CeramicSpeed BB ALPHA Bottom Bracket - BB30 68mm For SRAM DUB Spindle Road BLK MFPN=910-21-417 and this is the second

and this is the second fluor-free MWC

OPTIS is lightweight adding less than 90g per wheel to an ordinary tubeless set-up and provides greater protection than traditional inserts that are much heavier

Engineered to be 7% faster than the previous one and built for speed and control on the mixed terrains that define today’s XC racing

Materials: 92% Polyester 8% Spandex

CeramicSpeed BB ALPHA Bottom Bracket - BB30 68mm For SRAM DUB Spindle Road BLK MFPN=910-21-417 and this is the secondA 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