PowerTap Magnetless Speed or Cadence Sensor Bike Accessories_Inner Tube Easy clip in/out with adjustable

Easy clip in/out with adjustable tension from 6 to 14

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

from hard pack to mud to wet

Chamfered tips for a perfect fit

PowerTap Magnetless Speed or Cadence Sensor Bike Accessories_Inner Tube Easy clip in/out with adjustablePowertap'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.