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

The Shimano EW-EC300 Charging Cable is compatible with new Shimano 12-speed road Di2 systems. This cable will also recharge the Dura-Ace R9200 and Ultegra R8100 power meter cranksets. 1700mm cable length

Shimano EW-SD300 Di2 eTube Wire for external routing is available in a variety of lengths.

Compact design makes new electric components smaller and lighter

EP8 EP800 Series

SRAM eTap batteries are literally a snap to remove and charge. Just flip the tool-free battery latch up and slide the battery up and out of the derailleur. Then snap the battery into the USB powered charger and connect the charger to any USB power source or A/C USB adaptor. A full charge takes just 45 minutes to complete. - Finish: Black - Compatibility: SRAM RED eTap

Use Quad Lock® twist, lock mounting with your GoPro, Action Camera or lights.

Quick to attach and detach with Quad Lock® twist, lock mounting. Swapping your Action Camera between mounts is simple.

Recommended to use only with Lever Heads for secure mounting.

Not recommended to use with a Vibration Dampener as this may increase camera shake.

WHAT'S INCLUDED
- 1 x Quad Lock® To Action Camera Adaptor
- 1 x M5 Thumb Screw

TECH SPECS
- Use Quad Lock® twist, lock mounts with GoPro, Action Cameras and compatible lights
- Recommended to combine with Lever Heads for secure mounting
- Large range of camera tilt
- Ergonomic thumbscrew for easy tightening
- Offset mount
- Polycarbonate
- Stainless steel
- Compatible with Action Cameras with a maximum base width of 65mm
- Maximum weight load: 150 grams
- Not recommended to combine with our Vibration Dampener as this may increase camera shake

Use Quad Lock® twist, lock mounting with your GoPro, Action Camera or lights. Quick to attach and detach with Quad Lock® twist, lock mounting. Swapping your Action Camera between mounts is simple. Recommended to use only with Lever Heads for secure mounting. Not recommended to use with a Vibration Dampener as this may increase camera shake.

A lightweight yet strong mount that easily secures your smart phone to your handlebar/stem.

Quad Lock® Cases feature our secure locking mechanism compatible with all twist, lock mounts, impact resistant edge to edge cover, and protective lining. PROTECTIVE / IMPACT RESISTANT With a tough, nylon core and impact absorbing TPU edge-to-edge outer shell, you can be confident that your iPhone will be protected every day. SLEEK DESIGN The slim profile and soft touch material make it perfect for everyday use. Quad Lock MAG™ Cases are thinner and flatter with a customizable MAG Ring. QUAD LOCK MAG™ Quad Lock MAG™ Cases are compatible with all Quad Lock MAG™ and Quad Lock® twist, lock mounts. Quad Lock MAG™ makes mounting your phone even faster, simply position your phone and the magnets do the rest.

SECURE MOUNTING Both mounts come with our patented dual-stage lock, which allows you to ride with confidence knowing that your smartphone will stay secure on your bike, no matter the terrain. QUICK TO ATTACH / DETACH Simply twist and lock to view apps as you ride such as Strava®, MapMyRide or Apple® maps. Detach just as easily so you don’t miss a photo opportunity or important call. Remember, it’s all in the technique, not the force. UNRIVALLED DESIGN Both mounts are designed for aerodynamics. The Out Front Mount PRO features a lower profile and super rigid anodised aluminium mounting arm. The standard Out Front Mount can be reversed to go over the stem of your bike's handlebars.

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 aluminum, 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 aluminum, 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.

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 aluminum, 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 aluminum, 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.

The level of vibration from some motorcycles can affect the image stabilisation on new smartphones. The Quad Lock® Vibration Dampener ensures you can confidently mount your smartphone to any motorcycle. FURTHER PROTECT YOUR SMARTPHONE Compatible with all Quad Lock® Motorcycle Mounts and Quad Lock® Motorcycle Accessories, the Quad Lock® Vibration Dampener reduces over 90% of high frequency vibrations produced by motorcycles. PRECISION ENGINEERED Featuring a dual chassis suspension system with precision engineered silicone grommets, the Vibration Dampener absorbs vibrations to protect your smartphone’s camera. EASY TO INSTALL The Quad Lock® Vibration Dampener comes with everything you need to integrate with your existing Quad Lock® Motorcycle Mount and can be installed in minutes.

The Quad Lock® Bike Mount is the lightest, strongest and most secure smartphone bike mount on the market.

SECURE MOUNTING
Featuring a patented dual-stage lock, you can ride with confidence over bumps and jumps knowing that your smartphone isn’t going anywhere your bike isn’t.

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

SLEEK DESIGN
At just 23mm tall and 35mm wide, the Quad Lock® Bike Mount fits seamlessly onto the stem or handlebar of your bike.

WHAT'S INCLUDED
- 1 x Quad Lock® Stem/Handlebar Mount
- 2 x EPDM mounting o-rings (small)
- 2 x EPDM mounting o-rings (large)
- 2 x Nylon zip ties (black)

TECH SPECS
- Suits bar sizes 25-40mm in diameter
- Glass filled nylon / polycarbonate construction
- Stainless steel fasteners
- 23mm tall and 35mm wide
- Compatible with all Quad Lock Cases and Universal Adaptors

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 aluminum, 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 aluminum, 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. 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 Compatability: - Fits most common circular stem size diameter 28.6mm (1-1/8") - Versatile, dual-sided, reversible design suits common stem angles +/-15°

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 aluminum, 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 aluminum, 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 Adjustable (with short black lever and black hardware) - 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 - Hinged design, tighten in place with included hex key - Dual-sided, reversible design. Attach the head to either side of the mount for your optimal setup and phone positioning Compatability: - Fits most common circular stem size diameter 28.6mm (1-1/8") - Adjustable hinge fits upright stem angles to +55°

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.

- Edge Flush Out-Front Mount - Power Mount Compatible

Be ready for any terrain with this Garmin Edge mountain bike mount designed specifically for bikes with short stems. It’s ideal for off-road riding when you may not want your Edge bike computer mounted in front of your handlebar.

Stay ahead of the pack with Garmin's Out-front Bike Mount that lets you to take full advantage of your Edge's capabilities without compromising your ride. The mount positions your device for easier monitoring and safety. Also compatible with the Forerunner 910XT and 310XT when used with a quick-release kit (sold separately).

Stay aware of approaching cars with Varia RTL515 rearview radar. It pairs with your Edge bike computer or compatible smartphone to alert you of vehicles approaching from behind up to 153 yards (140 meters) away. When used with your compatible smartphone, the Varia app uses bold graphics — plus tone and vibration alerts — to indicate the position and speed of approaching vehicles. MAXIMUM AWARENESS - Varia RTL515 rearview radar provides visual and audible alerts for vehicles approaching from behind up to 153 yards (140 meters) away. MULTIPLE PAIRING OPTIONS - This radar works seamlessly with your Edge bike computer or compatible smartphone as well as select Garmin wearables or the optional radar display unit. WORKS WITH THE VARIA APP - This smartphone app helps you increase your awareness by providing graphics — plus tone and vibration alerts — that indicate the position and speed of approaching cars. THIRD-PARTY APP COMPATIBLE - When used with a compatible smartphone, Varia radar integrates with your favorite apps, such as Ride with GPS to overlay your maps with rearview radar alerts. SUPERIOR VISIBILITY - Alert motorists to your presence as soon as possible with daylight visibility up to 1 mile. COMPACT DESIGN - Easily mount this sleek, compact device on the seatpost of almost any road-use bicycle. The vertical design allows for better leg clearance and a perfectly comfortable ride. PELOTON MODE - Varia RTL515 features multiple modes, including peloton mode, which provides a low-intensity flash that is kind to other cyclists’ eyes when riding in a group. BATTERY LIFE - Time spent charging is not as good as time spent riding. Get up to 16 hours of battery life in day flash mode and up to 6 hours in solid mode. Physical Specifications - Dimensions: 3.9” x 0.8” x 1.6" (98.6 x 19.7 x 39.6 mm) - Weight: 2.5 oz (71.0 g) - Modes: solid, peloton, night flash, day flash - Lumens: 20 solid, 8 peloton, 29 night flash, 65 day flash - Battery life: 6 hours solid, 8 hours peloton, 6 hours night flash, 16 hours day flash - ANT+: Yes - BLE: Yes - Water rating: IPX7 - Viewing angle: 220° In the box: - Varia RTL515 - Mounting Kit - Cables - Documentation

Mount your Varia Rearview Radar or Varia Smart Bike Light (each sold separately) to an aero or round seat post with this quarter-turn mount. Includes mount, 2 fitting shims and 4 O-rings.

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

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)

Light up the road 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 Universal Ion Mount for a clean, flush look that securely holds your Bontrager Ion light in a perfect position to see and be seen. - Blendr is an elegant, integrated accessory mounting solution - Clip can be rotated for compatibility with many Bontrager accessories - Works with any Blendr-compatible stem and the accompanying base

Pro Blendr is the ultimate computer integration system for clean and easy installation, made from durable alloy. - Blendr is an elegant, integrated accessory mounting solution - Alloy design provides clean and secure mounting of computers - Adapter pucks available for Wahoo and Garmin computers (sold separately) - Compatible with all Blendr bases - Attach your Garmin tether for an additional layer of security

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

Bontrager's DuoTrap Digital Speed/Cadence Sensor pulls double duty for your ANT+ cycling computer. It wirelessly transmits speed and cadence data and fits directly into the chainstay of certain Trek bicycles for a clean look that installs in seconds.

Connect ANT+ and Bluetooth Smart devices to all of the data available from the DuoTrap S sensor for your on-the-bike wireless needs. • ANT+ 2.4 GHz and Bluetooth Smart wireless digital speed and cadence sensor • ANT+ and Bluetooth Smart allow simultaneous use of Trip 300 and smartphone • For use with many ANT+ and Bluetooth Smart wireless technology enabled devices • Includes Bontrager wheel magnet, crank cadence band, and CR2032 battery • Works with Trek DuoTrap compatible bikes

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

Start with a Blendr stem, add the appropriate base, and finish with Pro Blendr Alloy Computer Mount and Wahoo Adapter Puck for secure mounting of your Wahoo head unit.

Features
- Blendr is an elegant, integrated accessory mounting solution
- For use with Wahoo head units and Pro Blendr Alloy Computer Mount
- Removable design alloys quick and easy adapter puck replacement