PowerTap Magnetless Speed or Cadence Sensor Bike Accessories_Inner Tube ACUTE LOAD: Compare your recent

ACUTE LOAD: Compare your recent training load to the optimal range to help improve your fitness

Eliminates brake squeal and will not attack wax on paint or drivetrain

Fully functional with warranty intact

Shine bright with 5 light modes — no matter the conditions

PowerTap Magnetless Speed or Cadence Sensor Bike Accessories_Inner Tube ACUTE LOAD: Compare your recentPowertap's low profile speed or cadence sensor harnesses the advances in accelerometer technology to leave the magnet in the dust along with your competition. Can be programmed for speed or cadence. Easily attaches to crank arm or hub. Dual band Bluetooth Smart and ANT+ compatibility. Low profile design with no magnet required.