The BBB BlueCombo BCP-61 is a speed and cadence sensor in one. Compatible with all devices that are Bluetooth 4.0 Smart Ready ready. Including crank and spoke magnet, battery and mounting material. Suitable for round and aero spokes.
Connection: Bluetooth 4.0 Smart Super Low Energy Technology Battery: 1 x CR2032 (battery included) Battery life: approx. 1800 hours (5 years at 1 hour per day) Assembly: chainstay Dimensions: 5.4 x 1.2 x 3.3 cm