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with barely any need to move your hands from their natural position on the handlebars
- *BB sold separately (see Bottom Brackets section for more details)
Manufacturer Part Number: 142-31535-K001
The tire's full contact surface enhances grip
- Mounts out-board or in-board of brake lever
CeramicSpeed BB ALPHA Bottom Bracket - T47, 73mm, For 24mm/Shimano Spindle, MTB, Black Rigid Seatposts with barely any need toA 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 7075 aluminum cups ensure quick installation and a 10% weight reduction over previous generations. All
