Upgrade Your Bike with High Quality Road Mountain Bike Cog 891011 Speed

Description:

brand new and high quality. The new narrow-wide teeth design increases chain retention, wear life, and reduces friction and noise. Super 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 12T:Diameter:Approx.50mm/1.97inch 13T:Diameter:Approx.53mm/2.09inch

Package Includes:

1 Pieces Mountain Bike Freewheel