Stupid Mistake...now What?

I just bought a new Dunlop D952 for my YZ426. However I got the wrong size (bought a 100/90-19 and the stock tire is a 110/90-19:bonk:). Unfortunately, I bought it from a bike shop that just closed its doors (got it on the last day), so returning it for the correct size isn't an option.

I know the tire will physically fit the wheel. But how much traction am I going sacrifice going with the smaller tire? Will it be enough to really notice?

Or should I just go and get the correct size tire from another store?

i just put on a "free" new 100 on my 450:bonk: ,and actually it's not bad.the only reason i put it on is because it was free,but really i can't complain.surprisingly i thought i'd be able to tell a difference on some long,steep hill climbs,but so far so good.the only real thing i have noticed is that i've ripped quite a few knobs off within in the first few rides...thats a big thumper for ya:smirk: i say run it till the knobs are gone:thumbsup: nothing like fresh meat,even if it is smaller:banana:

I put a 100 on my 05 and I noticed a difference but it is rideable for sure. I plan on running mine till its wore out or I decide i dont like it.

The smaller tire should weigh noticiably less, and you should be able to feel it when your turning, it should be sharper.

But yes, you will lose a little traction, and less rotating mass which might scare you in the air if your controlling your bikes pitch.

Just ride it, ware it out and look carefully next time you purchase a tire.

Been there...Like they say just use it,maybe adjust pressure to account for less ground contact

I just bought a new Dunlop D952 for my YZ426. However I got the wrong size (bought a 100/90-19 and the stock tire is a 110/90-19:bonk:). Unfortunately, I bought it from a bike shop that just closed its doors (got it on the last day), so returning it for the correct size isn't an option.

I know the tire will physically fit the wheel. But how much traction am I going sacrifice going with the smaller tire? Will it be enough to really notice?

Or should I just go and get the correct size tire from another store?

not much. put in on tear it up. you may find it will work better!

Thanks for all the input. Gonna put it on and see how long it lasts. My last tire lasted for almost two years.

You could probably get another shop to let you exchange it for a diffrerent size.

see if this thought process works for you -

your new tire should have a slightly smaller, overall diameter - but not necessarily.

Your first step would to be adjust your ride height by pre-loading or unloading your rear shock. There is a youtube video:

http://www.youtube.com/watch?v=n-Ih69ASDfs

because your rear tire diameter is slightly smaller - you should have more grunt down low but suffer a bit of top speed in gears.

You may also have more problems slogging through mush as your rear wheel will be more prone to spin. On harder surfaces you will be prone to tearing blocks.

adjustment of tire pressure should solve both of these issues

slightly less if there is lots of mush, slightly more on harder surfaces

caslo

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