Electronics

Topeak's PanoBike Bluetooth Smart Heart Rate Monitor turns your smartphone, tablet, or any Bluetooth Smart Ready device into your personal trainer. With the free PanoBike app installed on your device, this water-resistant soft-sided chest strap will transmit over 1,800 hours of operation at a range up to 30 feet.

Topeak's PanoBike Speed & Cadence Sensor turns your smartphone, tablet, or any Bluetooth Smart Ready device into your personal trainer. Install the free PanoBike app, or any other Bluetooth-enabled speed/cadence app, and this water-resistant easy-to-mount sensor will get over 1800 hours of operation at a range up to 30 feet, telling you exactly how fast you're going and how quickly you're pedaling.

Enjoy easy viewing on your Sigma Rox 10.0 GPS Unit with this out-front handlebar mount. *Note: Out Front Mount for SIGMA ROX 10.0 GPS ONLY. Will fit 31.8 mm diameter bars only.

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

Sigma Sport's Cadence Power Magnet is the correct replacement magnet for any Sigma Sport computer featuring cadence (computers sold separately). It attaches to your crankarm with zip ties and double-sided tape (both included).

Shimano Di2 External Battery Mounts - 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

Shimano Di2 External 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

Significantly smaller, the SRAM eTap AXS BlipBox is now easier to integrate — mounting inside a stem faceplate cap, feed box, or frame. It's also AXS enabled, for easy personalization. Simple, intuitive, aero. - Replaces standard drop bar shift levers - Simple and intuitive eTap shift logic - AXS enabled for easy personalization - Limitless aero configurations - Two ports per side for Blips - Fits the included optional stem mount - Compatible with existing eTap Blips and Clics - Mounts inside stem faceplate cap, feed box or frame

Pioneer's power meters are simply some of the best power-monitoring systems on the planet, and the SGX-CA500 computer is your chance to get the most out of your power meter and have a world-class data display. Pioneer has created the first, and only, power meter that measures power output and pedaling stroke efficiency for each individual leg, and the SGX-CA500 lets you analyze this data in real time. A few quick swipes give you access to your state-of-the-art ride data, and intuitive controls allow for scrolling, zooming, and screen customization to let you see what you want, when you want it. The 1.87-inch LCD screen makes it incredibly easy to see critical data, even if you are on the rivet up the final climb. As an added bonus, users of Shimano’s Di2 electronic road bicycle shifting system can now utilize the SGX-CA500 to track gearing and system status as they ride. - Delivers high functionality for practical situations, in a small, lightweight (75 g) package - Visualizes pedaling state and efficiency through graphical displays of force vectors (when used together with a pedaling monitor sensor) - Enables new modes of training focused on pedaling skill development - Displays over 100 data types, such as power, cadence, speed, and incline, all in real time - Easy, intuitive touch-panel operation, even when wearing full-finger gloves - Upload data to Cyclo-Sphere, our online data analysis service, via USB or Wi-Fi connection (Wi-Fi Internet connection required) - Weight: About 75 g - Dimensions: 58 mm (W) x 58 mm (H) x 19 mm (D) (without projection parts) - Connector: microUSB - Water-resistance: This device has a water-resistance rating of IPX-6/IPX-7 - Communications system (sensors): ANT+ - Communications method (network): Wi-Fi - Positioning system (latitude/longitude): GPS - Positioning system (altitude): Atmospheric pressure sensor - Display: 160x128 pixel, horizontal 1.87-inch outdoor type, Black and white touch panel (resistive touch display) - Built-in flash memory: 4 GB (user available capacity 3 GB) - Guaranteed operational temperature range: -10 to 50°C - Charging temperature: 0 to 45°C - Power supply voltage: DC 5V - Battery type: Lithium-ion battery - Battery operating time: Approximately 12 hours (the battery operating time may decrease depending on the operating conditions) - Charging time: Approximately 4 hours (Power off or normal charging) - Accessories: Bracket, USB cable, Strap, Quick Start Guide, Warranty card, Important Information for the User - Specifications and design are subject to change without notice.

Pioneer's Shimano Dura Ace 9000 Power Meter is a revolutionary power meter that attaches stealthily to the left crankarm. The Dura Ace 9000 left crank arm meter allows every rider power-based (also called watt-based) training performance, allowing you to fine-tune your pedaling to find race-winning form without breaking the bank. With advanced technology accurate to +/- 2%, ANT+ transmitting, active temperature compensation, and a mere 22 grams of weight, the Pioneer power meter is perfect for any cyclist. Additionally, installation is fast, simple, and clean with zero wires, magnets, or zip ties. If you find yourself addicted to the data and crave more, upgrade kits that retroactively add drive-side power are available (sold separately).

Keep your handlebar organized and your devices secure with the SGS-400-OS (27.2/31.8/35.0mm) from Minoura. - Holds up to 2 accessories (light, computer, mp3, bottle cage holder, etc.) - Lightweight and rustproof alloy construction - New LW-Clamp reduces weight 25 grams compared to previous models - Aluminum bar is position adjustable and uses Hex Bolt to install and remove - 27mm-35mm diameter

Keep your handlebar organized and your devices secure with the SGS-400-STD (22.2/25.4/28.6mm) from Minoura. - Holds up to 2 accessories (light, computer, mp3, bottle cage holder, etc.) - Lightweight and rustproof alloy construction - New LW-Clamp reduces weight 25 grams compared to previous models - Aluminum bar is position adjustable and uses Hex Bolt to install and remove - 22mm-29mm diameter

Want to see how many miles you commute or track your calories on a fitness ride? Liv's Catena 9W Wireless Computer does all of this along with 7 other functions including speed, ride time, and alarms. An LED backlight makes the information easy to read and a replaceable silicone color case keeps the Catena protected for the long haul.

KMC's digital ChainChecker is the most accurate tool for checking your chain’s elongation. - Measures up to 2.5mm elongation - Fits all chains including 11 speed - Handy electronic device - Stainless hardened metal body

GNT ANT+/BLE 2-in-1 Speed & Cadence Sensor Black Product description - ANT+ and Bluetooth low energy compatible speed and cadence sensor - Attaches with included zip-ties to the frame - Includes mounts, sensor, and magnets

GNT Alloy GPS Mount for TT Bar Black Product description - Time Trial GPS mount - Alloy construction - Giant & Garmin computer trays included - 22.2mm / 24mm handlebar compatibility

GNT Alloy Out-Front GPS & GoPro Mount for Round Bar Black - Team edition GPS extension mount - Alloy construction - Giant & Garmin GPS compatible using supplied trays - GoPro accessory compatible - 31.8mm round handlebar clamp

GNT Axact 13W Mounting Kit Product description - Includes sensors, mounting bracket, shims, magnet, and zip ties

GNT Axact 13W Replacement Mounting Bracket Product description - Includes mounting bracket and zip ties

GNT Axact 14W Wireless Speed Sensor Product description - Replacement wireless speed sensor for Axact 14W computers

GNT Axact 6 Wired Mount Kit w/ Speed Sensor & Magnet Product description - Kit includes mount, sensor and magnet

GNT Axact 9/11 Mounting Kit Product description - Includes sensors, mounting bracket, shims, magnet, and zip ties

GNT Axact 9/11 Replacement Mounting Bracket Product description - Includes mounting bracket and zip ties

GNT Axact 9W/13W Wireless Mount Kit w/ Speed Sensor & Magnet Product description - Kit includes mount, sensor and magnet

GNT Axact Cadence Magnet Product description - Wheel magnet compatible with round and bladed spokes - Cadence magnet includes zip ties

GNT Axact Pro Mounting Kit Product description - Includes sensors, mounting bracket, shims, magnet, and zip ties

GNT Axact Pro+ Mounting Kit Product description - Includes sensors, mounting bracket, shims, magnet, and zip ties

GNT Axact Pro+/Pro Mounting Bracket Product description - Includes mounting bracket and zip ties

GNT Axact Wireless Speed Transmitter Product description - Includes wireless sensor and zip ties

GNT CR2025 Lithium Computer Battery - Sold individually