BKSR-0276 - T47-Asymmetrical, Thread-In, 440C Stainless, Radial Bearing Bottom Bracket for SRAM DUB (29mm) spindles. 428420 S608 LLB - Stainless Steel

S608 LLB - Stainless Steel

CN clearance specification is best for looser press-fit bearing bores

Black-Oxide treated Zero Ceramic as a step up

The solid lube polymer fills the entire cavity of the bearing

BKSR-0276 - T47-Asymmetrical, Thread-In, 440C Stainless, Radial Bearing Bottom Bracket for SRAM DUB (29mm) spindles. 428420 S608 LLB - Stainless SteelBKSR 0276 T47 Asymmetrical, Thread In, 440C Stainless Steel, Radial Bearing Bottom Bracket for SRAM DUB (29mm) spindles. 440C stainless steel bearings pressed into precision machined aluminum T47 cups that simply thread directly into the BB shell. The T47A (Asymmetrical) specification is a new thread in standard that has is similar in concept to BBRight (but with threads) that been used by a couple brands, including Cervelo and Factor. All Enduro