Chooee Bicycle Mechanical Disc Brake Set,Mountain Bike Rear Line Pulling Caliper For MTB ZYZR01

R160 Rear Brake: (Also named F180/R160) If installed at front wheel, it fits 180mm rotor, but if installed at rear wheel, it fits 160mm rotor. Mechanical Disc Brake Caliper made of premium aluminum alloy material, compact, lightweight, durable and long lasting ❄Anti corrosive and rustproof aluminum alloy material.Excellent heat dissipation effect. Easy to install on your bike. Easy Installing, good breaking power and most important quiet Package included: 1pcs x　RearBrake ,2pcsx Brake Caliper bolts .Used for brake systems of ordinary bikes, mountain bikes