For Yamaha DT250 MX 1980 520 Motorcycle Front Rear Chain Sprocket Kit Set

DT250 MX 1980. Material: s45c carbon steel ( rear sprocket), 20CrMnTi steel ( front sprocket). 1x o-ring 122 link 520 chain. 1x rear sprocket. 1x front sprocket. More accurate specification from superior machine.

eBay