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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
the Speed Kolossos for Shimano 11 and 12-speed is your new secret weapon
thread ring
choose cross seals
Choose Kratos compound for best durability in wet environments and intense braking
EZ Install Bundle derailleurtype-Campagnolo the Speed Kolossos for ShimanoLooking for the easiest way to up the performance of your bike? A home mechanic can install our EZ Install bundle in no time. Ceramic Oversized Derailleur Pulleys: Full ceramic or hybrid ceramic pulleys reduce drivetrain friction, improve shifting accuracy, and outlast standard plastic pulleys. Ceramic Bottom Bracket: Extremely reliable and efficient bottom brackets that increase bottom bracket stiffness. Stem & Bottle Bolts: Improve the performance
