▲Complete Solution: a whole brake system with 2 aluminum front and back caliper(51mm), 2 of aluminum bicycle brake handle, 2 of stainless steel 160mm Rotors, 2 sets of 6 bolts, & cable ▲Dimension: IMD international dimension, Front caliper for 160/180mm rotor, rear caliper for 160mm disc. Bike brake levers fit installed on 22mm/0.87inch diameter handlebar ▲Easy Assembly: Upgraded tool-free pad adjuster, changing without disassembling the caliper, no need for traditional plum six angle screwdriver. Automatic lever position restoration provides quick recovery from the crash. ▲Ideal Replacement: High quality repair or upgrade part. Out of box experience just for you. ▲Universal Brake Pad compatible : Compliant model Shimano Deore M515/M525/M475, Nexave C601,M375/M395/M415/M446/M465/M475/M485/M486.Tektro Auriga, Auriga E-Comp, Auriga Pro, Draco,Draco2, Draco WS, Gemini, HD330, Orion. TRP HY/RD, Hylex, Spyre, Spyre SLC