Description:

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

Specification:

Material: Steel
Compatibility: 9 speed
11T:Diameter:Approx.45mm/1.77inch

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

Package Includes:

Mountain Bike Freewheel(11T+13T)

Note:

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