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

Keep your bike operating as it should.

Features
- Diametrically magnetized to improve sensor reception
- For use with 6-hole disc rotor mounts
- Compatible with rear dropout sensors only

- Di2 internal battery, fits all e-Tube Di2 groups - Capacity: 500 mAH (± 2000km) - Use with EW-WU101 or SC-MT800 interfaces/junction to gain BlueTooth Smart wireless connectivity for on-the-fly adjustments with smartphones and tablets - Requires SM-BCR2 charger

Shimano Di2 Frame Junction Box

Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount

All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions

Use Di2 system checker to update component firmware from http://e-tubeproject.shimano.com/

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

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.

Add a coloured lever to style your Quad Lock® Mount to your bike.

WHAT'S INCLUDED
- 1 x Quad Lock® Out Front Mount PRO assembled with black lever and hardware
- 3 x Spacers for 22.2mm, 25.4mm and 31.8mm bars (mount suits 35mm bars)
- 1 x Threaded Base Cap
- 1 x 3mm Hex (Allen) Key

TECH SPECS
- Aerodynamic, low profile straight arm
- Black anodised aluminium clamp and arm, made by precision CNC
- Assembled with black lever & hardware
- Suits handlebar diameters: 22mm, 25.4mm, 31.8mm and 35mm (7/8", 1", 1 1/4", and 1-3/8")
- 360 degree mount head rotation
- Compatible with Quad Lock® Light/Camera Adaptor
- Compatible with Quad Lock® Waterproof Wireless Charging Head
- Compatible with all Quad Lock® Cases and Universal Adaptors

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 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 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

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

- Dual band Bluetooth and ANT+, magnetless sensor with integrated accelerometer - Quick pairing with CatEye Cycling app (Bluetooth) - Waterproof IPX7 (based on JIS C0920) - Works with Padrone Digital, Padrone Smart+, Padrone Smart* and Strada Smart* *For Padrone Smart and Strada Smart, works in Mirror Mode only

CatEye Magnetless Bluetooth sensors with accelerometer. Dual-band Bluetooth, and ANT+ magnetless sensor with integrated accelerometer. Works with Padrone Digital, Padrone Smart+, Padrone Smart (in Mirror Mode), and Strada Smart. - Quick pairing with CatEye Cycling app - Sensors strap to hub shell and crank arm and uses accelerometer to measure speed/cadence

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 6mph

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

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

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

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

Get more data from your rides with the Bontrager Interchange digital combo speed and cadence sensor. This ANT+ 2.4 Ghz is designed to work with Bontrager Node wireless computers. It also works with many other ANT+ enabled devices. Sensor adjustment is easy with the adjustable arm. • 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 • Independently adjustable arm for precise alignment of speed and cadence sensors • Includes Bontrager wheel magnet and crank cadence band • Includes silicone mounting strap to fit most chainstays and CR2032 battery • Visit www.thisisant.com/directory/ for compatible ANT+ devices • Visit www.bluetooth.com/pages/bluetooth-smart-devices.aspx for compatible Bluetooth devices

**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

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

The right parts for the right bike.

Features
- Compatible with Carbon and Aluminum
- Refer to Service Manual for assembly instructions and service

Specific for Bosch Smart Systems.

Features
- 970mm cable length
- Mounting hardware not included

Original replacement battery cover for your Powerfly.

Features
- Refer to the Service Manual for assembly & service instructions
- Hardware sold separately

Use a smaller battery in your 750Wh or 625Wh RIB battery slot.

Features
- For use with Bosch Smart System batteries only
- Used in 750Wh battery slots with 625Wh batteries
- Used in 625Wh battery slots with 500Wh batteries
- Not for use in 750Wh battery slots with 500Wh batteries
- Hardware is not included
- Refer to Service Manual for assembly instructions and service