SunStar Yamaha R3 Front Sprocket 520 C/S (Chromoly Steel) Sprockets:13T OEM Honda Ruckus Drive Belt

OEM Honda Ruckus Drive Belt is a direct replacement

Removes heavy filter oil

000 RPM Display unit: 10 RPM

It does require modifying your frame and welding

SunStar Yamaha R3 Front Sprocket 520 C/S (Chromoly Steel) Sprockets:13T OEM Honda Ruckus Drive BeltConstructed of the same great quality and specifications that the Japanese OEMs have trusted and used since 1946 Manufactured from case hardened Chromoly steel for unparalleled strength and durability Most race applications feature drilled weight reduction holes (depends on application tooth size) Parkerizing surface treatment prohibits rust and corrosion, building resistance against those agents, resulting in a longer lasting, better appearance