SHIMANO CENTER LOCK Disc Brake Rotor ICE TECHNOLOGIES 203/180/160/140 mm | SHIMANO BIKE-EU
Shimano XT SM-RT81 Disc Brake Rotor Lock Ring and Washer - Walmart.com
Shimano Deore XT SM-RT81 Ice-Tech Center Lock Brake Disc 6 5/16in RT81 S - New | eBay
SHIMANO SM-RT81 LOCK RING &WASHER - SoCal Bike - Oceanside, Carlsbad and north San Diego county's favorite bike shop, Bicycle and ebike rentals, sales, and service