Fulcrum 11 Speed Freehub Body Cassette Spacer Adapter for 9s/10s Shimano and SRAM Sprockets wheels are retro-fittable for 9s and 10-speed cassettes.
- x1 Shimano freehub pattern cassette adaptor.
- Let’s you fit a 9, or 10-speed cassette to an 11-speed freehub body.
- Will work with Shimano/ Sram/ Mavic/Fulcrum etc freehubs.
- Please note: not required or compatible with Campagnolo freehubs