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

Materials: 92% Polyester 8% Spandex

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

Cassette body for using Campagnolo EKAR cassettes on DT Swiss Star Ratchet model hubs

painted steel barrel and piston

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