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.

The BC 16.16 STS CAD comes with an STS speed transmitter and an STS cadence transmitter. It provides crucial information for avid cyclists and commuters! The new ETA function continuously calculates how much time and distance remains until you reach your destination. Plus, every mile ridden is converted into fuel savings! Using NFC technology and the free SIGMA LINK app, the BC 16.16 STS CAD can communicate with Android smartphones to program and download ride data. Bike functions: - Speed - Average speed - Comparison of current/avg. speed - Maximum speed - Trip distance - Total distance (Bike 1 & Bike 2) - Ride time - Total trip time (Bike 1 & Bike 2) - Clock (12/24h) - ETA display (time/timer/distance) - Current temperature - Daily fuel savings - Total fuel savings Cadence functions (w/ STS cadence option): - Current cadence - Average cadence Features: - NFC communication w/Android smartphone via SIGMA link - Full test display with 7 available languages - Predefined tire sizes - 2 adjustable wheel sizes - Ride time up to 100 h - Automatic start/stop w/ motion sensor - Back-up function via memory chip - Battery status display (receiver & transmitter) - Workout statistics for 12 months - Automatic bike recognition - Backlight - Watertight in accordance with IPX8 - Tool-free mounting

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

The cadence magnet pedal insert is designed for tight installation situations. The principle is simple, yet space-saving: the power magnet attaches to any steel pedal spindle by magnetic force alone. From there, it triggers the cadence transmitter with each crank revolution.

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).

Sigma Sport's Pure 1 wired computer is a classic among bicycle computers. In one easy-to-read display, it answers the three most important cycling questions: How fast? How far? How long? And it does so in a very compact and attractive design. Bike Functions: - Current Speed - Trip Distance - Trip Time - Total Distance - Total Time General Functions: - Auto wake - Automatic start/stop - Tool-free mounting - UFSB 2016- compatible - Watertight

Sigma's replacement spoke magnet fits standard spokes and works with Sigma speed sensors.

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 BT-R1A External Di2 Battery - 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 - Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems - Battery weight: 71 grams

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

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

Profile Design's UCM XL Universal Computer Mount provides a convenient 60mm-long place to mount your computer on your aero bars. It installs without tools, stays put and can be positioned as needed for easily viewing and controlling your computer.

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

Keep your handlebar organized and your devices secure with the SWG-400 (28/35mm) SwingGrip from Minoura. - Holds up to 2 accessories (light, computer, mp3, bottle cage holder, etc.) - On Stem installation only - Lightweight and rustproof alloy construction - Angle adjustable arm design - Aluminum bar is position adjustable and uses Hex Bolt to install and remove

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

-Giant's ANT+/Bluetooth compatible heart rate sensor

Giant's Axact 6 is a simple way to get the most out of your rides. It tracks six essential functions, including distance and speed on a large, easy-to-read display. The wired sensor and handlebar mount attach easily to your bike, and a simple low battery indicator lets you know when its time to open the easy coin-release cap to change it.

Giant's Axact 9W is a great way to get the most out of your rides. This wireless computer keeps you bike clutter-free and tracks nine essential functions, including distance and speed, with its large, easy-to-read display. The Axact also features a low battery indicator so you know when its time to open the easy coin-release cap and replace the battery.

- Large 2.1-Inch Screen - Separate Clock Display - Single Mode/Setup Key - Smart Light System; Backlight Responds To Light Conditions - Auto Start/Sleep - Functions: - Current Speed - Average Speed - Max Speed - Trip Distance - Odometer - Trip Ride Time - Pace - 12/24Hr Clock - Calorie Consumption

• Handlebar computer/GPS mount designed for use with Contact SLR Aero integrated handlebars (sold separately) • Mounts to underside of handlebars • Integrated Di2 front junction box mount for clean cable routing

Giant's Continuum 7 is a simple way to get the most out of your rides. It tracks seven essential functions, including distance and speed, has a large, easy-to-read display, and uses a wired sensor and handlebar mount that attaches easily to your bike.

Features - Mounts underneath Contact SLR Aero Integrated handlebars - Adjustable length - Alloy construction - Hardware included

Combine with Giant's Computer / GoPro Combo Mount and fit your Garmin and GoPro to any Giant round or SLR Aero handlebar.