CeramicSpeed PF30A Road Bottom Bracket - DUB Road Spindle Black. The CeramicSpeed PF30 bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings. TECH SPECSBottom Brack
CeramicSpeed PF30A Road Bottom Bracket – DUB Road Spindle Black. The CeramicSpeed PF30 bottom bracket offers bearings with extremely low friction improved power transfer and a service life that far exceeds traditional steel bearings.
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