jonnyc21 Posted July 9, 2018 Report Share Posted July 9, 2018 MT43’s do have a very stiff side wall. Could be a factor on coming off a rim for sure. How hard he rides it might also be a factor. Good luck. Quote Link to comment Share on other sites More sharing options...
lineaway Posted July 10, 2018 Report Share Posted July 10, 2018 12 hours ago, motovita said: The 250 pound motorcycle is likely a factor. I think the MT43 may have stiffer sidewalls than the Pirellis you used in the old days. The model tire you are talking about is as old as the Aprilia. But that is not the old days! I still have some brand new ones from the seventies! Quote Link to comment Share on other sites More sharing options...
Twinshockandy Posted July 10, 2018 Report Share Posted July 10, 2018 Whilst on the subject of decent Trials tyres, I'm looking for a 3.50x18 (no idea what that converts to in new sizing).............Have found one on ebay, not a known make a far as I know, and I guess at a push it will do the job, - but ? Cannot go 400x18 as it rubs on swing arm Bike is a 70's 123 cota, which originally had 17" rear wheel............ Anyone any idea's ? Quote Link to comment Share on other sites More sharing options...
lineaway Posted July 10, 2018 Report Share Posted July 10, 2018 (edited) Maybe a Shinko as they are a strange shaped tire. SR 241 series. Edited July 10, 2018 by lineaway Quote Link to comment Share on other sites More sharing options...
Twinshockandy Posted July 10, 2018 Report Share Posted July 10, 2018 1 hour ago, lineaway said: Maybe a Shinko as they are a strange shaped tire. SR 241 series. Cheers, mate. Quote Link to comment Share on other sites More sharing options...
motovita Posted July 10, 2018 Report Share Posted July 10, 2018 6 hours ago, Twinshockandy said: Whilst on the subject of decent Trials tyres, I'm looking for a 3.50x18 (no idea what that converts to in new sizing).............Have found one on ebay, not a known make a far as I know, and I guess at a push it will do the job, - but ? Cannot go 400x18 as it rubs on swing arm Bike is a 70's 123 cota, which originally had 17" rear wheel............ Anyone any idea's ? I've seen them here in the USA using inexpensive dual sport tires, Shinko, Kenda, etc. Whatever fits and has a vaguely Trialsy tread pattern. Quote Link to comment Share on other sites More sharing options...
Twinshockandy Posted July 10, 2018 Report Share Posted July 10, 2018 5 minutes ago, motovita said: I've seen them here in the USA using inexpensive dual sport tires, Shinko, Kenda, etc. Whatever fits and has a vaguely Trialsy tread pattern. Thanks motovita, might have to go down that route here in the uk. Quote Link to comment Share on other sites More sharing options...
rabie Posted July 10, 2018 Report Share Posted July 10, 2018 a - most tech data sheets will say something like no tubeless tyre is designed to go below 6 psi (and not risk the chance of rim failure) - now that's not how we all use them but that's what the small print says ... b - all proper trials tyres are 400x18, except the x lights (made in metric @ 120/100/18). you should be able to get trial pattern tyres from mitas, cheng shin and maybe some others but they won't be a trials like (compound, etc) as the rest Quote Link to comment Share on other sites More sharing options...
Twinshockandy Posted July 11, 2018 Report Share Posted July 11, 2018 14 hours ago, rabie said: a - most tech data sheets will say something like no tubeless tyre is designed to go below 6 psi (and not risk the chance of rim failure) - now that's not how we all use them but that's what the small print says ... b - all proper trials tyres are 400x18, except the x lights (made in metric @ 120/100/18). you should be able to get trial pattern tyres from mitas, cheng shin and maybe some others but they won't be a trials like (compound, etc) as the rest Hi Rabie, the tubless issue would not be a problem, as I run tubes; Quote Link to comment Share on other sites More sharing options...
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