Buy your Shimano SM-RT81 Centerlock Lockring and Washer from Condor: experts since 1948, free UK delivery over £30, fast worldwide shipping, free click & collect.
Shimano SM-RT81 internal Disc Rotor lock ring and washer.Genuine Shimano replacement part.
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Hands On Bike: Avanti Inc 3: Shimano RT81 Ice-Tech Centerlock Rotors
Universal Cycles -- Shimano Disc Brake Centerlock Rotor Lockrings [Y2A598030, Y8PV98010, Y8K198010, Y8PW98020]
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SHIMANO XT RT81 DISC LOCKRING LOCKRING AND WASHER : Bike Brake Rotors : Sports & Outdoors
Universal Cycles -- Shimano Disc Brake Centerlock Rotor Lockrings [Y2A598030, Y8PV98010, Y8K198010, Y8PW98020]