This product uses gravity technology, the use of the latest stampede Livall frequency algorithm to design the smallest cadence sensor installation flexibility for the market most of the bicycle; cadence data by controlling user riding methods.
1. Download the phone APP, the Bluetooth connection can see in the cadence data in APP
2. Ultra-small size: 30X30X15mm,
3. The the cadence has applied for patent
4. A variety of installation mode, you can install the disk tooth holes or right crank;
5. long standby 180 days. 
