Should I be running a 90/90 or 80/100-21 front tire?

Whats the difference? What size front tire do you guys run? 80/100-21 or 90/90-21?

JD :)

:)

The way I understand it is they are both the same, just the way the manufacturer measures them differs

Dunlop 80/100 = Michelin 90/90 :):D

Yea, Michelin runs some weird numbers. Their rear 140/90-18 is really like a 120/80-18 from Dunlop. Make sure you run the 140'S since the knob sizes are larger than on the smaller sizes. :)

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