Hi first thread wrote big long one and didn't post so keep this one short and sweet xt'ers can you help need tyre sizes ain't picked 660r up yet from dealer and has anakee 3 on it would like to no how wide you can go with twin duro rear150/80-17 or less and front 90/90-21dont want tyre rubbing on pipes used too own xt 350 when I was a teen and that could handle motocross knobblies on it how big can I go! Rob

The limiting factor you have to deal with is the 2.75 rim width. A 140/80 is as big as you can go without the beads being pulled in too far in relation to the section width. Even then, a 140 on a 2.75 inch rim gets pulled into an oval, egg-shaped cross section. I always found the handling on road (and off road grip) better with the stock 130. In fact off road, I'd go for a 120 every time.

The 140s (various brands including TKCs) that I tried all tended to wear quicker in the centre because of the change in cross section and there was less mechanical grip because the contact patch is reduced, despite it being a wider tyre. A 150, although it will just about fit between the swingarm, will amplify this problem further (unless you lace a wider rim to the standard hub). Wider is not always better.

Have a read of this thread I started a while back about TKC (TwinDuro) tyre size and speed rating permutaions. It relates to the XTZ, but the principle is the same.

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Cheers Pete saved me wasting money on ill fitting tyres will be getting TKC-80 130/80-17 TT 65s rear and 90/90-21 TT 54s front tyres from pneus online at �125.77 for pair unless anyone else sheds some light on better tyres or just finds a better price delivers free! Francis sorry about contact you on contact us but I am not very good at navigation on these sites but getting hang of it now soon be flying I hope

Are you planning on spending the majority of your time off road?...

Avon Trailriders transformed my R..AND my friends...