Brand New Shimano XT Saint SM-RT81/RT86 Ice-Tech Disc Rotor 160MM/180MM/203MM | eBay
Shimano Saint SM-RT81 Centre-Lock Disc Rotor - CrucialBMXShop.com
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