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444-PitCrew
October 7th, 2013, 05:51 PM
The rules state to use OEM wheels, but I also see guys running wider tire widths, like a 150/60 rear (130 is stock 250). Are the stock wheels being widened at all for the wider tires? Or is that not permitted and the OEM wheels must remain stock?
rybo
October 7th, 2013, 06:35 PM
OEM wheels must remain stock

Those riders are experimenting ( some successfully) with different tire sizes on the unmodified stock wheels.
444-PitCrew
October 8th, 2013, 08:56 AM
Got it, thank you..