About this item 6 speed freewheel 14-32t, teeth numbers:14-16-18-20-24-32.Compatible with electric mountain bike, fat bike, cargo bike, city bike, commuting bike with hub motor. 6speed freewheel, made of high strength SPHC and durable chromoly steel. Nickel plated finishing Total height: 33mm /-0.2mm, Weight: 448g /-1g,hot rolled steel cogs(sprockets) 3 layer nickel plated, steel clutch mechanism Designed for E-bike, ratchet mechanism is high strength and durable. Gear range 228%. Fits standard motorized rear hub with threaded freewheel mount, compatible also with standard threaded bicycle rear hub




