Browsing Derailleurs

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Kogel Bearings Derailleur Parts
Kogel Bearings Full Ceramic Pulleys
Margin Booster
  • Feature full zirconia ceramic and require no lubrication
  • A fresh look at pulley design maximizing pulley size and improving pedaling performance for any derailleur
  • Redesigned shape of the pulley teeth now give better chain retention and accurate shifts every time
  • Updates to newest version include: Increased stiffness using A-Shaped pillars between the bearings and teeth, maximized tooth count for every derailleur helps deliver optimal drivetrain performance, and enhanced visual design
  • CNC'd aluminum pulley wheels with blue anodized dust covers
  • Sold as pair
item # model compatible seal color in stock?
  KB6140 12/12t SHIM 11 Full Ceramic Shimano 11sp, Campy 12sp, Etap 11/12sp road black/blue YES
Leonardi Derailleur Parts
S-Ride Rear Derailleurs
Sunrace Front Derailleurs