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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. All CeramicSpeed BB ALPHA models are backed by a lifetime warranty. Precisely pair a 24mm axle crank from Shimano or other brands with a BSA or English threaded frame by selecting this high quality bottom bracket from CeramicSpeed. In the box: BB ALPHA for BSA Shimano MTB UFO Long Life Grease 5 ml Decal Discipline - Mountain SKU - 115547 Net weight - 81.0 g Gross Weight - 191 g BB Type - BSA MTB 73mm Crank Diameter - 24.0 Crank Brand - Shimano
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🇺🇸 Ship from USA · On Agora since 2026
$449.00