Features 1、Constructed of high strength steel with galvanization processing, anti-corrosion, high performance of durability. 2、Fluent turning movement without much noise. 3、The inner thread is finished with high precision, which ensure close connection with the bike hub and smooth operation. 4、Providing fast riding speed with less effort needed. 5、Usually applied for fixed gear bike bicycles. Features: Constructed of high strength steel with galvanization processing, anti-corrosion, high performance of durability. Fluent turning movement without much noise. The inner thread is finished with high precision, which ensure close connection with the bike hub and smooth operation. Providing fast riding speed with less effort needed. Usually applied for fixed gear bike bicycles. Specification: Condition: 100% Brand New Material: Steel Color: Shown as pictures Whole Diameter: Approx. 56mm / 2.2in(13T), 62mm / 2.4in(14T), 66mm / 2.6in(15T), 70mm / 2.7in(16T) Weight: Approx. 50 - 70g Packing List: 1 x Bike Freewheel 1 x Locking Ring *Other terms on pictures are not included. Package List