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Kogel KOLOSSOS SPEED derailleur arm with Shimano R8100/R9200 pulleys, black

499 €
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From 29.06.2026 (Monday) Check availability
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Delivery method on Tuesday 30.06.2026
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Delivery method on Tuesday 30.06.2026
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Kogel KOLOSSOS SPEED derailleur arm, Shimano R8100/R9200

The oversized derailleur pulleys are designed to reduce chain sag and slow down the rotation of the ceramic bearings, contributing to greater drive efficiency. The Kogel Speed ​​Kolossos system is specially developed for Shimano Dura-Ace and Ultegra 11 and 12-speed groupsets, with the aim of achieving the optimal balance between aerodynamics, efficiency and durability. It is the fastest Kolossos system, finely tuned to reduce drag and maximize performance.
Product features
Sleek design focused on speed - aerodynamically optimized, reducing drag while maintaining precise and crisp shifting
A specially engineered cage and oversized ceramic pulleys minimize friction, ensuring every watt expended is transferred directly to the road
Designed for Shimano Dura-Ace and Ultegra road derailleurs, including Di2 versions
Compatible with 11 and 12-speed systems
Usable for both medium-length (GS) and short-length (SS) straps
Product details
Groupset Other
Weight 98 g
Bearings fully ceramic
product ID 377968
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Kogel
Accessories Kogel
The Texas brand Kogel will be loved by everyone who is focused even to the last details. It offers ceramic bottom brackets, oversize pulleys or full arms and also ceramic wheel bearings. They make bolts from titanium for mounting discs, baskets or stems, all tested by the pro Trek teams they sponsor.
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