M203 how wide.

2 replies to this topic
  • Mtrain730

Posted March 20, 2014 - 08:27 AM


Hey guys I'm throwing a new front tire on my bike I'm gonna try a brigestone m203 it came recommended for some thing too try for my terrain. It was mentioned too try a 90/100/21 but my bike comes stock with 80/100/21. Is that ok or should I just stick with the 80/100/21. Thanks. By the way I'm gonna run a mx51 110/80/19 in the rear because I already have a brand new one if that makes a difference

Edited by Mtrain730, March 20, 2014 - 08:32 AM.

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  • grayracer513

Posted March 20, 2014 - 09:10 AM


The 110/80 is not really the right tire.  It's a low profile version of a 110/90.  Your choices should be between the 120/80 and the 110/90.  The 110/80 will work, but it may seem "small".


I run the M203 on mine in 90/100x21, and it's the best tire I've tried so far in the SoCal deserts, which are a mix of very size rock there is from boulders to sand, silt, hard packed alkali soils, pretty much everything except real topsoil or loam. 

  • Mtrain730

Posted March 20, 2014 - 02:51 PM


I apologize gray it was a 110/90. My mistake. So the the 90/100/21 is just a little a little wider than the 80/100/21 I take it and I'm gonna assume you like how it handles. I have recently gone too 110 instead of 120 in the rear ill have too try it with the 90/100/21. Appreciate it as always.

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