Specifications Hign-concerned Chemical:None Special Features:Anti-shake, Strong Rigidity, High Hardness Item Weight:0.25kg External Testing Certification:CCC Model Name:ASDL-11058 Brand Name:ASDL Origin:Mainland China Material:45# Steel Item Type:Sprockets Teeth:15T 16T 17T Chain:520 Model Name:Front Rear Material Type:45# Steel Special Features:Refit Motorcycle transmission system Product Description Material: 20CrMnTi Alloy Steel ; It's abrasion resistance is 3 times times that of an ordinary sprocket. Fit for 17T For KT/M Off Road 620 EGS-E Adventurer 98 620 SC Supermoto 00-01 625 SMC 05-06 640 LC4 Super Moto 99-06 660 SMC 05-06 For KT/M Road 620 Du/ke 95-98 640 LC4 Du/ke II 00-06 690 Rally 09-10 690 SM 08-09 15T For KT/M Off Road 400 EGS-E 96-98 400 LC4 Enduro 97-01 400 LC4 E Enduro 97-01 400 LSE 97-98 600 LC4 Enduro 88-93 600 LC4 MX 89-92 620 LC4 Enduro 94 620 LC4 MX 94 94 620 LC4 SX Motocross 95-98 620 SC Super Competition 95-96 625 LC4 Supercompetition 02 690 Enduro 08-10 690 Enduro R 08-21 690 SM 07 16T For KT/M Off Road 690 Du/ke 08-19 690 Du/ke R 10-17 690 SM R 08-09 690 SM Ltd. Ed. 10 690 SMC 08-11 690 SMC R 12-17 690 SMC R 19-21 790 Adventure 19-20 790 Adventure R 19 19-20 790 Adventure R Rally 20 790 Du/ke 18-20 790 Du/ke L 18-20 890 Du/ke R 20 890 Adventure 21 890 Adventure R 21 890 Adventure R Rally 21 17T 15T 16T Customer Service: If you want to Wholesale, please contact us If you can't confirm the product if fit your motorcycle , please contact us Looking forward to your cooperation! Shipment: The shipping cost does not include any import taxes, and buyers are responsible for customs duties. Please provide us your full Name and Address in English! (Buyers from Russian Federation need to provide us your full 3 words name in English)Telephone number is also a very important information to send via Express! 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. Feedback 1.If you have any questions or problems.please feel free to contact us first before leaving any neutral or negative feedback. 2.if you are satisfied with our item ,please remember give us positive feedback and 5 star,Thank you ! 3.Don't hesitate to email us if any questions, we will reply in 12 hours