Honda-SOHC
SOHC.co.uk Forums => CB500/550 => Topic started by: David_N on September 01, 2025, 09:37:31 AM
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I'll soon be reaching a point where I'll be wanting to road test my 550k 4.
The front tyre is a brand new ContiGo 3.25 - 19 while the rear is a knackered 120/90 18 Cheng-Shen
Can someone please advise me on what tyre size the bike should have to match the front? I don't think there's any point throwing a perfectly good front tyre in the bin.
Thanks
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The size should be 3.50 x 18,
But they are difficult to get
I fit 4.00 x 18
At present have a Bridgestone BT46,
it suits me
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As John says 3.50 x 18 but if you cant get that 4.00 x 18 Conti K112 i think
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Dunlop k82 is still available in 350-18, Has a similar tread pattern to the old tt100.
Regards
Dave
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Ah the TT 100 3.5x18 is equivalent to the English 3.25x18, you need the 4.10x18 to be same as English 3.50x18.
Confusing i know but every person in a dealers was rammed with the info when the TT 100 came out
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Will these suggestions be okay to mix with the continental contigo that's goes to the front?
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Personally i wouldnt i would get a conti
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Will these suggestions be okay to mix with the continental contigo that's goes to the front?
I wouldn't fit a TT100 ,they were reputed to have a triangular profile,
Could cause issues
Fit a standard rounded profile tyre
The BT46 or Conti should work
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100/90x18 is euivalent
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I've bought a good few Honda 500's both new and used, and always fitted TT100's to them, as I have with the Benelli Sei and the CB750's. They're standard fit on the Trident, too.
To me, they are the perfect tyre, except for wear rate, which can often seem a little high. I usually manage around 4000 miles from a rear, and more from a front tyre. I've ridden friends bikes of the same type as mine fitted with modern tyres that appear to have a lower profile, and they just feel odd, perhaps because of my familiarity with TT100's.
When I was buying new in the 1970's, the dealer that I used most would always recommend a change to TT100 tyres, always 4:10 front and rear, although the 3:60 was available for the front, even then.
Perhaps it's just a habit that's stayed with me ever since, but I've never seen the need to move away from them?
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Just enter your bike type here and see what comes out
https://www.dunlop.eu/en_gb/motorcycle.html#/tire-finders/find-by/vehicle/MotorCycle