CeramicSpeed BB ALPHA Bottom Bracket - BB86, 86.5mm, For 30mm Spindle, Road, Black Decals and Stickers 3x stainless splines that prevent

3x stainless splines that prevent the cassette from digging into the body \n - Micro Spline freehub bodies (BI4502/BI4515) will need BI4520 if converting from HG

Manufacturer Part Number: AM-M059-32

Manufacturer Part Number: 107485

UPC: 710845763823

- Fast rolling center blocks with raised shoulders on the SK models

CeramicSpeed BB ALPHA Bottom Bracket - BB86, 86.5mm, For 30mm Spindle, Road, Black Decals and Stickers 3x stainless splines that preventA 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