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Internally bored to remove unnecessary material without compromising strength
A pair of dual-lip seals ride in micro-grooves to keep out water and debris
Battery Dynamo Recharge Type Not Rechargable Weight 12
Features a leak-proof robust and low-maintenance mechanical actuation system
SRAM DUB PressFit Bottom Bracket - BB89.5/BB92 89/92mm MTB SuperBoost + BLK Weight-48g Internally bored to remove unnecessarySRAM DUB PressFit Bottom Bracket BB89. 5 BB92 89 92mm MTB SuperBoost + Black. The SRAM DUB bottom bracket series has a simple job to connect crankarms and protect the smooth long lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard simplifying crankarm compatibility. Designed for use with SRAM SuperBoost+ Cranksets Gutter Seal Technology drastically improves sealing
