HSC Ceramic BB42 (BB30 Shimano/SRAM) Bottom Bracket Road
Convert BB30 frame to accept Shimano 24mm or SRAM GXP 22-24mm Cranks
– Brand new designed CNC cups with lighter weight and more strength
– 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 rubber seals – super smoothness
– 91 g
– BB30 standard frame (bearings directly pressed into the frame) with shell ID 42mm, width 68mm
i.e. Cannondale,BMC SLR01,BMC RM01 etc.
24mm spindle cranks, e.g. Shimano Dura Ace, Shimano Ultegra, Shimano 105, Shimano Tiagra, FSA etc.
– SRAM GXP 22-24mm spindle cranks