1Practical brake lever, brings excellent braking performance to increase riding safety. 20.3in mounting hole, suitable for both left and right sides, fit for 50cc and 150cc. 3CNC machining highgrade aluminum alloy, high strength, anticorrosion and durable. 4The pivot hole is precise machined to ensure a perfect fit, easy to install and use. 5Manufactured to meet standard specification, strictly follow factory quality control.