Single Speed Cog Sprocket Freewheels Replacement Mountain Bike Freewheels Sprocket Part Cycling Accessories Enduring

Features:
The high performances designs of road bike single speed flywheel provide fast cycling speed while saving effort.
Mountain bike single speed flywheel have smooth turn action no much noise.
Make of steels, strong, Rusts resistant and wear resistant.
It have high accuracy thread machining to ensures a tight connection with the bike wheel andsilky running.
And It can directly replaces old and broken accessories, ensuring the normal of your bike.

Specifications:
Materials: Steel
Number of teeth: 16T/17T/18T/19T/20T/21T/22T/23T
Size: As Shown in the Picture

Note:
Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.

Package includes:
1pc Single Speed Flywheel