Description:

100% brand new and high quality.
The new narrow-wide teeth design increases chain retention, wear life, and reduces friction and noise.
Super durable and light weight.
Larger wide tooth design provides maximum ring durability and drop performance.
Easy to install and dismantle.

Specification:

Material: Steel
Compatibility: 8/9/10/11 speed

11T:Diameter:Approx.45mm/1.77inch

13T:Diameter:Approx.53mm/2.09inch

Package Includes:

1 Piece 11T Mountain Bike Freewheel

1 Piece 13T Mountain Bike Freewheel

Note:

1.This chainring fit for Mountain Bike flywheel, not fit road bike flywheel.
2.Please determine your flywheel specification carefully before buying.please buy as needed.