Description:
Constructed of aluminum alloy materials, anti-rust, non-deformation, wear-resistant, high performance of durability.
The ultra-sliding sprocket features tooth profile with contoured shifting gates for clear and smooth shifting even under load.
Mountain Bike Road Bicycle flywheel, hollow design, super high strength, lead chain slot and mud hole design, light weight, easy to clean.
Intended use: derailleur gears , Cassette-Build: cassette
Optional model (Speed&Teeth): 8S 11-25T to 11-42T, 9S 11-25T to 11-40T, 10S 11-25T to 11-46T.
Package Includes:
1 Piece Bicycle Freewheel