Perfect refit accessories for your bike! Features: Constructed of high strength steel anti-corrosion, high performance of durability. Fluent turning movement without much noise. The inner thread is finished with high precision, ensure close connect with the bike hub and smooth operation. Providing fast riding speed with less effort needed. 14/16 teeth for you to chose. Inner diameter: 18MM and 34MM. Specifications: Material: Steel Type: 14T(18mm) / 14T(34mm) / 16T(34mm)(Optional) Inner diameter: 18mm, 34mm Outer teeth diameter: 62.5mm(14T,18mm), 61mm(14T,34mm),54mm(16T) Thickness: 21mm(14T,18mm), 22.5mm(14T,34mm), 14.5mm(16T) Weight: 135-150g / 4.1oz Package List: 1 * Single Speed Flywheel
Fruugo United Kingdom