Freehub body B2 type (B427), Shimano 11, steel 4-pawls, NBK bearings, with 9-speed 1.5mm steel spacer, w/inner spacer for D882SB, D772SB, D792SB, OEM, 1 set/1 bag, w/bushing. w/washer, w/oil seal
Cassette body compatibility: B2
Cassette body type: Shimano HG
Freehub body material: Steel