Description:

Made in USA by Vortex Racing, this 520 chain conversion kit includes a case hardened steel front sprocket and a precision machined aluminum lightweight rear sprocket with the option of the EK 3D 520Z chain.

The front sprocket featured drilled lightening holes to reduce rotating mass.

This conversion kit keep your gearing stock while converting the chain to a 520 size.  If you'd like a custom gearing setup, send us an email and we can get you any tooth size for the sprockets you like.

Front Sprocket : Case Hardened Steel - 16T
Rear Sprocket : Lightweight Aluminum - 41T
Chain (Optional) : EK 3D 520Z - 120 links
Sprocket Nuts (Optional) : Proti Fully Forged Titanium Sprocket Nuts

Fits:

Yamaha YZF R1 - 2015 to 2024
Yamaha YZF R1M - 2015 to 2024