18T Single Speed Aluminum Alloy Cog Bike Freewheels High Strength 18T Single Speed Cog Bicycles Sprocket Freewheels

Features: The high performances designs of folding 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 aluminum alloys, strong, Rusts resistant and wear resistant. It have high accuracy thread machining to ensures a tight connection with the bike wheel andsilky running. It can directly replaces old and broken accessories, ensuring the normal of your bike.

Specifications: Materials: Aluminum alloy Color: Redness/Black/Blue/Purpleness Styles: 18T Size: as shown in the picture

Package Includes: 1set Single Speed Flywheel

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.