Mavic Insta Drive 360 Aluminum Freehub Body Kit Description: This Mavic Insta Drive 360 Aluminum Freehub Body Kit fits Mavic Insta Drive rear hubs with dual ratchet rings found on select Mavic bike wheels. Features: Genuine Mavic replacement parts Freehub fit for Mavic Insta Drive 360 rear hubs with the dual ratcheting drive mechanism Compatible with SRAM XDR cassettes Specifications: Material: Aluminum Cassette Compatibility: SRAM XDR