Cyclo-Computers

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

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

Power Spoke magnet for all Sigma computers. Fits round and bladed spokes.

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