Amazon.com : SHIMANO Flat Mount Disc Brake Adapter Front, Flat Caliper to Flat Mount, 140/160mm : Sports & Outdoors
Amazon.com : RUJOI Bike Disc Brake Kit, Aluminum Front and Rear Caliper, Full Aluminum Alloy Bicycle Brake Lever, 160mm Rotor, Mechanic Tool-Free Pad Adjuster for Road Bike, Mountain Bike (140mm Disc Brake