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Bicycle Computers

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  • Sigma Wire and Sensor Kit Computers

    Sigma Wire and Sensor Kit Computers

    Twist Lock: for all 2003-2005 Topline Twist Lock System computers . Front sensor for bike-2 automatically switches the bike computer for either Road or Mountain bike, saving conversion time or buying a second computer. Rear sensor wire is 1700mm long. Features: Fits all 2003+ wired computers, but not 2006+ wireless computers

  • Sigma Topline Computer

    Sigma Topline Computer

    All Topline computers feature current speed, cumulative odometer, trip distance, trip time, KMH/MPH auto conversion and 12/24 hour clock. All are waterproof and include batteries and a 5-year warranty. Digital Transmission System (DTS) found on wireless models (wired models are not upgradeable to wireless). BC2006L has current and total altitude with current temperature. Choose black [...]

  • Sigma ROX Computer Parts

    Sigma ROX Computer Parts

    ROX replacement parts and accessories.

  • Sigma PC-Series Heart Rate Monitors Computers

    Sigma PC-Series Heart Rate Monitors Computers

    All Sigma heart rate monitors facilitate training in target zones, featuring pulse monitor, 12/24 hour clock, 5-year warranty and are waterproof to 3 meters. PC-15 and PC-9 have a Training Manager which monitors, plans and evaluates all workout data for up to 7 workouts, an Exercise Zone feature which calculates ideal personal training limits and [...]

  • Sigma ROX Computer

    Sigma ROX Computer

    Clear display with zoom for top segments. Details from 7 trips can be saved and stores all total values since start-up divided into cycling; separated by Bike 1 Bike 2 and Bike1+2. 63 functions with the added ability to customize displays between mountian and road settings. ROX 9.0 includes docking station for Sigma Data Center. [...]

  • Sigma Onyx Heart Rate Monitor Computers

    Sigma Onyx Heart Rate Monitor Computers

    Targeted training made easy with digitally coded monitors to ensure training data is recorded accurately and available for detailed analysis. All Onyx models include ECG-precise heart rate tracking, water resistant cases, backlight, tool-free battery compartment. Fit and Pro models include setting based upon maximum heart rate or individual anaerobic threshold (IAT). Fit model also includes [...]

  • Sigma Heart Monitor Chest Strap/Transmitter Computers

    Sigma Heart Monitor Chest Strap/Transmitter Computers

    Replacement chest straps for Sigma heart rate monitors. Coded fits all Onyx models and BC1706/BC2006. Non-coded fits PC-3, 4, 9, 15, Shape, Fit. 60cm maximum chest size. Features: Compatible only with Onyx series HRM’s, use CY7254 for non coded wrist units

  • Sigma DTS Transmitter Replacement Parts Computers

    Sigma DTS Transmitter Replacement Parts Computers

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

  • Sigma Computer Wheel Magnets

    Sigma Computer Wheel Magnets

    Power magnet offers a solution for odd spoke sizes or distances of up to 20mm between the spoke and the sensor.

  • Sigma Computer Batteries

    Sigma Computer Batteries

    Sigma Computer Batteries

  • Sigma Cadence Sensors and Magnets Computers

    Sigma Cadence Sensors and Magnets Computers

    Wired cadence sensor kit converts Sigma BC1600/1100/1200/1400/1606L. Y-outlet cable routing is ideal for all frame and handlebar diameters. Sensor provides information on the current and average cadence. If pedal frequency is not installed on the BC 1606L, the cadence indicator can be hidden .