Shimano SM-RT81 lockring and washer Y8K198010

Shimano Disc Lockring

Shimano SM-RT81 Disc Brake Rotor Lock Ring and Washer - Single

SHIMANO XT RT81 DISC LOCKRING LOCKRING AND WASHER : Bike Brake Rotors : Sports & Outdoors

Shimano SM-RT81 Lock Ring/Washer

Shimano SM-RT79 rotor fixing bolt unit Y8J298010

Universal Cycles -- Shimano Disc Brake Centerlock Rotor Lockrings [Y2A598030, Y8PV98010, Y8K198010, Y8PW98020]

BR-M8000 SM-RT81 SM-BH90 SM-RT86: DEORE XT Disc Brake, PDF, Vehicle Parts

It provides even pressure across the disc rotor so it's less likely to warp due to uneven torque and it's simply faster and easier to install and remove. The XT M8010 Centerlock Rotor Lockring is perfect to keep in the toolbox just in case you might need it on a trip. The lockring is compatible with 12 15 and 20mm axles and Centerlock rotors and requires an external BB tool to torque the lockring to the hub.

Shimano XT M8010 Centerlock Disc Rotor Lockring

SHIMANO XT RT81 DISC LOCKRING LOCKRING AND WASHER : Bike Brake Rotors : Sports & Outdoors

SHIMANO lock ring for fixing the SM-RT81 brake disc. Made of aluminium, the lock ring is internally toothed and comes in black. A washer is included

SHIMANO Centerlock lock ring for SM-RT81 | Black