Parts

Key features: - Designed for use on carbon rims - Confirm wheel compatibility before use - Use in mud and grit will accelerate rim wear - 520554 is the Shimano style Flash Evo and fits Shimano and SRAM - 520555 is the Campagnolo style Race Pro

• Advanced tread profile and texture gives low rolling resistance with excellent cornering grip • Butyl-lined casing improves air retention for consistent tubeless ready performance • TLR - Tire is engineered for use with Bontrager TLR Sealant as the final step in a worry-free, tubeless setup • Hard-Case Lite - Lightweight sub-tread material protects against punctures

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 - 60 TPI - Folding bead

A fitness saddle with a patented fluid technology that moves freely with you as you pedal for less pressure and more comfort. Bontrager's Commuter Fluid Saddle moves with you to reduce pressure on fitness rides and commutes. The patented fluid technology performs better than standard gel—and it's paired with air foam and a full cutout for soft tissue protection and support. Plus, you can easily attach a Flare tail light to the rear-facing Blendr mount! Product details - Fluid adds comfort by moving with you as you pedal to alleviate pressure - Fluid is better than gel at reducing pressures, showing an average reduction of over 20% in peak pressure compared to gel alone - Full cutout provides targeted support and soft-tissue relief - Dual-density shell and air foam construction is soft yet supportive - Blendr attachment allows for integrated rear light mounting - inForm saddles utilize the latest in biomechanical research to maximize performance and rider comfort - The Unconditional Bontrager Guarantee offers 30 days to love it, or we'll take it back

For the roads less traveled The GR2 Team Issue gravel tire is designed for fast-rolling performance and biting traction on even the most rugged gravel roads. It has proven success at the most demanding gravel races and features Inner Strength Casting that provides lightweight puncture protection without sacrificing smooth, supple feel. Plus, you can go tubeless for better performance and even more puncture protection. - A gravel tire that provides excellent traction for confidence across the roughest roads - Fast rolling with consistent, predictable traction for a variety of road conditions - Tubeless Ready (TLR) for easy tubeless setup and puncture protection - Supple and strong Inner Strength casing provides lightweight sidewall protection - Lightweight 120 TPI casing provides great ride feel and tire performance

Lighter, faster, and longer lasting The all-new R3 Hard-Case Lite road tire rolls faster, with added traction, and a longer-lasting tread. The proprietary TR-Speed compound and updated Hard-Case Lite puncture protection increase both speed and durability while the lightly treaded design adds traction. With R3 you get a faster road racing tire that delivers added confidence through every corner. Product details - Designed for speed, traction, and durability while racing and road riding - Proprietary TR-Speed compound provides confident, fast-rolling performance - Hard-Case Lite with improved Nylon105 beaker belt provides lightweight puncture protection, great ride feel, and extra durability - Fast-rolling, lightly-treaded design adds traction and confidence - Low rolling resistance and excellent cornering grip - Tread styling gets more aggressive as size increases to better suit intended use

Upgrade or refresh your Bontrager wheels. Genuine replacement parts Whether you're looking to upgrade to the newest and freshest drivetrain or simply hoping to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered. - Replacement freehub body - Compatible with Bontrager Entry-level hubs

The Ajna Comp is the cutout saddle that every female rider can appreciate. Built to be at home on either your road or mountain bike in an aggressive Posture 2 position, the Ajna's shape offers increased stability at the nose and better pressure distribution throughout. Designed for a more aggressive riding position during sustained efforts, the Ajna Comp women's saddle delivers a great fit to preserve comfort and performance. Key features: - An aggressive posture 2 saddle that excels both on the road and mountain bike - Engineered specifically to yield better fit and greater comfort for women - Contour Relief Zone Plus (CRZ+) full saddle cutaway enhances soft tissue protection - Wider cutout and shaped nose yield stable comfort in an aggressive position - Soft cushion padding provides ultra comfort - inForm BioDynamic products optimize your natural movement for sustained, higher performance

Biting traction to tame even the most aggressive DH tracks. Our most aggressive DH tire Bontrager's World Cup-winning downhill tire gives you incredible braking control and traction at high speed over aggressive, loose, rocky terrain, wet or dry. The unique G5 tread profile provides maximum bite at any lean angle, with a predictable transition into controlled slides. Product details - A downhill tire that excels in loose, rocky, and wet conditions - Center knob tie-bar increases braking traction - Dual-step shoulder knobs for high lean angle traction - Open tread spacing is self-cleaning - Dual-Ply multi-layer casing adds stability for heavy-duty DH tires with added butyl layer to prevent flats

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 Bontrager TLR Disc wheels - Durable alloy symmetric rim with 20mm internal 26mm external width - 6-bolt disc brake hub - Does not include skewer, reflector, rim strip, valve, or owner's manual - Wheels shipped as photographed

Our most versatile performance saddle offers a full cutout for targeted support and soft tissue pressure relief for riders of all genders and all disciplines. For mountain, for road, for men, for women Our most versatile performance saddle puts you in a power posture for speed and control wherever you ride—and it’s available in an wide range of sizes to ensure you get the fit you need. A full cutout ensures long-haul comfort for all riders and all terrain. Plus, it has longer saddle rails to tailor your fit and an integrated Blendr mount for a Flare tail light. Product details - Saddle design supports riders of all genders in a performance riding position on road and mountain bikes - Full saddle cutout minimizes soft tissue pressure for lasting comfort and performance - Lightweight shell provides balance of weight, strength, and compliance - Comp-level trim optimizes foam padding for added lightweight comfort - Multiple widths and extended rail clamping area give more fit options - inForm saddles are born of cutting-edge biomechanical research to maximize performance and rider comfort - Available Blendr accessory mounts to cleanly integrate rear light

Upgrade or refresh your bike. - Bontrager AT-550 single wall, non-eyeletted rims - Does not include skewer, reflector, rim strip, valve, or owner's manual

Ride aggressively while performing comfortably with the Ajna Comp Gel women’s saddle. A wider nose and broader cut-out add comfort and stability during fast road rides. - Aggressive Posture 2 optimizes a forward pelvic rotation for highly flexible athletes - Soft cushion gel padding provides ultra comfort - Wider cutout and shaped nose yield stable comfort in an aggressive position - Women Specific Design is engineered to yield better fit and comfort for women - Contour Relief Zone Plus (CRZ+) full saddle cutaway enhances soft tissue protection - Size Specific Curvature ensures each saddle is designed specific to its width - Unique suspended rail construction increases compliance for ultimate comfort

An aluminum handlebar with IsoZone pads that displace vibration and a compact flare that increases wrist clearance. Goodbye, chatter Ready to ditch the wrist fatigue that accompanies rough road rides? IsoZone foam pads are integrated directly into the tops of the alloy Elite IsoZone bar for a 20% displacement in vibration. Features Di2 compatible ports for clean internal wire routing when integrated with Shimano EW-RS910 bar-mounted Di2 junction. Soak up the chatter and ride on in comfort while enjoying a better looking cockpit. Product details - Custom-butted, 6066-T6 alloy construction - Confidently access brake levers while in the drops with our VR-SF shallow, flared drop and shorter reach design - Compatible with Shimano EW-RS910 bar end Junction-A for cleaner Di2 routing - Compatible with clip-on aero bars - Shot-peened finish increases fatigue life - Laser-etched brake lever position lines for spot-on control set-up

A gravel handlebar with a wider flare that gives riders more comfort and control through any terrain. The bar with a flare for adventure The GR Elite Road Handlebar is a lightweight alloy bar designed to give gravel and adventure riders more comfort, control, and confidence, especially when in the drops. IsoZone EVA pads deliver entire-ride comfort, while the bar's 75mm reach, 128mm drop, and 13-degree flare make it easy to access brake levers and shifting controls from all riding positions. Product details - 13-degree flare allows for more control in the drops - Custom-butted, lightweight 6061-T6 alloy construction - Shorter reach and wider flare allows for confident handling and easy access to controls - Replaceable IsoZone EVA pads add comfort while maintaining original grip diameter - Compatible with Shimano EW-RS910 bar end Junction-A for cleaner Di2 routing - Laser-etched brake lever position lines for spot-on control setup - Compatible with clip-on aero bars

Upgrade or refresh your Bontrager wheels. Genuine replacement parts Whether you're looking to upgrade to the newest and freshest drivetrain or simply hoping to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered. - Replacement freehub body - Compatible with Bontrager Rapid Drive 108 hubs - Pawls and springs sold separately - Requires Micro Spline specific end cap

Upgrade or refresh your bike. GENUINE REPLACEMENT PARTS When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered. PRODUCT DETAILS - Original Equipment replacement Bontrager TLR Disc wheels - Bontrager Approved double wall, non-eyeletted rims - 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

Upgrade or refresh your Bontrager wheels. Genuine replacement parts Whether you're looking to upgrade to the newest and freshest drivetrain or simply hoping to refresh your trusty wheelset, Trek Genuine Replacement Parts have you covered. - Replacement parts for Bontrager hubs using the DT 240 platform - Compatible with all Bontrager wheels with DT 240 hub internals - For use with Shimano MICRO SPLINE cassettes - Includes 12mm thru-axle end cap

Strong, light, and capable The Kovee Pro 35 stem is the perfect centerpiece for cross country race bike. This lightweight stem is optimized for the latest XC mountain bike standard, with a 35mm clamp diameter that combines with a 35mm handlebar to provide a stronger, lighter system. An oversized 35mm clamp diameter MTB stem that offers increased strength and minimal weight - Oversized 35mm clamp diameter offers increased strength and minimal weight - 7075 T73, 3D, forged alloy construction - Laser-etched calibration marks make dialing in the perfect angle simple and repeatable - Compatible with both Knock Block and standard headsets and spacers - Blendr compatible for an elegant, integrated accessory mounting solution - Available in a wide range of sizes for today's mountain rider - High-strength, corrosion-resistant steel bolts - Approved for carbon bars

A light, durable 35mm MTB stem that adds Blendr capability for clean, integrated mounting of lights or computer. Equip your whip with this 35mm Line Pro stem and give yourself the oversized advantage. Forged from light and strong 7075-T73 3D aluminum, the oversized 35mm design offers increased strength and a lighter overall bar and stem system weight. Use with included Blendr base and mount for integrated mounting options for light or computer. Product details - Oversized 35mm clamp diameter offers increased strength and minimal weight - 7075 T73, 3D, forged alloy construction - Laser-etched calibration marks make dialing in the perfect angle simple and repeatable - Compatible with both Knock Block and standard headsets and spacers - Blendr compatible for an elegant, integrated accessory mounting solution - High-strength, corrosion-resistant steel bolts - Includes Blendr mono base, Garmin Mount, and Ion Light Mount - Approved for carbon bars

The forged alloy construction of the Bontrager Pro Blendr Stem delivers stiffness without compromising its light weight or sleek looks. Easy integration of lights, a computer, and more with the Blendr integration system make this stem a perfect upgrade for any bike. - Pro-level quality 31.8mm clamp diameter stem weighs less than many carbon stems - 4-bolt dual band clamp securely holds handlebar - Uses high-quality M5 corrosion-resistant faceplate bolts with 5.2Nm torque spec - Integrate accessories with included Blendr Pro base and Blendr XXX accessory mounts - Mounts intended for use with Ion and Trip, Garmin, GoPro and SRM accessories - Approved for carbon bars and steerer tubes - Safe installation requires 5mm spacer above and below stem - Included Blendr accessories: Pro Mono Base, Trip Computer mount, and High Ion Light mount

Campagnolo ProTech bottom brackets feature a patented external sealing ring design that protects a strong, resilient fiberglass-charged polyamide central tube from the harmful ingress of water, mud and grit. - Designed specifically for gravel riding and racing to protect against water, mud & grit

2-piece center lock rotors for use with Campagnolo hydraulic brake systems. - Rounded external edge prevents cutting of skin in case of contact with rotor - Inner aluminum spider maximizes heat dissipation - EKAR rotors are strong 1.85mm thick stainless tempered steel - Strong, durable, light & resistant to corrosion Specifications: - Rotor Type: Two Piece - Hub/Disc Compatibility: Center-Lock Disc - Pad Compatibility: All Pad Compounds

New Super Record 12 Speed chain: slim, robust, smooth and precise. The chain, in all its apparent simplicity, plays a critical role in the cyclist's safety and in optimizing the entire transmission mechanism. The new Super Record 12 Speed chain also had to be redesigned from scratch to work with all the other new transmission components. Therefore, the first and most important objective was reducing its overall dimensions. Its width is now 5.15 millimeters, thanks to the new pins which are perfectly aligned with the links’ outer surfaces. The second objective was safeguarding its performance. This was achieved thanks to the Ultra-link system that makes the chain safe and durable, and a special treatment that guarantees extreme smoothness and precision shifting.

The Campagnolo C13 EKAR Chain was developed specifically for the EKAR 1x13-speed gravel system. - Wide-narrow design allows for efficient drive, smooth shifts and high security - The narrow profile is lightweight, strong, and efficient - Strong, durable, links feature different grades of steel and coatings for strength and to withstand wear - Unique ultrasound bath lubrication impregnation system for long chain life - C-Link allows for easy removal and cleaning Specifications: - Links: 117 - Chain Connection Type: Quick Link - Drivetrain Speeds: 13 - Weight: 242g

Record chains represent Campagnolo's highest quality and performance chains and are available in 9, 10 and 11 speed versions. - Hollow pins for reduced weight - NI-PTFE antifriction treatment reduces friction for smooth pedaling, reduced noise, greater efficiency and longer chain life - Links (links): 114 - Width: 5.9 mm - Drivetrain Speeds: 10 - Chain Connection Type: Pressed Pin - Half Link Chain: No - Weight: 255 grams

Campagnolo's Record 11-Speed Chain is the right choice for Campagnolo 11-speed drivetrains. This fine chain is engineered for excellent strength, long wear and brilliant shifting thanks to a unidirectional design and an anti-friction treatment that lets it glide across your cassette. It also boasts hollow pins to keep your bicycle as light as possible.

Race it hard or just head off the beaten path. The Strada Bianca takes the proven construction of the Paris-Roubaix and adds volume to take you comfortably over less-than-perfect surfaces. Challenge introduces STRADA BIANCA H-TLR 45. The staple herringbone-design tire proves its handmade performances on rougher terrain with a new gravel-specific construction and an added beefier new 45mm size. The STRADA BIANCA 45 is the tire designed to take you comfortably rolling over rough pavement, cobbles, sandy or hardpack fields, to literally floating over the more enduring dry, rocky terrains. It is the first 45mm tire in the Challenge range.

For finding your way off-road. For more comfort. For the adventure. Be it the long tour or the shortcut on your way home, the Terra gravel series by Continental gets you there over rough and smooth. Choose another road, choose Terra. - A user-optimized tubeless system is specifically designed for road cycling demands. Easy to install and reliable in use. - ProTection technology gives our tires the perfect mix of fast rolling, grip, and puncture protection. Four plies under the tread and three in the sidewalls result in greater resilience and less vulnerability to damage. - A specifically developed tubeless bead seals through its unique shape and provides a stable fit on the rim.

With our PolyX Breaker, we bring our car expertise to the bicycle tire segment: Polyester has been used successfully for years in car tires and been tried and tested many times. The extremely resistant polyester fiber is woven tightly crosswise. In this way, a very high fabric density is reached, which not only makes the Breaker more resistant to foreign objects but is also especially resistant to punctures. The rolling resistance is also not negatively affected by the PolyX Breaker. - The right tire when it comes to tough conditions. - The right choice for a strong performance in the urban field and on tour.