Perfect refit accessories for your bike!
Features:
Mainly made of durable steel.
12 teeth design.
Inner diameter: 18MM and 34MM.
Specifications:
Material: Steel
Inner diameter: 18mm, 34mm
Outer teeth diameter: 53mm
Thickness: 26mm
Weight: 116g / 4.1oz
Package List:
1 * 12T Single Speed Flywheel