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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
For Shimano® / ISIS Drive® compatible cartridge BBs with 20-tooth in the ring
Unique polyester/nylon/Lycra® 78%/15%/7% blend
Supports corrective optical inserts for users requiring prescription lenses
celebrating one of cycling's most iconic historical moments
BR-RS505-R
Ceramicspeed ITA SRAM DUB Road BB Alpha Bottom Bracket (Black) Speed-8 Speed For Shimano® / ISIS Drive®A 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 Features Premium
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