Shimano XT RT Mt800 Disc Brake Rotor Center Lock W/external Locking
Shimano SM-RT70 180mm Center Lock Disc Brake Rotor ISMRT70ME External Lockring
External serration lockring included. Lockring Included: Yes. Lockring Type: External Serration. 180mm rotor size. Shimano SM-RT70 disc brake rotor. Series: Shimano. Type: Disc Brake Rotor. 2-piece rotor construction.
Shimano Deore XT RT-MT800 203mm Center Lock Disc Brake Rotor IRTMT800LE
SKU: IRTMT800LE. It uses Shimano FREEZA heat dissipation technology, a 2-piece rotor design, and includes an external spline type lockring for easy installation. Shimano Deore XT RT-MT800 disc brake rotor.