2015/2321 - A cassette of base metal sprocket wheels (so-called ‘free hub cassette’) without a free-wheel mechanism. The free hub cassette consists of seven sprocket- wheels fixed together, two separate sprocket-wheels and a washer. The smallest sprocket-wheel has 11 teeth and the largest 32 teeth. The free hub cassette is designed to be placed over the free- wheel mechanism (integrated in the hub body). Thereafter, the drive shaft of the rear wheel can be disconnected from the hub body (free- wheel). This - The Trade Hub