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Parts & Accessories
$3.99 - $6.50
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
$8.99
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
$8.99
The adapter puck is required for mounting Wahoo 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 Wahoo Adapter Puck for secure mounting of your Wahoo head unit.
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
$9.99
$39.99
75% Off
Bontrager's SpeedTrap Digital Speed Sensor conveniently plugs into any Bontrager fork with SpeedTrap technology for the ultimate in convenience. And, it wirelessly transmits speed data to your ANT+ cycling computer.
$19.99
Where your gaze goes, your light follows
Add the safety of visibility to your helmet and light up the trail with help from the Bontrager Blaze helmet mount. Compatible with all Ion headlights.
- Quickly mount front light and camera accessories on the front of your Bontrager Blaze WaveCel helmet
- Tested with an accelerometer for intended breakaway point if involved in a crash
$19.99
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
$19.99
- Replacement bike mounts and other accessories for your Garmin products
$19.99
Allows use of two Blendr mounts on a Trek Madone SLR
Blendr add-on to the Madone SLR bar/stem
Mount light, computer, GPS and/or cameras to your top-of-the-line aero road bike
- Blendr works with this simple formula: Stem + Base + Mount. Add accessory.
- Bases for use with the Trek Madone SLR Aero Integrated handlebar
- Add any accessory mount (sold separately) for an elegant, integrated look
- Does not include mounting hardware
$19.99
Allows use of one Blendr mount on a Trek Madone SLR
Blendr add-on to the Madone SLR bar/stem
Mount light, computer, GPS and/or cameras to your top-of-the-line aero road bike
- Blendr works with this simple formula: Stem + Base + Mount. Add accessory.
- Bases for use with the Trek Madone SLR Aero Integrated handlebar
- Add any accessory mount (sold separately) for an elegant, integrated look
$34.99
Pro Blendr is the ultimate computer integration system for clean and easy installation, made from durable alloy.
- Start with a Blendr stem, add the appropriate base, and finish with Pro Blendr Alloy Computer Mount for secure mounting of computers. Don't forget your Garmin or Wahoo Adapter Puck! Those are sold separately so you can build the ultimate Blendr system that's right for you.
- 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
$39.99
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.
$47.99
A lightweight and highly adjustable mount for positioning any Garmin computer on aero bars. The pivoting two piece design offers multiple mounting positions based on aero bars, hydration systems and rider preference.
- For 22.2mm diameter aero bar extensions
- Compatible with all Garmin EDGE computers
- Highly adjustable for multitude of mounting positions
- Replaceable Garmin Insert with K-EDGE “Definitive Click” locking system
- GoPro Interface Compatible
- Weight: 29g
- Anodized Colors: Black, Red, Blue
- Made in Boise, Idaho, USA
- Lifetime Guarantee against material or manufacture defects. Damages due to abuse or crashing excluded
$49.99
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.
$49.99
Mounts a tablet to the handlebars of a bike in a trainer or a spin bike.
- For indoor use only (spin bikes/trainers/rollers)
- Universal clamp attaches to all round bars up to 1.5" diameter
- Viewing perspective can be set for preference, landscape or portrait
- Includes touch screen friendly splash-proof bag
- Instant removal and installation of device
- Hold tablets 9-10"
$49.99
Monitor your speed as you ride with this easy-to-install wireless sensor. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.
The speed sensor 2 attaches to the hub of either wheel. You can set up wheel size in our Garmin Connect online community or self-calibrate with an Edge cycling computer or compatible Garmin device. Once set up, you’ll get accurate speed and distance at all times — even without a head unit.
ANT+ connectivity and BLUETOOTH Low Energy technology let you sync to Garmin Connect and other training apps, compatible devices and fitness equipment for better data when you ride indoors and outdoors.
$49.99
Monitor your pedaling cadence as you ride with this easy-to-install wireless sensor. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.
Simply attach the sensor and ride. With no magnets or other exposed parts to line up, this sensor is easy to install, maintain and move between bikes.
$54.99
Superlight, machined aluminum, race mount for the ultimate Tour de France level performance. At 32 Grams the Race Mount is 33% lighter than the “standard” Garmin Mount.
- CNC Machined 6061-T6 Aluminum Platform, Injection Molded Copolymer Interface
- Compatibility: Garmin 820, 520, 510, 500, 25, 20
- Fits Handlebars: 31.8MM
- NOT GoPro Compatible
- Anodized Color: Black, Red, Blue, Red/Blue
- Made in Boise, Idaho, USA
- Lifetime Guarantee against material or manufacturer defects. Damages due to abuse or crashing excluded.
* Attention: ASSEMBLY BOLTS NOT MEANT TO BE REMOVED OR TAMPERED WITH AT ANY TIME.
The torx head bolts are installed using a permanent thread-lock compound. Doing so will void all warranties.
Please contact K-EDGE warranty manager Info@K-EDGE.com for questions or concerns. We highly suggest you follow the recommendations in the Sigma instructions that recommend use of the provided tether leash.
$69.99
Monitor your speed and cadence as you ride with these easy-to-install wireless sensors. With no magnets or other exposed parts to line up, these sensors are easy to install, maintain and move between bikes.
The speed sensor 2 attaches to the hub of either wheel and self-calibrates with your Edge cycling computer or compatible Garmin device to give you accurate speed and distance at all times — even without a head unit.
The cadence sensor 2 fastens to any size crank arm and measures pedal strokes per minute so you can get the most out of your training.
Send live speed, distance and cadence data to compatible training apps or displays by using ANT+ connectivity and BLUETOOTH Low Energy technology.
With both of these sensors on your bike, you can work to improve your personal best or see where you stand against the pros.
$74.99
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
$74.99
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
$79.99
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.
$99.99 - $129.99
$129.99
Up to 23% Off
Our top-selling wireless sport headphones formerly known as Aeropex now come with new packaging, a quick-charge feature, and a new name. OpenRun are our lightest headphones to date and are engineered with outstanding sound, a long-lasting battery, and Quick Charge to keep you aware and motivated while you power through any workout.
- 8th Generation Bone Conduction Technology
- IP67 Waterproof (Not for swimming)
- Lightweight + Comfortable
- 8-Hour Battery Life + Quick Charge
$139.99
$179.99
22% Off
Introducing OpenRun Pro, our most premium headphones ever. They’re ready to redefine everything you knew about open-ear listening with improved tech. Our new premium sport headphones feature the latest 9th generation bone conduction technology with two added bass enhancers and our signature situational awareness and comfortable open-ear fit.
- Open-Ear Comfort
- Premium Sound Quality with Enhanced Bass
- 9th Generation Bone Conduction Technology (TurboPitch Technology)
- 10 Hours of Music & Calls + Quick Charge
- IP55 Water-Resistant
$199.99
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
$199.99
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
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