Mavic ITS-4 QRM Auto Freehub Body Kit Description: This Mavic ITS-4 QRM Auto Freehub Body Kit fits newer ITS-4 hubs that feature a 15mm axle and use a 4-pawl drive mechanism, and those hubs are found on select Mavic mountain bike wheels. Features: Genuine Mavic replacement parts Freehub fit for Mavic ITS-4 QRM Auto hubs that have a 15mm axle and a 4-pawl drive mechanism Compatible with Shimano HG-style 9 to 11-speed MTB cassettes; not compatible with 11/12 speed Shimano HG road bike cassettes Specifications: Material: Aluminum Cassette Compatibility: Shimano HG 9-11 Speed MTB Cassettes