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the Kolossos ST delivers crisp
right next to the crank arms
We're happy to build these for you
This bottom bracket will fit any Rotor crank set with 24mm spindle on a T47 frame with 86
Kolossos ST Oversized Derailleur Cage - Rival eTap deadstock the Kolossos ST delivers crispKolossos, 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
