Models: 2009-2013 Yamaha YZF 250/450F ‍

Machined from 6061 Aluminum

Manufactured in North Idaho with a high tech Doosan CNC mill and a little bit of old school pride !

*These extensions will only work on bikes with a 25 M.M. axle diameter.

*Stock Brake Line will work

*Flat head screws and lock nuts provided for the chain guide, Countersink the inside of the chain guide bracket, run the flat head on the inside of the swingarm and the lock nut on the outside for tire clearence

*Use blue loctite on the mounting bolts to the swingarm

*Run chain slightly tighter than stock spec