Experience the power of KOGEL's 12/14T Oversized Derailleur Pulleys. Fit it on your stock cage for a smooth ride that reduces articulation in your chain and guarantees ultra-accurate shifting. Feel the difference with KOGEL's latest and greatest derailleurs and benefit from smooth, simple, and powerful performance.
Compatible with:
Shimano Dura-Ace R9100
Shimano Ultegra R8000
Shimano 105 R7000
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