Standard Spoke Magnet CatEye  Cateye Standard Spoke Magnet Compatible with all CatEye Cycle Computers to measure speed

Power Spoke Magnet Sigma   Spoke magnet for all wired and wireless Sigma computers. Fits round and flat bladed spokes

Cadence Magnet Cateye   The Universal Cadence Magnet is designed to fit most crank arm styles and offers easy installation with included zip-ties. Its adhesive rubber backing ensures secure and accurate placement on crank arms, yielding an accurate cadence measurement. Get maximum performance from...