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For GRX 1x set ups
the Kolossos ST delivers excellent durability and smooth performance at a more accessible price point
making them an excellent choice for riders who value longevity alongside performance
Weight: approx
Kogel Speed Kolossos for Shimano GRX 2x (11 & 12-Speed
Oversized Derailleur Pulleys for Shimano Dura Ace R9200 - Full Ceramic - 12/14T Color:Gold For GRX 1x set upsThese oversized pulleys fit the newest version of Dura Ace R9200, Shimano's flagship 12 speed drivetrain. Plus, these are full ceramic meaning ceramic bearings AND races that give you the highest level of efficiency so you can go even faster with less energy. By using the standard cage on your Shimano derailleur, you will feel the benefits of reduced articulation in the chain, while retaining accurate shifting; something that has been a negative side
US$ 54400.00
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