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Sram DUB PressFit Bottom Bracket 89/92mm
The Sram DUB™ (Durable Unified Bottom Bracket) series has two simple jobs: To connect and support the crank arms and to ensure consistently smooth power transmission to the derailleur. To make this possible, Sram designed the DUB™ crankshaft to be the central unifying component. An oversized crankshaft for all bottom bracket standards, better crank compatibility, better protection from the elements and increased durability.
Version for PressFit housing (PF41) and installation width of 86.5 mm
