520 Front Sprocket for KT/M 125 144 150 200 250 300 350 380 400 450 500 505 520 530 EXC Enduro Six Days MXC SX SXS XC-W/F EXC-F

High-concerned chemical：None Item Diameter：cminch External Testing Certification：iso9001 Model Name：520CHAIN Brand Name：ASDL Origin：Mainland China Item Type：Sprockets Material：20CrMnTi

High-concerned chemical: None Item Diameter: cminch External Testing Certification: iso9001 Model Name: 520CHAIN Brand Name: ASDL Origin: Mainland China Item Type: Sprockets Material: 20CrMnTi