Sigma's universal computer mount features a wired speed sensor, so you can use your Sigma cyclo-computer on a second bike. This kit comes with O-rings and a spoke magnet.

Protege wire harness and hardware with extra length for use with tandem and recumbent bicycles - Contains bracket with 160cm wire, wheel magnet and zip ties - Brackets fits Standard (25.4-26.0mm) bars - Compatible with: Protegé 5.0, 8.0 and 9.0 - Ideal for long wheelbase recumbent and computer installs on a tandem’s rear bars

Wire harness and hardware to measure computer data based on the rear wheel - Contains bracket with 130cm wire, wheel magnet (fits up to 4mm bladed spokes) and zip ties - Bracket fits most bars (25.4 to 31.8mm) - Compatible with: Protegé 5.0, 8.0 and 9.0 - Ideal for rear wheel indoor bicycle trainers

CatEye's Out Front Bracket frees up your handlebars and positions your favorite CatEye computer just in front of your stem for optimal viewing and accessibility.

SRAM's QuickView Computer mount delivers an uncomplicated computer mount that‘s easy to install, lightweight, and above all, vibration and slip-free. At only 20 grams, with a single torx T25 bolt, flexible mounting clasp, and a 1/4-twist mount, it installs quickly, simply and securely on any 31.8mm handlebar. SRAM's QuickView Computer Mount also features a center-offset design so the computer (sold separately) can be placed directly in front of the stem, or flip it to position the computer behind the bar for MTB or cyclocross use. It works great with computers that use a 1/4-turn twist lock interface.

SRAM's QuickView Computer mount delivers an uncomplicated computer mount that‘s easy to install, lightweight, and above all, vibration and slip-free. At only 20 grams, with a single torx T25 bolt, flexible mounting clasp, and a 1/4-twist mount, it installs quickly, simply and securely on any 31.8mm handlebar. It works great with computers that use a 1/4-turn twist lock interface.

Zipp delivers an uncomplicated computer mount for aerobar extensions that’s easy to install, lightweight, and vibration and slip free. The 22.3mm industry standard mount installs simply and securely on aero extensions. The Zipp QuickView TT Computer Mount is aerodynamically shaped for left-side installation, but also can be installed on the right bar extension. It comes with a single Torx T25 bolt, flexible mounting clamp, and a quarter-twist mount.

- Digital Transmitter System (DTS) wireless transmitter replacements for post-2005 Sigma wireless head units - There is no wired-to-wireless conversion for 2006+ wired models

The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm

The Velo 7 is CatEye’s entry level wired 7 function bike computer made simple with pre-programmed tire sizes.

The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm

Use this Sigma docking station to easily download ride data to your computer. The docking station is compatible with Sigma's Rox models 8.0, 9.0, 8.1, and 9.1.

The CatEye Enduro features a large, easy to read screen combined with a heavy-duty wiring kit for extra durability. - Heavy-duty wired computer - Auto start/stop - Pace arrow - Simple tire size - Programmable odometer - Zip tie mount compatible with FlexTight universal bracket

The BC 9.16 is the ideal computer to improve fitness. In addition to displaying maximum speed, the BC 9.16 estimates the number of calories burned based on speed and duration. Bike Functions: - Speed (kph/mph) - Average speed - Comparison of current/avg. speed - Maximum speed - Trip distance - Total distance - Ride time - Total ride time - Clock (12/24h) - Calories - Total Calories Features: - Full text display with 7 languages - Predefined tire sizes - Ride time up to 100 h - Automatic start/stop (ATS model for 2 hrs. in standby mode) - Watertight in accordance with IPX8 - Tool-free mounting

Origin-8's Data Station 13W Wireless is a fine computer with all the basic, and some advanced functions to make every ride more fun, like a memory that lets you save a ride's stats to view them later. With no wires, this computer is easier to install and looks clean on your bike. It boasts a large easy-to-read LCD screen and displays all your key ride data, like speed, average speed, speed comparison (to tell if you're traveling slower or faster than your average speed), trip distance, clock and riding time. There's even a handy scan mode that lets you set it to cycle through distance, maximum speed, average speed and time so you can track all four simultaneously. The Data Station runs on one LR43 battery (included) and features auto on/off for low power consumption.

The Protege Series are great for training, touring, or keeping track of car-free miles. - Four-line, easy-to-read macromonitor LCD display provides up to five pieces of data at a glance - Heavy-duty, oversized wire harness and ultrasonically welded case ensure a durable, weatherproof unit - Mode changing is easy: push the computer forward in the spring loaded bracket- the computer is the button - Auto start/stop and LCD shut off - Fits 25.0-31.8mm handlebars - Weight: 57 grams with bracket and sensor - Case size: 40mm x 47mm - Height (w/ bracket): 27 mm

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

The Cateye Velo Wireless Computer packs a punch with a programmable odometer and menu screen. It installs easily on almost any bike, including 27.5 and 29’ers. - Computer functions: Current/ average/ maximum speed, trip distance, total distance, elapsed time, clock, calorie consumption - Analog wireless computer - Pace arrow - Simple tire size - Auto start / stop - Programmable odometer - Menu screen to change setting - Includes zip tie bracket

The Cateye Velo Wireless Computer packs a punch with a programmable odometer and menu screen. It installs easily on almost any bike, including 27.5 and 29’ers. - Computer functions: Current/ average/ maximum speed, trip distance, total distance, elapsed time, clock, calorie consumption - Analog wireless computer - Pace arrow - Simple tire size - Auto start / stop - Programmable odometer - Menu screen to change setting - Includes zip tie bracket - Battery: 1, CR2032 Lithium Metal, 3(V), 0.735(Wh), 0.3g, Included

The Cateye Velo Wireless Stealth Computer packs a punch with a programmable odometer, menu screen, and inverted LCD display. Installs easily on almost any bike, including 27.5 and 29’ers. - Computer functions: Current/ average/ maximum speed, trip distance, total distance, elapsed time, clock, calorie consumption - Inverted LCD display - Analog wireless computer - Pace arrow - Simple tire size - Auto start / stop - Programmable odometer - Menu screen to change setting

The Cateye Velo Wireless+ packs a punch with a programmable odometer, menu screen and backlight with night mode. It installs easily on almost any bike, including 27.5 and 29'ers. - Computer functions: current/ average/ maximum speed, trip distance, total distance, elapsed time, clock, calorie consumption - Analog wireless computer - Pace arrow - Simple tire size - Auto start / stop - Programmable odometer - Menu screen to change setting - Battery indicator

The CycleOps ANT+ Speed or Cadence Sensor accurately tracks your speed and cadence and is used along with a power meter or with an ANT+-compatible cycling computer (power meters and ANT+ computers sold separately). This unit easily attaches on the frame next to your left crankarm and rear wheel to monitor and display your cadence or speed on your cycling computer of choice.

The Sigma Pure 1 is a purist amongst all 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. - Incredibly legible - the Pure 1 has a very large 29 x 45mm display that facilitates reading for everyone; especially those with less than perfect vision - Switch between the trip view and the totals view with just one touch of the button - This sleek design sets new standards when it comes to blending in with the bike

The Padrone features a large bike computer display, making it easy to see in all conditions. - The Padrone features the following measurements: Current/ average/ maximum speed, total distance, trip distance, elapsed time, clock, and stopwatch - Its large display size makes it easy to read while riding - Easy to set up, read and use - ClickTec button interface for easy use - Analog wireless computer - Programmable odometer - Auto start/stop - Menu screen to change setting

From the downhill mountain biker to the farsighted cyclists, the Padrone is ideal for anyone who wants to enjoy a squint-free ride and a fast, simple set-up. - Analog wireless - Large display and sleek design - Auto start/stop - Menu screen to change setting - ClickTec button interface - Programmable odometer - Battery indicator - FlexTight universal bracket

The Padrone features a large bike computer display, making it easy to see in all conditions. - The Padrone features the following measurements: Current/ average/ maximum speed, total distance, trip distance, elapsed time, clock, and stopwatch - Its large display size makes it easy to read while riding - Easy to set up, read and use - ClickTec button interface for easy use - Analog wireless computer - Programmable odometer - Auto start/stop - Menu screen to change setting - Battery indicator - Includes FlexTight universal mounting bracket - CatEye regular analog speed sensor (SPD-01) - Works with the slim speed sensor (SPD-02) used for Strada Wireless Slim as well - Battery type: Main unit = CR2032 x 1, SPD sensor = CR2032 x 1

The Padrone features a large bike computer display, making it easy to see in all conditions. - The Padrone features the following measurements: Current/ average/ maximum speed, total distance, trip distance, elapsed time, clock, and stopwatch - Its large display size makes it easy to read while riding - Easy to set up, read and use - ClickTec button interface for easy use - Analog wireless computer - Programmable odometer - Auto start/stop - Menu screen to change setting - Battery indicator - Includes FlexTight universal mounting bracket - CatEye regular analog speed sensor (SPD-01) - Works with the slim speed sensor (SPD-02) used for Strada Wireless Slim as well - Battery type: Main unit = CR2032 x 1, SPD sensor = CR2032 x 1 - Battery: 1, CR2032 Lithium Metal, 3(V), 0.735(Wh), 0.3g, Included

CatEye's ANT+ Speed/Cadence Sensor works with any ANT+ compatible cyclo-computer, including CatEye's Stealth EVO+, to give you speed and cadence data, so you can improve your cycling and track your rides. Attack each ride and celebrate your successes on the bike!

CatEye's Bluetooth Speed/Cadence Sensor transmits your speed and cadence through your Bluetooth-compatible Smartphone to your handlebar-mounted CatEye Strada Smart cyclo-computer (sold separately). Download the CatEye Cycling app for iPhone/Android and you’ll get all your ride data and save your phone battery. Attack each ride and celebrate your successes on the bike!

The Padrone Plus features a large display with a backlight, making it easy to see in all cycling conditions, day or night. - The Padrone Plus features the following measurements: speed, trip distance, total distance, moving time, clock, and stopwatch - A dual-mode backlight can be programmed to operate as a full-time or part-time LED backlight - In the part-time setting the LED backlight is activated for 5 seconds when the mode button is pressed to enable data to be viewed at a glance - Using the full-time setting, the backlight is activated when motion is detected by the speed sensor and remains on until the rider comes to a stop - Analog Wireless - ClickTec button interface - Includes FlexTight universal mounting bracket - Battery: 1, CR2032 Lithium Metal, 3(V), 0.735(Wh), 0.3g, Included