CeramicSpeed -
The CeramicSpeed EVO386 bottom bracket offers bearings with extremely low friction, improved power transfer, and a service life that far exceeds traditional steel bearings. Designed for SRAM's DUB crank standard, built on a 28.99 spindle A more contamination resistant BB design that uses an integrated dust cover with a snug and secure fit to fully protect the face of the bearing Carries the load from crank to frame with unparalleled durability and efficiency Grade 3 Silicon Nitride balls Hardened races Reinforced polyamide cage and non-contact seals Spindle Interface Type: SRAM DUB BB Shell Width (mm): 86 Bottom Bracket Shell I.D.: 46 BB/Frame Interface: 386 EVO Defined Color: Black