Parts & Accessories

Know what's coming. Ride with extra confidence with Trek CarBack Radar Rear Light. CarBack's radar helps detect rear-approaching vehicles from up to 240m and provides audio and visual alerts through paired GPS head units for increased on-bike awareness. Built with integrated best-in-class Daytime Running Lights that are visible from up to 2km away, CarBack is a must-have for every cyclist riding on shared roads. - CarBack can detect and alert riders of rear-approaching vehicles from up to 240m away - Compatible with most cycling GPS computers - Pair CarBack with the Trek Accessory app to see a vehicle's rear-approaching and passing distance on your smartphone - Designed with focus, flash, and range to be Daytime-visible from up to 2km away - Four light flash modes: Day Flash 90LM, Day Steady 25LM, Night Steady 5LM, and Night Flash 5 LM - Visible fuel gauge LEDs make it easy to see CarBack's 7+ hour battery status - IPX7 waterproof rating to confidently ride through wet conditions - Includes Quick Connect Plus rear mount and USB-C charging cable

SRAM eTap Battery is the power source for the eTap system. The same power unit is interchangeable between front and rear derailleurs. - Up to 1000 kilometers of riding per charge - Weight: 24g - Finish: Black - Compatibility: SRAM RED eTap

Save space in your bicycle's cockpit with our Quad Lock® Stem Cap Mount or Quad Lock® Stem Cap Mount Adjustable. Both securely install between your bicycle's stem and stem cap, offering compatibility with a large variety of stem angles.

SECURE MOUNTING
These are our lightest and strongest bike mounts. Engineered from ultra-light aircraft-grade aluminium, then rigorously tested for unmatched strength and durability. This high-performance material ensures the mounts remain tough without adding unnecessary weight, making them ideal for cyclists who demand strength and efficiency. With our patented dual-stage lock, you can ride confidently, knowing your smartphone will stay secure, even on the roughest terrain.

SLEEK DESIGN
Crafted from premium aircraft-grade CNC-machined aluminium, with black hardware and a compact black lever, our Stem Cap Mounts offer a minimal and lightweight aesthetic. They install seamlessly between your bike's stem and stem cap, ensuring a clean, unobtrusive look.

OPTIMAL VIEWING POSITION
Both mounts feature a dual-sided head design, allowing you to mount the lever head on either side, offering more flexibility in adjusting your optimal phone viewing position on a variety of stem angles.

The Stem Cap Mount Adjustable features a screw-tightened hinge to hold firmly in place in your preferred viewing angle.

QUICK TO ATTACH / DETACH
Simply twist and lock to view apps as you ride such as Ride with GPS®, Strava® or maps. Detach just as easily so you don’t miss a photo opportunity or important call.

WHAT'S INCLUDED
- 1 x Quad Lock® Stem Cap Mount (with short black lever and black hardware)
- 1 x 5mm Headset Spacer 28.6
- 1 x 3mm Quad Lock 360™ Index Mount Spacer
- 1 x Allen (Hex) Key

TECH SPECS
- Black anodized aircraft-grade aluminum, forged by precision CNC
- Assembled with short black lever and black hardware for minimalist design aesthetic
- Suits stem diameters 1 1/8" (28.6mm)
- Fits cleanly above the stem and held securely by the stem cap
- Fixed angle to suit common stem angles of +15° or -15°
- Dual-sided, reversible design. Attach the head to either side of the mount for your optimal setup and phone positioning
- Fine-tune clearances with the included 5mm headset spacer and 3mm Quad Lock 360™ Index Mount Spacer

- Machined protective case that houses the Apple AirTag under your saddle. Apple AirTag sold separately - Casing is not waterproof but the Apple AirTag is rated IP67 (water resistant) - Compatible with some saddle bags - Mounts to saddle rails

The K-EDGE Garmin Stem Mount is a great upgrade solution for cyclists who prefer their computer above the stem. Mounting off of the steerer tube, the mount replaces a standard 5mm spacer, and is locked securely in place by the top cap compression system. The adjustable version allows for a variety of different stem angles. Can be used with positive or negative degree stems and additional spacers can be added (5mm to 10mm) above the stem. Note that some of the larger computers will not always work with a steep angled stem. Designed with mountain biking in mind, the K-EDGE Stem mount is also ideal for much more including: cyclocross; triathlon; bike touring; or if you simply prefer this position for your computer.

- Ideal fit for very short stems with steep upward stem angles - 1cm rise in the base will allow larger cycling computers like the Garmin 1030 to nest securely above the stem without interference

The K-EDGE Gravity Top Cap is a great computer mount for those mountain riders that already a lot going on with the cockpit of their bikes, or just want a simple and sleek looking computer mount. The Top Cap replaces your already existing top cap with the K-EDGE Gravity top cap. Ideal position for Downhill and Enduro racing/riding, but is also a popular solution for any bike when using a smaller style computer (20, 25, 200, 500, 510, 520, 820). - CNC Machined 6061-T6 Aluminum Platform, Injection Molded Garmin Specific Co- Polymer Interface - Compatibility: All Garmin Edge® Computers including the 1030*, 1000*, 820, 810*, 800*, 510, 520, 500, 200, 25, 20. Also supports the Touring, Touring Plus, Forerunner 310XT, and 910XT. (Larger EDGE computers such as 800, 810, 1000, 1030 may interfere with very steep, upright, stem angles.) - Made in Boise, Idaho, USA. - Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded.

The K-EDGE co-polymer insert for Garmin 1/4 Turn style computers is a replaceable item. While it is extremely strong, we designed this insert to fail on a significant impact before the tabs on the back of the Garmin break. - Qty 1 – K-EDGE Co-polymer Insert for Garmin 1/4 Computer (Part No. K13-503) - Qty 2 – M3 x 0.5mm x 6mm with Pre-Applied Nylon 180,18-8 S.S. Screws

Lights, Camera, You Name it The Accessory Mount is a great solution for attaching your GoPro-style mount to your helmet, seatpost, handlebar, selfie-stick or just about anything else. The banded system offers easy attachment, the 270 degree rotation helps you position your camera so that you can get the shot every time, and the omni-directional breakaway feature will take the hit in a crash (possibly saving your camera equipment). With the Accessory Mount, your imagination is the only thing holding you back. Features - Omni-directional breakaway, 270 Degree Rotation

The SmartphoneHub transforms your bike into a fully networked eBike. The smartphone and COBI.Bike app turn the SmartphoneHub into an intelligent control center that can be used for navigation, recording activities, and connection to other. The eBike can also be ridden without a smartphone due to the integrated display in the SmartphoneHub, showing the most important riding data. - The SmartphoneHub and the COBI.Bike app connect the eBike to the digital world and allow for navigation, music streaming, fitness tracking, and integration of other services and apps such as Strava - A 1.52-inch display allowing for use without a smartphone - The COBI.Bike app gives eBikers a permanent overview of the most important training data. such as performance, cadence and calorie consumption - The COBI.Bike app allows access to music and audiobook streaming services, such as Spotify or Audible, which can be operated by remote control - The SmartphoneHub charges phones using the eBike battery - Walk assistance function helps you push your eBike at speeds of up to 6 mph

Get your computer dialed with the perfect magnet Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. - Universal crank magnets sized for your bike and sensor - Compatible with all cadence sensors

Blendr is the ultimate integration system for clean and easy installation of lights, computers, and other accessories. Start with a Blendr stem, add the appropriate base, and finish with the Blendr Garmin High Mount for a clean, flush look that securely holds your Garmin centered over the stem. Key features: - Blendr is an elegant, integrated accessory mounting solution - Provides clean and secure mount for Garmin GPS - Works with any Blendr-compatible stem and the accompanying base - For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)

Keep your computer and sensors ready for every ride with replacement batteries Key features: - CR2032 battery is used for most Trek and Bontrager computers - 23AE battery is used for the Bontrager Interchange Analog Wireless Sensor - LR44 and L1154 batteries are identical and used in Bontrager SpeedTrap Sensor

The adapter puck is required for mounting Garmin head units to the Pro Blendr Alloy Computer Mount. - Start with a Blendr stem, add the appropriate base, and finish with Pro Blendr Alloy Computer Mount and Garmin Adapter Puck for secure mounting of your Garmin head unit. Blendr is an elegant, integrated accessory mounting solution - For use with Garmin head units and Pro Blendr Alloy Computer Mount - Removable design alloys quick and easy adapter puck replacement - Attach your Garmin tether for an additional layer of security

Pro Blendr is the ultimate computer integration system for clean and easy installation directly to Knock Block. - Start with a Knock Block equipped frame using the appropriate frame chip with display tabs, and finish with Pro Blendr Knock Block Computer Mount for secure mounting of computers behind the stem to keep your cockpit spotless. - In addition to the correct frame chip with display tabs, don't forget your Garmin or Wahoo Adapter Puck! These are sold separately so you can build the ultimate Blendr system that's right for you.

**Only compatible with Service Course, Service Course SL and SL Speed Stems (4 bolt)** Zipp’s QuickView Integrated stem faceplate computer mount provides an efficient fix for an emerging challenge on modern bikes, system integration. This new mount doubles as the stem faceplate for a clean look that securely holds your cycle computer and a light or camera. No more multiple mounts bolted on here and there. The mount sits in front of your Zipp stem, positioning it for easy viewing and access. The Zipp QuickView Integrated mount will have two variants, one compatible with Service Course, Service Course SL, and SL Speed models, and another designed for use with the SL Sprint. This is an easy way to add elegant integration to your road bike. A Hammerhead puck insert is included with each faceplate, making your Karoo 2 unit compatible and secure with the Zipp QuickView Integrated mount. FEATURES -Computer compatibility: Hammerhead, Garmin™, Wahoo™ -Accessory compatibility: GoPro™ -Lights: Niterider Lumina Series™ (with adapter), Light and Motion™, Bontrager™ (with adapter), Gloworm™ (with adapter), Lezyne™ (with adapter), Infini™ (with adapter), Sigma Sport™ -Lifetime warranty

Features
- Zipp Quickview Multimount Computer Mount, 31.8mm, Quarter Turn/Twist Lock, Includes Lower Mount For Light Or Camera
- SRAM Model ID: AC-CM-MM-A1

Handlebar computer mount for Garmin/Wahoo for Vuka Shift AXS

Features
- Insert ZIPP Quickview mount for HAMMERHEAD Device (Including 2 bolts)
- SRAM Model ID: ST-SPP-A0

- Easy to mount smartphone case holder - High resistance against impacts - 360 degrees adjustable angle - Quarter-turn type mount allows to place the phone in portrait or landscape mode - Waterproof, touch-screen compatible cover included

Wahoo USB ANT+ dongle Kit connects KICKR, KICKR SNAP and other ANT+ enabled devices to a Mac or PC. The 3-foot extension cord extends the USB ANT+ transmitter away from the computer and towards the connected device to avoid signal interference.

The Wahoo BlueSC speed and cadence sensor transforms your phone into a powerful cycling computer. Using Bluetooth Smart and ANT+ technology, it tracks cycling speed, cadence, and distance which can be paired with your favorite cycling app including Strava and Zwift, or paired to your bike computer. It's weatherproof, small with a low drag profile, and comes with a rubber band and zip tie mounts. - Both ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and GPS devices. - No tangled wires on your bike to connect the sensor to your device. - Provides accurate speed data during your ride - Provides accurate cadence data during your ride - BlueSC comes with a rubber band mount and zip tie mount. - The Blue SC sensor will fit with most bikes and frame sizes

Worried about losing the fastest bike computer on the market? Our ELEMNT BOLT and ROAM specific tether screws into the back of your ELEMNT BOLT or ROAM and allows you bike computer to still fit on its patent-pending integrated out front mount for optimum aerodynamic performance. - Includes tether and attachment screw

With this adaptor piece, you are able to easily convert any Garmin quarter turn bike computer mount to a Wahoo bike computer mount.

Our patent-pending integrated mount for the ELEMNT ROAM GPS bike computer is made of durable, lightweight plastic. It also comes with an optional locking screw that is UCI-compliant for connecting your ELEMENT ROAM to your bike for weigh-ins. - Fits 31.8mm round bars - Weight: 1.55 oz (44g) - Works exclusively with ELEMNT ROAM

Our stem mount for Wahoo ELEMNT GPS bike computers is made of lightweight, durable plastic and is a great solution for cyclists who prefer to keep their computer on top of the stem. - Fits any stem - Weight: 0.2oz - Works with ELEMNT, ELEMNT ROAM, ELEMNT BOLT, and ELEMNT Mini Note: BOLT loses aerodynamic advantage with this mount)

The Wahoo RPM cadence sensor is your sleek little solution for measuring cycling cadence data. It is wireless, magnet-less, lightweight, and easily mounts to your bike's crank arm or to your shoe. Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and GPS bike computers. Collecting cadence data has never been this easy. - Both ANT+ and Bluetooth Smart capabilities allow for a wireless connection to both smartphones and bike computers. - No tangled wires on your bike to connect the sensor to your device. - It only weighs 7 grams! - Provides accurate cadence data during your ride - (1) mount with double sided 3M tape, or (2) use the silicone sleeve and mount with zip ties. - The RPM can be worn on your shoe for spin classes or use with multiple bikes - Two LED lights show the sensor's device connection (blue) and cadence detection (red) - No charging required! Operates on a coin cell battery for up to 1 years. - RPM cadence sensor will fit with most bikes and frame sizes

Our forearm heart rate strap is compatible with the Wahoo TICKR FIT optical heart rate monitor. This adjustable band is gives you a reliable and secure fit to withstand your toughest workouts including running, cycling, fitness classes and more. Simply remove the pod and it is easily hand washable. - Contains a small and large strap - Hand wash only - Not compatible with chest straps

The Wahoo TRACKR SPEED sensor is the sleek, magnet-less solution for capturing cycling speed data. It easily mounts to your bike's front wheel hub, and the Bluetooth Smart and ANT+ dual band technology allows you to connect to and display data on both smartphones and bike computers. Tracking speed data has never been this easy.

Mounts to the Knock Block frame chip display tabs on Rail Gen 2 to mount the Bosch Kiox display behind the stem to keep your cockpit spotless.

Features
- Not Bosch Smart System compatible
- Designed for Rail Gen 2 frames
- Refer to Service Manual for assembly instructions and service