M1 / Mk3 front tire

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kaysystems
Posts: 106
Joined: Mon Jan 14, 2013 1:57 pm
Location: Charlottetown, PEI, Canada

M1 / Mk3 front tire

Postby kaysystems » Thu Jun 25, 2026 10:38 pm

I know we have had posts a long time ago about 2.50 - 18 front tire availability. Nothing recent that I can find.
All my web searching finds scooter tires, that I'm not sure about.

Anyone know a supplier of a proper motorcycle tire 2.50-18?

thanks

David
1967 Narrowcase 250
2004 Ducati ST3

graeme
Posts: 1062
Joined: Sun Mar 25, 2012 12:00 am
Location: Tasmania Australia

Re: M1 / Mk3 front tire

Postby graeme » Fri Jun 26, 2026 12:13 am

Dunlop TT100 in GP compound ?

themoudie
Posts: 841
Joined: Sat Jun 14, 2014 12:44 am
Location: Scotland

Re: M1 / Mk3 front tire

Postby themoudie » Fri Jun 26, 2026 9:00 am

Aye David,

I realise that you are in the US and that tyre supplies will be different, but from a European/UK view, MITAS, Continental and Heidenau all are still producing 2.50 x 18 front/rear tyres. Of the 3 manufacturers I would suggest that the Continental would be the softest and the Heidenau the hardest, the latter also tend to have strong sidewalls that make them difficult to fit and get the bead to seat. However, if that is all that you can get and you want to ride the machine that's what you'll fit.

Here is a current link to a European/UK tyre supplier: Moto-tyres.co.uk_2.50x18_tyres

I run a 2.75 x 18 front tyre on my 450 MKIII, with Marzocchi 35mm forks and Grimeca twin sided drum brake, this size gives you a wider range of potential tyre choices and a wee bit more rubber on the road.

Hope you find something to your liking.

Good health, BillR

blethermaskite
Posts: 636
Joined: Thu Mar 01, 2018 1:06 am
Location: Scotland

Re: M1 / Mk3 front tire

Postby blethermaskite » Fri Jun 26, 2026 9:46 am

The best quality small size tyres I have ever found are Metzeler ME22, I have been using these for years great value, brilliant road holding under even extreme riding situations.......can't fault them.
Cheers George

kaysystems
Posts: 106
Joined: Mon Jan 14, 2013 1:57 pm
Location: Charlottetown, PEI, Canada

Re: M1 / Mk3 front tire

Postby kaysystems » Sat Jun 27, 2026 7:22 pm

Well, after searching. I've looked at these great suggestions. Shipping to Canada is ridiculous. Looks like I'll wait to purchase, the next time I'm back home in the UK and figure out getting it on the plane with me.

I must use a 2.50 Some tyres come in 2.75, but I know the hard way that it won't fit

David
1967 Narrowcase 250
2004 Ducati ST3

Northracing
Posts: 18
Joined: Thu Aug 31, 2023 5:26 pm

Re: M1 / Mk3 front tire

Postby Northracing » Sat Jun 27, 2026 11:11 pm

Finding small tire and tube sizes in Canada is a challenge. Last year I needed tires for a very old Yamaha which took a 2.50 x 18 front. Nothing in the major tire manufacturers. Some of the Asian tires have improved in quality, I ended up ordering a set of Duro tires from Fortnine that had a tread pattern that looks a lot like what Continental used in the 70s. They seem to work fine, no problems - this is a fair weather bike that does not see too many miles but I suspect the tires on it now are as good as anything available in the 60s.


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