7cogs dnp freewheel, teeth numbers:11-13-15-18-21-24-28.Compatible with e-bike conversion, fat bike, cargo bike, city bike, commuting bike.
Electric bike specific 7 Speed freewheel,Made of high strength and durable chromoly Steel. Nickel plated surface treatment.
Total height: 37.1mm+/-0.1mm, Weight:485g+/-1g,hot roller steel cogs(sprockets) + 3 layer nickel plated, chrome-molybdenum steel clutch mechanism
Designed for E-bike, ratchet mechanism is high strength and durable, able to withstand the torque generated from the electric motor.
Fits standard motorized rear hub with threaded freewheel mount, compatible also with standard threaded bicycle freewheel hub.Remove with DNP freewheel removal tool, 12 splines, 22.6mm outer diameter.Hub thread type B1.37??????24tpi, hub offset should not less than 37mm.