CeramicSpeed BB ALPHA Bottom Bracket - BB86 86.5mm For 24mm/Shimano Spindle Road BLK ModelNumber=3227 3 hardened stainless-steel band layers

3 hardened stainless-steel band layers wrapped in an aramid fiber jacket

Color Black Flat Protection Sidewall TPI 60 Designed for ebike Yes Defined Color Black ISO Width (mm) 66 ISO Diameter 584 / 650b / 27

Grip damper with 3 position damper control

Protection from rain

Vendor Sunrace Manufacture Number STFX33

CeramicSpeed BB ALPHA Bottom Bracket - BB86 86.5mm For 24mm/Shimano Spindle Road BLK ModelNumber=3227 3 hardened stainless-steel band layersA 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