BKSR-0286 - T47-Asymmetrical, Thread-In, 440C Stainless, Radial Bearing Bottom Bracket for BB386 type (30mm) spindles. sale This ABEC-3 radial bottom bracket

This ABEC-3 radial bottom bracket bearing features black oxide-treated 52100 high-carbon chromium alloy races

BKC-54115 - XD15 Ceramic-Hybrid

They keep the dirt out and the oil inside

BKS-6052 - BSA Thread-In

BKSR-0286 - T47-Asymmetrical, Thread-In, 440C Stainless, Radial Bearing Bottom Bracket for BB386 type (30mm) spindles. sale This ABEC-3 radial bottom bracketBKSR 0286 T47 Asymmetrical, Thread In, 440C Stainless Steel, Radial Bearing Bottom Bracket for BB386 type (30mm) 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