressure and get more traction

Top Fuel 9.8 is a full-suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end component package with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack. WHY YOU'LL LOVE IT - Wider Line Elite 30 wheels provide better tire support so you can run lower pressure and get more traction - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - Bontrager DropLock's shifter-style lever lets you easily lock out both front and rear shocks at the same time for added sprinting or climbing efficiently. Plus, it controls your dropper post too - This bike's killer suspension setup is both efficient and ready to party - New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius IT'S RIGHT FOR YOU IF… You're looking for a do-it-all full suspension mountain bike that's efficient and fast but doesn't shy away from some bigger stuff. You want the added stiffness and weight savings of a carbon frame but don't mind saving some money on the parts. THE TECH YOU GET A light and stiff full carbon frame, 130mm RockShox Pike Select+ fork, 120mm of rear travel with a RockShox Deluxe Ultimate RCT shock, and a new Shimano XT 1x12 drivetrain. Plus, wide carbon Bontrager Line Elite 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, 4-piston brakes for confident descents, Bontrager Line Elite Dropper, and carbon handlebars. THE FINAL WORD Top Fuel 9.8 is a ridiculously fun carbon down-country bike with upgraded parts that give you noticeable benefits on the trail, like more speed from the carbon wheels and more grip from the ultra-smooth suspension.

Top Fuel 9.8 is a full suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end component package with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack. - Wider Line Elite 30 wheels provide better tire support so you can run lower pressure and get more traction - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - This bike’s killer suspension setup is both efficient and ready to party - New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius

Top Fuel 9.8 is a full suspension carbon mountain bike for riders who don't settle. Not for parts nor for one style of riding. It combines a high-end parts package with a low-weight carbon frame for one unbelievably fun rig that's fast on flow and fun to ride on techy singletrack. It's right for you if... You're looking for a do-it-all full suspension mountain bike that's efficient and fast, but doesn't shy away from some bigger stuff. You want the added stiffness and weight savings of a carbon frame, but don't mind saving some money on the parts. The tech you get A light and stiff full carbon frame, 120mm RockShox SID Select+ fork, 120mm of rear travel with a RockShox SID Luxe Ultimate shock, and a new Shimano XT 1x12 drivetrain. Plus, wide carbon Bontrager Line Elite 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, 4-piston brakes for confident descents, Bontrager Line Elite Dropper, and carbon handlebars. The final word Top Fuel 9.8 is a ridiculously fun carbon down-country bike with upgraded parts that give you noticeable benefits on the trail, like more speed from the carbon wheels and more grip from the ultra-smooth suspension. Why you'll love it - Wider Line Elite 30 wheels provide better tire support so you can run lower pressure and get more traction - This bike's killer suspension setup is both efficient and ready to party - 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

Top Fuel 9.9 XX1 AXS pulls out all the stops. This full suspension carbon mountain bike is built with the latest in fully wireless components like a SRAM XX1 Eagle AXS drivetrain and RockShox Reverb AXS dropper. It's also spec'd with high-end RockShox suspension and lots of carbon—including the wheels, bars, and shift levers. It's right for you if... You want fun. All of it. But you're also serious about speed, and want a bike that's spec'd accordingly. You're looking for a quick down-country shredder that's fast on flats, soaks up rough terrain, and has the latest in fully wireless electronic components. The tech you get A full carbon frame, super-plush 120mm RockShox SID Ultimate fork with a Charger Race Day damper that gives you more adjustment. 120mm of rear travel with a SID Luxe shock, and a fully wireless SRAM XX1 Eagle AXS drivetrain. Plus, wide carbon Bontrager Line Pro 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, wireless RockShox Reverb AXS dropper, and SRAM Level Ultimate brakes with carbon levers. The final word The best of the best. You get all the fast down-country fun you can handle, with all of the latest and greatest in suspension and wireless drivetrain tech. Why you'll love it - The SRAM XX1 Eagle AXS drivetrain is smart, smooth, and completely wireless - Wider Line Pro 30 wheels provide better tire support so you can run lower pressure and get more traction - A sleek internal storage compartment gives you a versatile spot to stow tools and gear - The OCLV Carbon RSL integrated bar/stem is ultralight, ultra-comfortable, and it looks awesome

Top Fuel AL is an aluminum full suspension frameset ideal for building up a seriously fast, seriously fun down-country mountain bike. It's made for multi-tasking, so you can spec it to shred singletrack, crush flowy trails, and more. It's right for you if... You want to build up one single full suspension bike that's super fun to ride on a wide variety of trails. You're looking for a frame that's designed for both efficiency and shred-ability. The tech you get A lightweight Alpha Platinum Aluminum frame internal storage, Mino Link adjustable geometry, a 120mm Fox Performance Float shock with 2-position DPS damper, Knock Block 2.0 headset, 35mm Bontrager Elite stem, and internal cable routing. Designed for a 120mm fork, but can handle up to 130mm of fork travel. Fits 2.4" tires. The final word If you want a high-value foundation for a full suspension bike that's fast and fun on both flow trails and technical descents, Top Fuel AL is the place to start. Why you'll love it - Alpha Platinum Aluminum is lightweight and trail-tough - Efficient and capable: you can build up this frameset to suit a wide range of trails and terrain - 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

Top Fuel C is a carbon full suspension frameset made for a super fast and fun down-county build that flies down technical descents and speeds through climbs and flowy sections. It's right for you if... You want to build up a quiver-killing bike that crushes all sorts of terrain. You know you want to start with a high-performance carbon frameset, and plan to spec it out as a mid-travel trail ripper. The tech you get A lightweight and trail-tough full OCLV Mountain Carbon frame with Mino Link adjustable geometry, an internal storage compartment, a 120mm Fox Performance Float shock with 2-position DPS damper, Knock Block 2.0 headset, Bontrager Elite 35mm stem, and internal cable routing. Designed for a 120mm fork, but can handle up to 130mm of fork travel. Fits 2.4" tires. The final word Top Fuel C is light, nimble, and fun. This OCLV Mountain Carbon frameset is ideal for building up the fast, efficient, and all-around-awesome trail bike of your dreams. Why you'll love it - The full carbon frame gives you a light, responsive ride - If you're looking to build up a lightning-fast, super versatile trail bike, this is exactly where you should start - 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 Wheel size: - Size X-Small: 27.5-inch - Sizes Small – X-Large: 29-inch

Top Fuel C is a carbon full suspension frameset made for a super-fast and fun down-county build that flies down technical descents and speeds through climbs and flowy sections.  WHY YOU'LL LOVE IT - The full carbon frame gives you a light, responsive ride - If you're looking to build up a lightning-fast, super versatile trail bike, this is exactly where you should start - 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 IT'S RIGHT FOR YOU IF… You want to build up a quiver-killing bike that crushes all sorts of terrain. You know you want to start with a high-performance carbon frameset, and plan to spec it out as a mid-travel trail ripper. THE TECH YOU GET A lightweight and trail-tough full OCLV Mountain Carbon frame with Mino Link adjustable geometry, an internal storage compartment, a 120mm Fox Factory Float shock with 3-position DPS damper and buttery-smooth Kashima coating, Knock Block 2.0 headset, Bontrager Elite 35mm stem, and internal cable routing. Designed for a 120mm fork, but can handle up to 130mm of fork travel. Fits 2.4" tires. THE FINAL WORD Top Fuel C is light, nimble, and fun. This OCLV Mountain Carbon frameset is ideal for building up the fast, efficient, and all-around awesome trail bike of your dreams.

Verve+ 3 Lowstep is an electric hybrid bike that gives your daily cruises, commutes, and workouts a boost. The Bosch pedal-assist system is powerful and reliable, and the battery is fully encased in the frame for great looks and better balance. Plus, you don't need any tools to remove it! This e-bike comes equipped with parts that put your comfort and safety first, like a road-smoothing suspension seatpost, wide, stable tires, and front and rear lights. It's right for you if... You want to do more by bike and have more fun on every ride, so comfort and user-friendly features are important. You know the extra boost of an e-bike will help you go farther, and you're looking for one that's built to last, looks great, and is intuitive to use. The tech you get A lightweight aluminum frame with a lowstep geometry, a Bosch Active Line Plus (250W, 50Nm) motor capable of sustaining speeds up to 20 mph, a Bosch PowerTube 500Wh battery that's fully encased in the frame, and a Bosch Purion controller. Plus, a 9-speed Shimano drivetrain, hydraulic disc brakes for all-weather stopping power, a suspension seatpost, wide puncture-resistant tires for extra stability, ergonomic grips, a kickstand, front and rear lights, and an MIK rear rack and fenders. The final word Verve+ 3 Lowstep gives you the power to adventure longer, commute quicker, and climb hills more easily. The extra boost makes riding your bike even more exciting and enjoyable, and quality components and comfort features make going farther and faster more fun than ever. Why you'll love it - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame and makes it easy to remove the battery without tools - It comes equipped with lights, fenders, and a rear rack so you're ready to ride right from the start - The suspension seatpost absorbs fatiguing bumps in the road - Compatible with Range Boost—an additional battery that doubles your e-bike's range so you can ride longer, commute farther, and take on bigger adventures

Verve+ 3 Lowstep is an electric hybrid bike that gives your daily cruises, commutes, and workouts a boost. The Bosch pedal-assist system is powerful and reliable, and the battery is fully encased in the frame for great looks and better balance. Plus, you don't need any tools to remove it! This e-bike comes equipped with parts that put your comfort and safety first, like a road-smoothing suspension seatpost, wide, stable tires, and front and rear lights. It's right for you if... You want to do more by bike and have more fun on every ride, so comfort and user-friendly features are important. You know the extra boost of an e-bike will help you go farther, and you’re looking for one that's built to last, looks great, and is intuitive to use. The tech you get A lightweight aluminum frame with a lowstep geometry, a Bosch Active Line Plus (250W, 50Nm) motor capable of sustaining speeds up to 20 mph, a Bosch PowerTube 500Wh battery that's fully encased in the frame, and a Bosch Purion controller. Plus, a 9-speed Shimano drivetrain, hydraulic disc brakes for all-weather stopping power, a suspension seatpost, wide puncture-resistant tires for extra stability, ergonomic grips, a kickstand, front and rear lights, and a MIK rear rack and fenders. The final word Verve+ 3 Lowstep gives you the power to adventure longer, commute quicker, and climb hills more easily. The extra boost makes riding your bike even more exciting and enjoyable, and quality components and comfort features make going farther and faster more fun than ever. Why you'll love it - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame and makes it easy to remove the battery without tools - It comes equipped with lights, fenders, and a rear rack so you're ready to ride right from the start - The suspension seatpost absorbs fatiguing bumps in the road - Compatible with Range Boost—an additional battery that doubles your e-bike’s range so you can ride longer, commute farther, and take on bigger adventures

Verve+ 4S is a speedy electric hybrid perfect for riders looking to go far and have fun on everyday rides. It features a reliable and fast Bosch Performance Line Sport drive unit and a fully-integrated 500Wh battery so you can cover more distance on a single charge. This e-bike comes equipped with parts that put your comfort and safety first, like a suspension seatpost, wide, stable tires, and integrated lights. - The powerful, reliable Bosch Performance Line Sport drive system delivers higher speed and more torque for a quick, punchy ride feel even on climbs - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame and makes it easy to remove the battery for charging, no tools needed - The elegant and compact Bosch Purion controller lets you check your speed, distance, and battery range - The suspension seatpost absorbs fatiguing bumps in the road You want the extra boost of an e-bike to get you there faster, and you're looking for one that's intuitive to use. It's important that your bike is built to last, and has one of Bosch's fastest motors. A lightweight Alpha Smooth Aluminum frame, a Bosch Performance Line Sport (250W, 65Nm) drive unit capable of sustaining speeds up to 28 mph, a long-range 500Wh battery that's fully encased in the frame, and a Bosch Purion controller. Plus, a 10-speed Shimano drivetrain, hydraulic disc brakes for all-weather stopping power, a suspension seatpost, wide puncture-resistant tires for extra stability, ergonomic grips, a kickstand, lights, and a rack and fenders. This bike is built for enjoyment and ease of use on longer commutes, recreational rides, and adventures. It features a long-range battery, a fast Bosch motor, an intuitive controller, and a road-smoothing suspension seatpost.

Verve+ 4S Lowstep is a speedy electric hybrid perfect for riders looking to go far and have fun on everyday rides. It features a reliable and fast Bosch Performance Line Sport drive unit and a fully-integrated 500Wh battery so you can cover more distance on a single charge. This e-bike comes equipped with parts that put your comfort and safety first, like a suspension seatpost, wide, stable tires, and integrated lights. - The powerful, reliable Bosch Performance Line Sport drive system delivers higher speed and more torque for a quick, punchy ride feel even on climbs - Trek's Removable Integrated Battery (RIB) system looks great and is super user-friendly: it fully hides the battery in the frame and makes it easy to remove the battery for charging, no tools needed - The elegant and compact Bosch Purion controller lets you check your speed, distance, and battery range - The suspension seatpost absorbs fatiguing bumps in the road You want the extra boost of an e-bike to get you there faster, and you’re looking for one that's intuitive to use. It's important that your bike is built to last, and has one of Bosch's fastest motors. A lightweight Alpha Smooth Aluminum frame with a lowstep geometry, a Bosch Performance Line Sport (250W, 65Nm) drive unit capable of sustaining speeds up to 28 mph, a long-range 500Wh battery that's fully encased in the frame, and a Bosch Purion controller. Plus, a 10-speed Shimano drivetrain, hydraulic disc brakes for all-weather stopping power, a suspension seatpost, wide puncture-resistant tires for extra stability, ergonomic grips, a kickstand, lights, and a rack and fenders. This bike is built for enjoyment and ease of use on longer commutes, recreational rides, and adventures. It features a long-range battery, a fast Bosch motor, an intuitive controller, and a road-smoothing suspension seatpost.

Wahoo 20 Trail is a light and tough kids' bike that's ready to roll off-road. Its sturdy aluminum frame is easy to maneuver as they weave their way down the trail, but rugged enough to handle the tough stuff. A 9-speed 1x drivetrain gives them plenty of gears for pedaling up steep trails, and disc brakes provide next-level stopping power to slow their roll or help them stop on a dime on the way back down. Perfect for riders between 45-52" tall. IT'S RIGHT FOR YOU IF… You're ready to take your kiddo off-road and want a kids' bike that's up for the task. You want the added grip of big, knobby tires, plenty of gears to keep them spinning up hills, and the reliable stopping power of hydraulic disc brakes. THE TECH YOU GET An Alpha Silver Aluminum frame with 20" wheels and wide 2.4" knobby tires that bite into dirt and give plenty of traction. Tons of gears to pick from with a 9-speed 1x microSHIFT drivetrain, and serious stopping power from hydraulic disc brakes. THE FINAL WORD Wahoo 20 Trail is a proper off-road ride in a pint-sized package. It's a kids' bike for little rippers who can't wait to cut loose and want a bike that's light, maneuverable, and darn tough, too. Its hydraulic disc brakes give your kiddo a serious advantage while they progress on the trail. WHY YOU'LL LOVE IT - Wahoo's aluminum frame is light enough for easy handling and tough enough to roll through the rough stuff - Hydraulic disc brakes give them the same serious stopping power you'll find on adult mountain bikes - A 9-speed drivetrain gives your kiddo plenty of gears to shift through, but isn't too much to handle - Wide and knobby 2.4in tires provide heaps of traction for confidence on the trail - Trek kids' bikes are designed and assembled by people who know bikes — and backed by a lifetime warranty

Wahoo 24 Path is a lightweight kids' bike ready to roll from city parks to greenways and beyond while your mini-me builds confidence and skills. It's built with a sturdy aluminum frame that holds up to their bumps and jumps and wide, smooth tires that help them carry speed on pavement without sacrificing grip. Plus, they get 8 gears to shift through as they work their way up big hills, and rim brakes to slow their roll on the way back down. Fit for riders 51-59" tall. WHY YOU'LL LOVE IT - Wahoo's aluminum frame is light enough for easy handling and tough enough to roll through the rough stuff - The simple 1x8 drivetrain keeps shifting easy so kids can focus on having fun - Smooth yet grippy tires help them gain confidence and speed without sacrificing traction - Trek kids' bikes are designed and assembled by people who know bikes — and backed by a lifetime warranty IT'S RIGHT FOR YOU IF… You're looking for a kids' bike that can play in the cul-de-sac all Saturday, pedal to the soccer game on Sunday, and spin to school on Monday. You want something durable but light enough that it's easy to control. And it has to look cool, too. THE TECH YOU GET An Alpha Silver Aluminum frame with 24" wheels and smooth 2" tires that offer plenty of grip and speed on pavement. Tons of gears to pick from with an 8-speed microSHIFT drivetrain and stopping power they can count on thanks to V-brakes with hand levers. THE FINAL WORD Wahoo 24 Path is a versatile and light bike perfect for getting kids out riding and building confidence. It's light and practical and has smooth tires that help them ride faster, with plenty of traction for pavement and paths.

X-Caliber 8 is a cross country mountain bike made for fast laps and long days on the trail. It's built with special attention to value and the parts that make the biggest difference in performance. A 1x Shimano drivetrain, RockShox fork, and hydraulic disc brakes make it a great choice for new mountain bikers and XC racers searching for fast, fun, singletrack adventure. It's right for you if... You're looking for a fast mountain bike for singletrack—one that's fully capable of taking on races, marathons, and competitive group rides. You want something that is reliable and fun with dependable, lightweight parts. The tech you get A lightweight aluminum frame, a RockShox Judy SL 100mm suspension fork with a TurnKey lockout and an air spring that's lighter and more adjustable than a coil spring, tubeless ready wheels with Boost141 hub spacing, and a Shimano Deore 1x12 drivetrain with a wide-range cassette. The final word With X-Caliber 8, you're getting a performance frame paired with performance parts, like a RockShox air fork and 1x Shimano Deore drivetrain. Plus, it's equipped with durable, lightweight alloy rims that save weight and are easy to upgrade to tubeless. Why you'll love it - It has the price of a more basic hardtail, but the parts and performance of a more expensive one - The frame is fully compatible with higher-end parts, like race wheels and a dropper post, if you ever find the need to upgrade - Smart Wheel Sizing means you'll get the fastest wheel that fits (29" wheels on larger frames, 27.5" wheels on smaller frames) - The 1x drivetrain delivers a wide range of gearing with the simplicity of a single shifter Wheel size: - Sizes X-Small – Small: 27.5-inch - Sizes Medium – XX-Large: 29-inch