– Improved sealing structure
– Integrated design to fit Shimano/FSA 24mm cranks, no additional adapter required
– Integrated seal and pre-assembled
– ABEC 7 standard alloy steel bearing races
– Grade 3 Si3N4 ceramic balls – highest precision in the market
– Kluber grease
– Specially designed Nylon bearing retainer for more shock absorbing and less friction
– Light touch Dual lip rubber seals for a better protection
– 106 g
BBright standard frame (non-thread) with shell ID 46mm, width 79mm, such as Cervélo BBright frames.
24mm spindle cranks, e.g. Shimano Dura Ace, Shimano Ultegra, Shimano 105, Shimano Tiagra, FSA etc.