SRAM DUB BB386 Bottom BracketThe SRAM DUB BB386 Bottom Bracket is a high performance interface designed to bridge the gap between SRAMs universal DUB crank spindle and the BB386EVO frame standard. Part of the "Team" series, this unit focuses on lightweight construction and superior environmental sealing to ensure a smooth, long lasting application of power. Durable Bearing Technology: This model is equipped with high quality stainless steel sealed cartridge bearings. Unlike