CUSTOM SPEED KOLOSSOS + FREE BOTTOM BRACKET

BUILD IT
YOUR WAY.

The Speed Kolossos is the fastest pulley system we make. Now build it in the colors that match your bike, your style, you. Mix and match for endless combinations and create something unmistakably yours.

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.
BUILD 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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