BikeMaster Yamaha Front Sprocket 520 15T 1978-gmc-k15-sierra-classic-esi4511400 Spare tire access is incorporated

Spare tire access is incorporated in the design

as well as reinforced mounts for 3/4 in

5"round T-304 stainless steel tips on each tail pipe

firewall pass through grommet

BikeMaster Yamaha Front Sprocket 520 15T 1978-gmc-k15-sierra-classic-esi4511400 Spare tire access is incorporatedMeticulously engineered using the highest quality materials and industry leading technology to provide the best replacement sprockets for your motorcycle. BikeMaster Front Sprockets are machined from 20CrMnTi, shot peened for longer wear and heat treated for extended durability. A perfect match for the BikeMaster line of chains. Reliable construction ensures consistent wear resistance across all available tooth counts and models in the series