Skip to main content

FREE Shipping Now Available on Orders $50+ (excluding oversized items)

Why shop at Mad Dog Cycles? Learn more about our promise here!

Filter By:

  • Show More Brands

  • Show Fewer Brands
  • Show More Sizes
  • Show Fewer Sizes
  • Show More Model Years
  • Show Fewer Model Years

Parts & Accessories

$39.99
Stay ahead of the pack with this extended out-front bike mount that lets you take full advantage of your Edge without compromising your ride. This mount with extended arm allows you to stay in a comfortable heads-up position for easier monitoring and improved safety.
$19.99
Protect your Edge 1030 with this form-fitting, removable silicone case.
$49.99
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
$59.99
At 32 Grams the Race Mount is 33% lighter than the “standard” Wahoo Mount. - CNC Machined 6061-T6 Aluminum Platform, Injection Molded Copolymer Interface - Compatibility: Wahoo Bolt, Wahoo Mini - Fits Handlebars: 31.8MM - NOT GoPro Compatible - Anodized Color: Black - 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.
$5.00
Replacement magnet for MSW Miniac Double Speed & Cadence computers. Includes water-resistant cadence magnet and four plastic zip ties for mounting to pedal crank arm.
$3.99
Easily secure your GPS cycling computer to your favorite bike. Includes: - Two sets of O-rings (two diameters) - A backup O-ring in each size
$18.79
Enjoy easy viewing with the Butler Out Front handlebar mount! Out Front Mount for following models: BC 1909 STS BC 2209 STS ROX 5.0 ROX 6.0 ROX 8 ROX 8.1 ROX 9 ROX 9.1 *Note: not for use with ROX 10.0
$13.99
Wire harness and hardware to measure computer data based on the front wheel. - Fits most bars bars (25.0 to 31.8mm), 86cm wire, wheel magnet (fits up to 4mm bladed spokes) and zip ties - Compatible with: Protege 5.0, 8.0 and 9.0
$59.99
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.
$16.99
Mounting for Shimano Di2
$7.49
The Under Stem Mount allows riders to secure a Shimano Di2 Junction Box to their bike quickly and easily without the need for zip ties, duct tape, or other unreliable attachments. - Lightweight alloy headset spacer with nylon body (9g) - Compatible only with Shimano Di2 Junction Box - 95mm length, 44mm width, 6mm height - 6 Degree angle
$59.99
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
$22.99 $49.99 54% Off
Connect your PC to CycleOps VirtualTraining.
$366.50
Versatile and clever The Nyon is the perfect companion for embarking on your fully connected eBike experience. Nyon connects to your smartphone with the eBike Connect app and exchanges data about routes and activities. The color display serves as an intelligent guide when you are exploring new places and as your personal trainer by providing you with fitness data. The touch screen makes the all-in-one computer both intuitive and easy to use and is operated using the separate control unit during your ride. Whether you're using your eBike for long rides or short everyday trips, the robust, easy-to-read display ensures that you are ready for all requirements and weather conditions. The Nyon computer – for a smarter, more intuitive and connected generation. This is what Connected Biking feels like. Simple operation A convenient option: Nyon is intuitive to use thanks to the touch screen function and can be operated using the separate control unit during your ride. Award-winning design Impressive both inside and out: The 3.2-inch high-resolution color display combines smart functions with an elegant design that has won a Red Dot Design Award. Easy to read A clear view in any light: The display brightness and backlight automatically adapt to the ambient light. A special coating reduces glare and finger marks. You can choose between a dark and a bright display with maximum contrast. Individual screens Focus on the essential: You can customize the user interface of the display to suit your specific requirements. This gives you a clear view of the information that you need at all times. Always ready for action Whatever the weather: The touch screen of the robust display remains fully functional even when exposed to rain or dust and can be operated while wearing bike gloves. Savings Screen If you want to find out how much you could save by choosing to use your eBike instead of a car, check out the info on the new Savings Screen. This is activated in the screen management settings. You can also see a comparison of the current and previous weeks, or choose a different currency in the settings. Smart connectivity functions Perfectly connected: Nyon is part of an intelligently connected system and opens the door to the connected eBike World of Bosch thanks to the eBike Connect smartphone app and an online portal. Data synchronization Constant communication: As soon as Nyon connects to your smartphone or Wi-Fi, the computer connects to your eBike Connect account and automatically synchronizes the riding data. Choose your ideal position Optimum position: To ensure the best possible readability, the display mount has two installation positions. The center mounting position above the handlebar is designed to meet the needs of eMTB riders, while tour riders can place the mount further forward. One device, several users One for all: You can share your Nyon with friends or family – everyone can then synchronize their riding data with their own account. Software updates Always up-to-date: Software updates or new maps can be conveniently downloaded and installed over the air.
$188.00
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
$5.36 $5.95 10% Off
The H-34 Flex-Tight Bracket is an OEM handlebar bracket so you can attach Cateye accessories. It fits all handlebars up to 32mm in diameter.
$74.99
Cane Creek is proud to introduce an ultra-premium computer mount that is intuitive and easy to use. The Cane Creek Computer Mount is incredibly modular with 4 mounting orientations, several angle adjustments and compatibility to run an accessory mount. Every computer mount comes with a Garmin and Wahoo adapter and ability to run an accessory mount. The accessory mount is sold separately and has compatibility to run lights or a camera. Cane Creek's Computer Mount is made with 6061CNC Aluminum and Stainless Steel Black bolts.
$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
$7.99
Getting the correctly sized magnets means you're worrying about where the next coffee stop is, not if your computer is recording the ride. Key features: - Universal crank magnets work with any cadence sensor - Get the perfectly sized magnet, sized right for your bike and sensor - 20mm cadence magnet improves signal for wider gaps between crank and sensor
$74.98
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
$69.99
All you need for cycling data, all together at once! The Wahoo RPM Speed and Cadence sensors are both a sleek, wireless, and magnet-less solution. Each mounts easily to your bike and the Bluetooth Smart and ANT+ duel band technology allows you to connect and display data on both smartphone and bike computers. - Dimensions (LxWxH): 1.25" x.75" x 1" - Weight: 7 grams (without mount) - Battery: CR2032 - Battery Life: Up to 12 months - Water Rating: IPX7 (waterproof up to 5 ft) - Wireless Signal Strength: Up to 10 feet - Note: Speed Sensor is NOT compatible with spin bikes
$3.99
5 Pack Computer Battery Model: Bontrager/Trek Computers 5 Pack Color : Silver
$9.99 $34.99 71% 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.
$19.98
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 Trip Computer Mount for a clean, flush look that securely holds your Bontrager Trip computer in a perfect position to see on the go. Key features: - Blendr is an elegant, integrated accessory mounting solution - Provides clean and secure mount for Bontrager Insta-Mount or Trip Computer - Works with any Blendr-compatible stem and the accompanying base - For use with Blendr bases (Pro, XXX, XXX bar/stem, and select Elite bases)
$11.99
Hand tight adjustability and 4mm hex wrench lockable. - CNC Machined 6061-T6 Aluminum Platform, Injection Molded Copolymer Interface - Compatibility: Combo Mounts, Light&Camera Mounts. - Aluminum knurled thumbscrew - Stainless Steel bolt with 4MM hex feature - Weight: 10g - Anodized Color: Black - Made in Boise, Idaho, USA - Lifetime Guarantee against material or manufacturer defects. Damages due to abuse or crashing excluded
$249.95
The Ultimate Sports Communicator. Experience the Outdoors Like Never Before. WIRELESS HANDS-FREE INTERCOM Communicate with your friends and family wherever you are, without touching a button. Our always-on intercom needs no cellular or internet signal. SOUND BY JBL Powerful 40mm high-definition speakers engineered to perfection by JBL experts offer the perfect sound experience. IP67 WATERPROOF No matter what you throw at it, your waterproof Packtalk Outdoor will take the beating and keep you connected. Rain, snow, sun, mud or dust. A COMMUNICATOR FOR EVERY SEASON Use your Packtalk all year-round, zooming down a snowy slope, navigating a downhill dirt track, paddling through a raging river or jumping out of a plane. DYNAMIC MESH COMMUNICATION Dynamic Mesh Communication (DMC™) is a networking technology that creates living connections, actively seeking to connect to other units. DMC will adapt based on the behavior of units in a network to ensure communication is maintained in the best way possible. - No cellular signal or Wi-Fi is required - More users mean a larger range for the whole group - Each user can send and receive signals to overcome obstacles - Up to 1km/0.6mi range between two users – up to 3km/5mi for the whole group SPECS General PN: SP000001 Compatibility: Universal Operating Temperature -30°C to 55°C / -22° F to 131 ° F Waterproof IP67 Software Updates Over-the-air updates – USB cable updates Device settings Cardo Connect App Dimensions Main unit Height: 44mm – Length: 88mm Depth: 25mm – Weight: 49.5g Speakers Diameter: 40mm – Depth: 10mm Connectivity Bluetooth 5.2 Intercom 2nd gen DMC Intercom Group size: up to 15 users User to User Range: up to 1.0km / 0.6mi Overall range: up to 5k/3mi User interface Natural Voice Operation Multilingual status announcements Audio Sound by JBL 40mm speakers JBL Audio profiles Battery Talk time: 10 hours Charging Time: up to 3 hours Fast charging: 2 hours talk time after 20 min charge Standby Time: 10 days Certificates CE IC/FCC SRRC UKCA
$19.99
Silicone Case for Edge 540/840
$49.99
Use these cables to connect your power mount to a compatible bike system. Choose the appropriate cable by selecting your version: - Bosch eBike system Generation 2 - SHIMANO STEPS ebike systems with light connection terminals, and - Power sources that use an USB-A port
$129.00
- Shift buttons mounted to the end of a bar plug - Included wire connects to Blip Box - Fits bars with 19 - 20.5mm inside diameter
$19.99
Blendr add-on to Kovee Pro 35 stems Clean up your Bontrager Kovee Pro 35 stem cockpit with Blendr Pro bases. - Blendr works with this simple formula: Stem + Base + Mount. Add accessory - Bases for use with the Kovee Pro 35mm stem - Add any accessory mount (sold separately) for an elegant, integrated look