8 speed freewheel 11-23, 11- 25 Teeth (road bicycle)
8 speed freewheel 11-238, 11- 32, 11-34, 11-36, 11-40 Teeth (mountain bicycle)
Made of high quality metal, anti-corrosive, good heat resistance, do not worry about the long-term use of friction heat, affecting its life. -Easy to maintain and rarely get grubbed up on the inside
This freewheel characterized by smooth rotation without much noise, high precision internal thread, ensure close connection with bicycle hub, smooth operation.
It’s made using hardened steel material which makes it one of the most durable, long-lasting freewheels for multi speed bikes on the market. It is also compatible with electric bicycles
Compatible with hub motor e-bike, road bike, mountain bike, cargo bike, city bike, commuting bike.
E bike specific freewheel 8 speed, Made of high strength SPHC and durable chromoly steel. Nickel plated surface treatment.
Hub freewheel off set 40.5mm, hub freewheel thread type B1.37*24, hub freewheel thread diameter 34mm.
Total height: 39.5mm+/-0.2mm, Weight: 492g+/-1g, hot rolled steel cogs (sprockets) + 3 layer nickel plated, steel clutch mechanism.
Designed for E-bike, ratchet mechanism is high strength and durable. Speed range 215%. Fits standard motorized rear hub with threaded freewheel mount, compatible also with standard threaded bicycle freewheel hub.
1. Count how many teeth the smallest piece of the freewheel/cassette is, and the cassette is generally 11 or 12 teeth;
2. Remove the freewheel/cassette, if there is column foot on hub, it will be cassette, and if there is no column foot and it has screw thread inside, it will be freewheel.
