CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket BYOB display 5 cm in length for

5 cm in length for small bike frames)

Despite a reduced thickness

Depth 50mm 56mm

the tyre tread is embedded with the 320 TPI cotton casing through newly developed vulcanization processes – in addition Corsa PRO Control has been strengthened with a thicker tread for increased puncture protection and extended wear-life

CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket BYOB display 5 cm in length forA 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