Kogel 12/14 Tooth Full Ceramic Oversized Pulley Wheels for Shimano
These Kogel 12/14 Tooth Full Ceramic Oversized Pulley Wheels are designed to be installed directly into the stock cages of Shimano Dura-Ace R9100, Ultegra R8000 and 105 R7000 rear derailleurs. By using the stock derailleur cages, gear shifting vagueness experienced by other oversized systems is eliminated. The 12 tooth upper and 14 tooth lower pulley wheel format is plenty large enough to save watts via reduced chain articulation, while the full ceramic bearings keep drivetrain rotational friction to a minimum.
Features
- The oversized 12 and 14 tooth format save watts via reduced chain articulation
- Full ceramic bearings markedly reduce drivetrain rotational friction
- Compatible with Shimano Dura-Ace R9100, Ultegra R8000 and 105 R7000 rear derailleurs
- Designed to be installed directly into the stock Shimano derailleur cage, keeping gear shift accuracy high
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