CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket BYOB display the tyre tread is embedded

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

Battery: 2000 mAh

Featuring UltraCarbon™ technology

Wide closure straps allow you to quickly change in and out of riding gear

CeramicSpeed BB Alpha BBright Shimano Road Bottom Bracket BYOB display the tyre tread is embeddedA 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