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Get back on the trail with a replacement headset assembly for your Session. Original replacement headset assembly for your Session. PRODUCT DETAILS - Complete headset assembly - Degree offset headset is stock on Session models - Only for use on 2018+ Session Carbon models

A value-packed helmet perfect for kids who just want to hop on their bike and ride. READY TO RIDE WITH THE GROWN-UPS The Trek Tyro is a dedicated youth helmet packed with the same performance and comfort found in adult helmets. A Fidlock magnetic buckle lets kids secure the chin strap easily, and an simple-to-adjust dial fits a wide range of head sizes. Plush pads make the helmet comfortable for a full day on the bike. PRODUCT DETAILS - In-molded EPS shell with additional rear coverage for protection and durability - Fidlock magnetic buckle fastens effortlessly for a quick, kid-friendly fit - Dialed fit system provides a snug and comfortable fit - Soft, comfortable, moisture-wicking, and washable helmet pads - Adjustable helmet straps provide a clean look and easy fit management - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Helmet meets ASTM standards-their tests use a smaller mass headform more realistic to younger riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over

Service and replacement parts specifically for Trek Knock Block technology. Get your bike back on the trail with the headset parts you need. PRODUCT DETAILS - Trek proprietary headset components compatible with Trek Knock Block models - 62-degree headset fits 2020 & 2021 Supercaliber and 2021 Procaliber - Includes crown race, bearings, top cover, frame chip & fastener - Frame chip has display tabs to connect Bosch Kiox Mount sold separately - Must be paired with Knock Block stem and Knock Block spacers - Knock Block headset spacers not included

A helmet with big kid features for smaller riders. TODDLERS NEED HELMETS, TOO Designed to help protect the young cyclist in your life, the Little Dipper toddler helmet features a built-in visor and easy-to-use magnetic buckles with a kid-friendly fit. It's perfect for little ones riding in a trailer, a child carrier, or all on their own. PRODUCT DETAILS - In-molded EPS shell with full coverage designed for protection and durability - Fidlock magnetic buckle fastens effortlessly for a quick, kid-friendly fit - Soft, removable helmet pads that are easy to clean - Dialed fit system provides a secure and comfortable fit - Adjustable helmet straps provide a clean look with easy fit management - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Helmet meets ASTM standards—their tests use a smaller mass headform that's more realistic to younger riders - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over Size Circumference - Toddler: 46 - 50 cm/18" - 20"

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement 24" rim brake wheels for Trek Kids bikes - Does not include skewer, reflector, rim strip, valve, or owner's manual

Original equipment replacement parts for your ride. Replacement rack for the aftermarket Fetch+ 2 Front Pannier Kit. PRODUCT DETAILS - Made of lightweight, durable aluminum - Mounting hardware sold separately

Perform frame repairs safely with this rivnut tool. When it's time to refresh your trusty bike, Trek torque tools have you covered. PRODUCT DETAILS - Torque limiting tool to safely install rivnuts in Trek frames - Designed for use with M3, M4, and M5 rivnuts - Refer to Service Manual for assembly instructions and service

A stylish road helmet with advanced WaveCel technology that balances comfort and performance for all riders who value safety. A MAJOR ADVANCEMENT IN THE PROTECTION AGAINST CYCLING-RELATED HEAD INJURIES Starvos WaveCel is a versatile, high-value cycling helmet for new-to-seasoned riders who want WaveCel, a leading technology in the protection against cycling-related head injuries. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Trek-exclusive technology disrupts the safety standards the industry has accepted for over 30 years. PRODUCT DETAILS - WaveCel advanced helmet technology - Intuitive, one-handed Headmaster fit system makes adjustments easy - LockDown dividers make helmet strap management clean and easy to adjust - Soft, comfortable, and moisture-wicking washable helmet pads - Available in XS and XL sizing - Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership - Complies with U.S. CPSC safety standards for bicycle helmets for persons age 1 and over

Rail Race takes the iconic Rail sunglasses to new heights, specifically tailored for cycling and baseball enthusiasts. Building upon the success of the original Rail, Rail Race is a 2-lens interchange model that combines style and performance to elevate your outdoor experience.

- Shimano 105 R7000 Series CS-HG700-11 cassette - Average weight: 379g - Combination: 11-13-15-17-19-21-23-25-27-30-34T

- A trekking tire that can go anywhere you want it to take you - SmartGuard puncture protection layer offers the best puncture resistance of any tire - Endurance compound for super long tread life

Adapts a thru axle hub bike for a Saris bike trainer. - Trainer Thru Axle Adapter For Saris Trainers - Thread pitch: 1.00 & 1.75 What's Included: - Thru axle - Washers - Endcaps with bolts Trainer Compatibility The Saris Trainer Thru Axle Adapter is designed for indoor use on Saris trainers only and should not be ridden outdoors. Compatible with current basic trainers. Not compatible with CycleOps PowerSync trainers. Contact us with trainer compatibility questions. Bike Compatibility Many bike manufacturers do not publish thread pitch or hub spacing online. If you are unclear as to what type of thru axle your bike uses, please contact us.

Rack it. Stack it. Pack it. Make life easier and your bike cooler MIK stands for Mounting Is Key, and this rad rear rack comes equipped with this functionality. Because easy is the name of the game. Easy on. Easy off. - Compatible with MIK accessories - Alloy 12mm diameter bars - Carrying capacity up to 27kg or 60lbs - Stainless steel hardware included - Rear rack designed to be compatible with all Electra 26", 27.5" and 700c wheels - Compatible with approved child seats

Continental's Gatorskin Folding combines 3 flat-protection technologies into one fast-riding, high-mileage racing and training tire. It features a super-fine 180 thread-per-inch casing, a bead-to-bead layer of DuraSkin, and is finished with a Kevlar-reinforced top layer. The result is a tire with a lightweight folding bead that rolls and corners with the best of them while providing flat protection second to none. - DuraSkin sidewall protection - PolyX puncture protection - Weight: 220/240/320/325 grams (23c/25c/28c/32c)

Upgrade or refresh your Bontrager wheels. When it's time to refresh your trusty wheelset, Trek genuine replacement parts have you covered. PRODUCT DETAILS - Replacement freehub body for Bontrager DC-3248 Micro Spline hub - 3-pawl Micro Spline compatible freehub - Not compatible with other DC-3248 hub platforms

Upgrade or refresh your Bontrager wheels. When it's time to refresh your trusty wheelset, Trek genuine replacement parts have you covered. PRODUCT DETAILS - Replacement freehub body for Bontrager MST-148 hub - Compatible with Bontrager MSC-148A hub - End cap not included

Upgrade or refresh your Bontrager wheels. When it's time to refresh your trusty wheelset, Trek genuine replacement parts have you covered. PRODUCT DETAILS - Replacement rims for Paradigm Comp TLR wheels - Durable double-wall alloy rim with 21mm internal, 26mm external width - Sleeved construction, non-eyeletted - Optimize with Bontrager TLR Sealant, TLR rim strips, valve stems, and tires

Carry everything Increase hauling capacity and add versatility to your bike with the BackRack Deluxe MIK. It has an additional rail that's compatible with trunk bags and panniers, an MIK system that offers secure mounting of compatible trunk bags, and threaded accessory eyelets for extra functionality and easy light installation. This rack is designed for proper weight distribution and bag positioning on larger size bikes. Product details - Quick and easy install adds storage and utility to compatible bikes - MIK mounting system provides secure, integrated mounting with compatible bags - Integrated eyelets make it easy to mount lights or other accessories - Compatible with MIK, standard trunk bags, and panniers - Single-bolt strut mounts allow maximum adjustment and easy installation - Includes required mounting hardware - Additional side stays allow for mounting of both trunk and pannier bags - Max weight capacity 25kg (55 lbs.) Specifications - Size: 18-22" (54-62cm) - Rack type: Rear racks - Material: Aluminum

Upgrade or refresh your bike. When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. PRODUCT DETAILS - Original equipment replacement kids wheels - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Connection Wheels - Bontrager Connection 32H rim - 6-Bolt disc brake - Boost hubs - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Get back on the bike with a genuine replacement wheel. When it's time to refresh your trusty bike, Trek genuine replacement wheels have you covered. PRODUCT DETAILS - Original equipment replacement Connection Wheels - Bontrager Connection 32H rim - 6-Bolt disc brake - Boost hubs - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

A daytime running light is the easiest and best way to keep riders safe and visible. The Ion 200 RT provides the proven safety of a daytime running light in a compact and powerful USB rechargeable package, and it features a distinctive flash pattern that's visible from up to 2km away. Product details - Specifically designed focus, flash, and range for ultimate daytime visibility - 200 Lumens via high-power CREE LED - Integrated light sensor auto-adjusts brightness to your environment - Connect with Garmin and Bontrager ANT+ devices for always on, battery status, and wireless control - 200LM-1.5hrs, 100LM-3hrs,5LM-14.5hrs, Night Flash-30hrs, Day Flash-12hrs - Easily attaches to your handlebars, helmet, or bike mount - Blendr compatible bar mount available - Includes Ion 200 RT, front Quick Connect bracket, and mini USB charging cable

An elegant ANT+ cycling computer that’s simple to set up, intuitive to operate, and has a large, easy-to-read screen. Know your ride Change the way you ride with the RIDEtime Elite Cycling Computer. It's easy to pair with compatible ANT+ sensors for real-time speed, cadence, and power data so you can target more productive workouts and better recovery rides. Simple setup and an intuitive one-button interface get you riding faster, while features such as auto start/stop and auto light control help you take charge of your ride. Product details - 2” easy-to-read screen features a programmable backlight and customizable tri-field display - Features auto start/stop, auto clear, and auto light control with customizable hands-free scan modes - Tri-field display lets you see three functions at once (speed, cadence, heart rate, power) - Displays Trek Certified Service reminders based on your selected bicycle type - Displays distance (trip/total), time (clock, timer), and calories burned - Track your speed, heart rate, power, cadence (current, average, max) - Includes sleek out-front mount and is also Blendr compatible - Requires ANT+ compatible sensor such as DuoTrap S or Interchange Combo Sensor - Battery: CR2032 (Coin) - Weight: 40g

Everything you need to be seen on city streets and paths. Party in the front and in the back One light set for a complete daytime running lights solution. The Ion 100 R and Flare R City feature focused optics, an interruptive flash pattern, and broad range to ensure visibility. Their compact design and wide beam spread are optimized for city riding and make these USB rechargeable lights great for any bike. Product details 1 - Be seen with a broad, powerful beam and balanced optics designed for city riding 2 - Includes Ion 100R, Flare R City, two quick connect brackets, and a micro USB charging cable 3 - Bontrager Daytime Running Lights feature flash, focus, and range to be seen during the day 4 - USB rechargeable

Custom-made for enduro racing, with DH toughness and all-mountain speed. LIGHTER, GRIPPIER, AND EVEN MORE DURABLE The SE4 Team Issue Tubeless Ready tire offers incredible grip and fast-rolling efficiency in a lightweight enduro-spec casing. Our innovative Core Strength construction provides DH-level protection at a fraction of the weight. Combined with a 61/50 dual-compound rubber, this tire can handle the roughest terrain and live to ride another day. PRODUCT DETAILS - A robust enduro tire that excels in loose and rocky conditions - Aggressive tread design provides confident cornering and braking traction in demanding terrain - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Core Strength has sidewall and sub-tread protection for lightweight durability - Go green and save green—Zero packaging means zero waste and zero extra cost

Upgrade or refresh your bike. A practical wheel that won't break the bank. PRODUCT DETAILS - Original Equipment replacement Bontrager AT-750 700c wheels - Bontrager AT-750 double wall, non-eyeletted rims - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Severe traction for the most aggressive conditions, yet light enough to climb back up. THE WORLD'S BEST ENDURO TEAM CHOOSES THE WORLD'S BEST ENDURO TIRE The Tubeless Ready SE5 Team Issue tire offers strength, durability, and fast-rolling efficiency in a super-strong enduro package. SE5 delivers the durability of an enduro tire and the traction of a downhill tire for superior performance in aggressive conditions, where lightness on the climbs is just as important as grip on the descents. PRODUCT DETAILS - A robust enduro tire that excels in loose, rocky, and wet conditions - Aggressive tread for confident cornering and braking traction on wet, slick, demanding trails - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Core Strength has sidewall and sub-tread protection for lightweight durability - Go green and save green—Zero packaging means zero waste and zero extra cost

Quick-and-easy MIK installation adds storage and utility to compatible bikes. Quick-and-easy installation adds storage and utility to compatible bikes Secure, integrated mounting with compatible bags Integrated eyelets make it easy to mount lights or other accessories Compatible with MIK, standard boot bags or panniers

Upgrade or refresh your bike. When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. PRODUCT DETAILS - Original equipment replacement Bontrager Affinity TLR 24H wheels - Alloy double-wall rim with 21mm internal, 26mm external width, 24 hole fr/r - Convert to tubeless with TLR rim strip and valve, sold separately - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Dust off that truing stand for a fresh wheel build. Whether it's a custom build or just a replacement, these hubs are the foundation for a high-quality wheelset. PRODUCT DETAILS - Bontrager front hub for use with 110mm OLD fork and 20mm thru-axle - Flange diameter: 58mm - NDS flange offset: 26mm - DS flange offset: 38mm - 32 hole, 6-bolt rotor