STS & ROX Wireless Cadence Sensor for Bike Computers Merits S637 CHARGING LED (Red):

CHARGING LED (Red):

on the battery cover

Drive Medical: 1026641

Training time and percentage of time within the designated training zone

it may be trimmed to fit a wide range of brands and models

STS & ROX Wireless Cadence Sensor for Bike Computers Merits S637 CHARGING LED (Red):If you need to know your cadence, you need a cadence sensor. The Sigma STS & ROX wireless cadence sensor for bike computers is the transmitter for most Sigma STS and ROX model bike computers, and is a perfect replacement for a damaged or missing sensor. Note: This cadence sensor is not compatible with the ROX 10. 0. Monster Scooter Parts is your best source for top quality bike parts and accessories.