Extend the life of your 10-speed Shimano drivetrain with this Stronglight 40T cassette extender chainring. Machined from 7075 aluminium with a black anodised finish, this conversion chainring allows you to run a larger outer ring where your cassette range falls short — a smart solution for cyclists seeking extra climbing gears or a broader gear spread from their existing 10-speed setup.

  • 40-tooth cassette extender/conversion chainring
  • Designed for Shimano 10-speed drivetrains
  • 7075 aluminium, black anodised finish
  • Expands gear range without replacing the entire groupset
  • Stronglight precision CNC manufacture
SKU BPW-SL275562
Model # SL275562
Brand Shimano