4IIII Crank

Features

 

-Most accurate direct crank based power measurement with 1.5% accuracy

-Bluetooth Smart and ANT+ provides reliable connection to leaderboards, personal tracking apps, sport watches and consoles

-Reliable, robust and watertight

-The sam-ams: Quick-Step Floors, BORA-hansgrohe and the Canadian National Cycling team

-2000+ hours of battery life via 2 standard AA batteries