Shanren Speed Sensor RMZ-241589 ACTIK® CORE comes with the

ACTIK® CORE comes with the CORE rechargeable battery and also works with three standard batteries

Made of stretchy recycled fabric

HI-BACK: MicroFLAD™

Includes:  4 x full size rubber horseshoes (in 2 colors)

As you wear the footwear

Shanren Speed Sensor RMZ-241589 ACTIK® CORE comes with theTake control of your bikes speed and get better training results with the Speed & Cadence sensors. F Easy Mount The Shanren speed and cadence sensor is super quick and easy to install no tools needed. Fine & Sturdy It may look delicate but the Shanren speed sensor is strong, solid and built to withstand the elements. Better With the App The sensor can be used independently or in a productive combo with the Shanren Sports App that will unlock even more