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A Vectran Breaker is lighter
runs quieter and further improves chain retention
The stiffness index 6 injection composite sole
The first is our low drag
Wireless and proven eTap shift logic
CeramicSpeed Bottom Bracket - ALPHA T47/86 Gravel Crank Brand:SRAM DUB A Vectran Breaker is lighterA bottom bracket built to outlast your frame. BB ALPHA features hardened stainless steel races hand built with grade 3 Silicon Nitride ceramic balls, custom engineered seals and precision dust covers, delivering up to 500% better moisture protection, while still providing ultra low friction performance. The simplified spacer tube design and lighter cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB
US$ 138.90
US$ 21.80
US$ 10.60
US$ 15.00