CUSTOM SPEED KOLOSSOS + FREE BOTTOM BRACKET

LESS DRAG.
MORE SPEED.

The Speed Kolossos is the fastest pulley system we make. Pair it with a Kogel ceramic bottom bracket and your drivetrain spins on our lowest-friction bearings end to end, from the cranks to the cage. Less drag means more of your power reaches the road, and you still build it in your colors.

Add your Speed Kolossos and a Kogel ceramic bottom bracket to your cart, and up to $279.99 comes off automatically at checkout. A full BB upgrade, on us. No code needed.

*Free bottom bracket on Speed and Aero Kolossos only. Excludes Kolossos ST and the standard Kolossos cage.
UPGRADE YOURS
Kogel Bearings, Kolossos derailleur cage, ceramic bottom bracket, oversized pulley system, wheel hub bearings, ceramic bearing upgrade, drivetrain efficiency, cycling performance, bike component upgrade, smooth shifting, reduced friction, enhanced durability, precision engineering, high-performance cycling, custom bike components, aerodynamic efficiency, lightweight materials, road cycling enhancements, mountain biking gear, gravel bike upgrades.
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