Rear Thru-Axle Crystalyte H Series direct drive Ready-to-Roll kit with downtube battery and integrated Baserunner_L10 motor controller. The H35XX hub options is sized for 142x12 thru axle frames, whilt the H40xx hub is for boost size 148x12.. Compatible with screw-on freewheels only, not cassette freehubs. Motors are all stocked unlaced, and feature 0.35mm laminations, a Statorade injection port, and the L10 connector with internal thermistor. For a hand built wheel, please select the rim, spokes, and wheel lacing labour items as well, and expect a 3-4 day additional wheel building delay. Kit includes various PAS or Torque Sensor Options for the V3 Cycle Analyst
For a full explanation of the various drop-down choices and a comparison of this package versus other motor options