... but with competitive price.2.We supply all kinds of motorcycle parts for JOG50( 3KJ, 3YK, 3YJ, 4JP), DIO50, ... -175 YBR-125ED EN-125. The main parts is the engine parts, We are always strict on the quality ... 1023) and 16-Mn steel.4.Heat treatment: USA heat-treatment technologies and Gemany Imported equipment(Guarantee hardness ... Mid-east, Europe, South East Asia, Africa, etc Motorcycle Parts Sprocket