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An equally smooth operator on city bike paths and country trails
The 17t range covers an array of riding conditions
Ideal for mechanics and serious cyclists
and reliable
CeramicSpeed Bottom Bracket - ALPHA BSA Road Derailleurs An equally smooth operator onA 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 cups ensure quick installation and a 10% weight reduction over previous generations. All CeramicSpeed BB
US$ 1949.50
US$ 109.00