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Hi all im after a new set of tyres, what sizes will fit without hitting my swingarm/ mudguard? will 120/90/18 fit on the rear?

and will 90/90/21 fit the front?

cheers



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Hi Nathan

Lots of tyre information here that might help wink

Brian



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Don't go too big on the rear either a 120/80 - 18 or a 120/90 - 18 too large a tyre will rob power & effect the handling, 250cc dirt bikes need some slip on the rear, if you put too large a tyre on the bike won't turn.

I have been using MT21's on my WRR & D606's on the TTR, the MT21's on the WRR turn in really quick, the D606's don't turn in as quick & do have a small amount of slip or understeer on the front.

If you run the 120/90 on the rear drop the gearing to a 13T on the front to keep the gearing the same

Cheers Terry

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