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Kogel

Kogel KOLOSSOS derailleur arm with pulleys, R8100, R9200, road, gold

475 €
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From 02.02.2026 (Monday) Check availability
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By courier to your home Express courier delivery DPD Express courier delivery GLS
Delivery method on Tuesday 03.02.2026
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At collection points
Delivery method on Tuesday 03.02.2026
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Extended return option up to 100 days More info
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Kogel KOLOSSOS derailleur arm with pulleys

Oversized derailleur pulleys are all the rage these days. Large derailleur pulleys cause less chain deflection and slower bearing rotation. Both lead to less friction and more efficient power transmission.
Product features
3x stiffer than competing products and 2x stiffer compared to the original pulley cage on your derailleur
Long tooth profile on the lower pulley for better chain holding
Ceramic bearings in the rollers for even lower friction
Reduction of friction, while maintaining shifting accuracy
Choice of three color variants
Product details
Groupset Other
Compatibility Shimano Dura Ace R9200, Shimano Ultegra R8100, also for Di2 versions
Pulleys 12 - upper, 19 - lower
Weight 86 g
product ID 184835
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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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