Product Description Shimano Alivio FH-M4050 Freehub Body as spare part This Shimano freehub can be used for the Alivio rear hub FH-M4050 and for Shimano MTB cassettes with up to 11 gears. In addition to the complete freehub body, a hub housing spacer and the body fixing bolt are supplied. Specifications:Series:Alivio M4000Application:All Mountain, Cross CountryFreehub Body Type:M4050Freehub Body Material:steelSeals:contactCompatibility:Alivio FH-M4050Models:universal: Freehub:Shimano MTBGearing:8-/9-/10-/11-speedManufacturer Number:Y-31H98040Contents:1 x Shimano freehub body1 x body fixing bolt1 x spacer Manufacturer: Shimano Europe B.V. High Tech Campus 92 5656 AG Eindhoven Netherlands info@shimano-eu.com