Description:

Constructed of steel 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.
Super high strength, ultra-light hollow design won't add any burden to your bike
Accurate sensibility provides an unmatched transition between gears when up and down shifting
High-performance gear combinations provide wonderful riding experience!

Specification:

Material: Steel
8S 11-32T Fit for 8/16/24speed, 11-13-15-18-21-24-28-32tooth
8S 11-40T Fit for 8/16/24speed, 11-13-16-20-24-28-34-40tooth
9S 11-32T Fit for 8/16/24speed, 11-13-15-17-19-21-24-28-32tooth
9S 11-40T Fit for 8/18/27speed, 11-13-15-18-21-24-28-34-40tooth
10S 11-36T Fit for 10/20/30speed, 11-13-15-17-19-21-24-28-32-36tooth
10S 11-42T Fit for 10/20/30speed, 11-13-15-18-21-24-28-32-36-42tooth
10S 11-50T Fit for 10/20/30speed, 11-13-16-20-24-28-32-36-42-50tooth
11S 11-42T Fit for 11/22/33speed, 11-13-15-17-19-21-24-28-32-36-42tooth
11S 11-50T Fit for 11/22/33speed, 11-13-15-18-21-24-28-32-36-42-50tooth
12S 11-50T Fit for 12/24/36speed, 11-13-15-17-19-21-24-28-32-36-42-50tooth

Package Includes:

1 Piece Bicycle Freewheel