This Shimano lock ring is compatible with the SM-RT900 Center Lock brake disc. The aluminum locking ring is internally serrated. Now available at 365Rider.
Specialized Roval Centerlock Disc Brake Rotor Lockring (Black
Shimano XTR RT-MT900 Ice Tech Freeze Disc Rotor (Centre Lock)
The pinnacle in mountain bike braking, Shimano XTR RT-MT900 disc brake rotors deliver superb stopping power for the most aggressive riding. The Ice Technologies Freeza rotors dissipate heat to maintain braking performance on long downhill stretches. Shimano's Center Lock mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.
Shimano XTR MT900 Center Lock Disc Rotor 160 mm
Shimano Dura-ace Disc Brake Rotor Sm-rt900 140mm Centerlock Ice
Shimano XTR RT-MT900-L Disc Brake Rotor - 203mm
New Shimano SM-RT10 Center lock Rotor Lockring w/ Washe
Shimano Dura-Ace SM-RT900 Disc Brake Rotor Lock Ring and Washer
SHIMANO DURA-ACE R9100 SM-RT900 CENTER LOCK - Disc
From Good to Great: Shimano Dura-Ace SM-RT900 Disc Brake Rotor
Shimano Disc Brake Rotor Small Parts Centerlock lock rings Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.
Shimano Dura-Ace SM-RT900 Disc Brake Rotor Lock Ring and Washer
Shimano Lockring for SM-RT900 - bike-components
Shimano 105 RT70 Ice Tech Disc Brake Rotor (Centre Lock)