CeramicSpeed Oversized Pulley Wheel System (Black) (Shimano 9000/6700) (Ceramic Bearings)

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Price: $599.00

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CeramicSpeed OSPW System Description:

The CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low-friction bearings and unique overall design.


  • Features two oversized 17-tooth aluminum pulley wheels with Grade 3 Silicon Nitride balls
  • Robust cage crafted from polyamide and carbon fiber for durability and light weight
  • Hardened steel bearing races
  • Only compatible with Ultegra 6700/6770/6800/6870 mechanical and Di2 rear derailleurs and Dura Ace 7900/7970/9000/9070 mechanical and Di2 rear derailleurs (up to 28t cassettes)
  • Not compatible with Shimano Dura-Ace 9100/9150 and Ultegra 8000 series rear derailleurs


  • Compatibility: Shimano Dura Ace 7900/7970/9000/9070, Ultegra 6700/6770/6800/6870
  • Speeds: 10/11 Speed
  • Max Cog: 28T
  • Color: Black

This product was added to our catalog on April 25, 2018