Sensitive gear shifting: 8 Speed Freewheel provides a fast and accurate index conversion function through special tooth profiles and slopes. The special and irregular-shaped beveled tooth profile is better compatible with various transmission chains, ensuring sensitive and smooth gear shifting
Hollow design: Bicycle Freewheel adopts a hollow design, easily reducing weight and the burden of riding, achieving a good balance between strength and weight. The independent small gearring is convenient for replacement and maintenance in the future
Control of gear shifting function: 8 Speed 11 40T Cassette adopts a unique mountain bike chain design, which can control the gear shifting function very well, is easy to install, and does not require any adjustment to the transmission system
High-strength steel: 11 40T Road Bicycle Freewheel is made of high-strength steel and hardened, featuring greater wear resistance, good impact resistance, less prone to deformation, and a longer service life
Scope of application: High Strength Steel Bicycle Freewheel is applicable to mountain bikes, folding bikes, city bikes, fat bikes, cargobikes, commuter bikes and other common types of bikes. Gear Teeth is 11-13-16-20-24-28-32-40T