Material: 45# steel It's abrasion resistance is 3 times times that of an ordinary sprocket. Size Installation size: 21.7X25mm Number of internal teeth: 13 Number of external teeth: 520-15 teeth Total thickness: 5mm

Fit for Motorcycle models

For Yamaha Road DT400  75-76 XT400  81-82 XT500 D,E,F,G,H  77-85 XT500 Germany86- TT500 D,E,F,G  77-80 MT-25 Japan16-18 TDR2503CK,3CL 88-90 TZR2501KTJapan87-88 TZR2502MA,2XW 87-92 TZR250 R V-Twin3XVJapan91-94 TZR250 RC3MA-1Japan89 TZR250 RC Reverse Cylinder3MA-3/5Japan90 TZR250 SP Sports Production3MA-4Japan90- YZF-R25 Japan15-18 MT-03 (MTN320-A)B082 16-20 YZF-R3  15-20 YZF-R3 Monster Energy Moto GP Edition USA20-21 FZ4004YRJapan97

1.Your parcel will be shipped out within 3 business days after you pay the order. 2.You can choose the shipping method before you pay it. If you want to use other shipping method, you can contact us. 3.If you don't receive your parcel, you can contact us, we will track it and extend the protection time. 4.The shipping cost does not include any import taxes, and buyers are responsible for customs duties.