12 много резьбовых ступиц свободного хода

12 Speed 11T-32T Bicycle Freewheel Sprocket Bike Cassette Flywheel Accessory

Description:

Constructed of steel aluminium materials, anti-rust, non-deformation, wear-resistant, high performance of durability.

The -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, chain slot and mud hole design, light weight, easy to clean.

Fits most Mountain, Road Bike Bicycles.

Works for 12 Speeds; Tooth Ratio: 11-32T (11-12-13-14-15-17-19 23-25-28-32T).

Specification:

Material: Steel

Package Includes:

1 Piece Bicycle Freewheel