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

Battery: 2000 mAh

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

responsive comfort

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