REAR HUB The KLS DRIVE R rear hub is designed for 8/9/10 speed bicycles with a cassette hub, with V-brakes, and with a standard quick release. DETAILS 8/9/10 speeds V-Brake 32 holes Ball bearing Hole distance 45/45mm Axle 9x135mm Made of aluminum alloy VARIANTS Color: Black, Silver ACCESSORIES Axle with quick release 9x135mm (included in the package) COMPATIBILITY 8/9/10 speed bikes with cassette hub, with V-brakes, with attachment in the fork using a standard 9x135mm quick release, hub hole spacing 45/45mm