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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
The BSA30 Bottom Bracket is built to meet the demands of various riding styles
*After placing an order
If you want to include the freehub bearings
Race Face and Easton and includes the spacer ring
Fitment & Installation
Kolossos ST Oversized Derailleur Cage - GRX CERAMIC OVERSIZED DERAILLEUR PULLEYS The BSA30 Bottom Bracket isKolossos, derived from the Greek word for a statue much larger than its original subject, aptly describes this oversized derailleur cage. By replacing your stock 12 tooth pulleys and cage with a 14 tooth top pulley and a 19 tooth bottom pulley mounted on the stiffest cage available, you can achieve reduced friction, improved shifting accuracy, and enhanced chain retention. Kolossos users appreciate the smooth shifting, quiet ride, and seemingly
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