KOLOSSOS ST OVERSIZED DERAILLEUR CAGE
Configure your Kolossos ST Below
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Upgrade your Shimano 12-speed drivetrain with super-smooth, accurate shifting and reduced friction. The Kolossos ST features an 18-tooth narrow-wide bottom pulley and 14-tooth top pulley on our stiffest cage yet, replacing your stock 13-tooth pulleys.
Equipped with high-quality stainless steel bearings, the Kolossos ST delivers excellent durability and smooth performance at a more accessible price point. Built for optimal shifting accuracy and chain retention—essential for XC, marathon, and enduro riders.
Ground clearance remains within 2mm of stock without hanging lower. Ships with road seals for maximum efficiency, with cross seals available for wet conditions.
Fitment: Compatible with Shimano XTR, XT, and GRX 1x 12-speed rear derailleurs. Not compatible with the latest Di2 XTR and XT groupsets
Kolossos ST: Performance Without the Premium
Introducing the Kogel Kolossos ST, the perfect balance of performance and value in an oversized derailleur cage. Designed for riders who want the benefits of reduced drivetrain friction and improved chain stability—without the premium price tag—Kolossos ST delivers smooth, efficient shifting in a sleek, refined package. With a CNC-machined aluminum cage for durability, precision-engineered hybrid ceramic bearings, and an optimized design for modern road and gravel bikes, Kolossos ST is built to perform. Whether you're pushing watts on the road or tackling mixed terrain, this is the upgrade that brings efficiency within reach. Ready to ride faster and smoother?
