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Mountain Disc Brake Rotors

Shimano HB-M8010 Center Lock Disc Rotor Lockring

The Shimano M8010 lockring fits on any and all Center Lock style hubs that feature 12mm, 15mm or 20mm axles. After installation of the rotor on the hub splines, this lockring secures the Center Lock rotor by threading into the threads resting in the hub. Simply slide on your rotor, then lightly grease the threads on this lockring and thread on the hub.


  • Fits all Shimano and after market Center Lock style hubs
  • OE replacement lockring
  • Quality machining and finishing
  • Grey anodized finish
  • Fits 12mm,15mm,20mm thru axle hubs
  • Sold individually
  • Shimano Part: Y2A59803
  • 10 grams
  • Made in Japan