Precise compatibility and stopping power Rear pull arm brake caliper designed for Motovox MBX10 and MBX11 mini bikes, as well as other 47cc/49cc pocket bikes, miniChoppers, and MiniSuper Bikes with 50 x 51 mm (2 inch) bolt hole spacing Engineered to deliver reliable braking performance on compatible lightweight vehicles Long lasting construction and durability Made from strength stainless steel Features a 304 stainless steel tensile spring Offers resistance to oxidation and heat, helping prevent erosion and maintain performance under demanding riding conditions Included pads and braking compatibility Includes installed brake pads Suitable for use with discs up to 160 mm in diameter and discs rated at 2 x 5 mm Provides immediate and dependable braking for both 2wheel and 4wheel mini vehicle applications Versatile mounting options Designed for convenient installation on the rear wheel of 4wheel vehicles (left or right side) Also suited for the front or rear wheel of 2wheel vehicles (left side) Flexible setup accommodates a variety of mini bike and pocket bike configurations Practical use scenarios Scenario 1: Replacing a worn or damaged brake caliper on a Motovox MBX10/MBX11 or other compatible 47cc/49cc pocket bikes to restore reliable stopping power Scenario 2: Upgrading a 4wheel mini vehicle (mini quad or small cart) rear braking for improved safety and control Scenario 3: Installing on a 2wheel pocket bike (front or rear, left side) to enhance brake performance without altering bolt spacing or mounting geometry