Left Crank with 4iiii Precision 3 potentiometer for Shimano XTR M9000 - 170

4iiii Precision 3 Left Crank with Potentiometer for Shimano XTR M9000 has up to 800 hours of battery time, precision of +/-1% and the backing of a legendary 3-year guarantee, the Precision 3 potentiometer will be your most trusted training tool for the coming years. Precision Ride Ready is included and comes pre-installed on a new Shimano crank arm of your choice. These cranks adapt to pedal axes that use Hollowtech II interface.Features:Use: MTBCrank arm length: 170, 175 mmHigh-precision data collectionLightweight and compact designBattery status indicator via APP (iOS and Android available)Very simple commissioning and maintenance (essential to read instructions for proper operation)All 4iiii potentiometers have an IPX7 classification for waterproofing up to 1 metre ANT+, Bluetooth connectivity