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Tyres for T140E #124933
09/27/07 12:59 pm
09/27/07 12:59 pm
Joined: Sep 2007
Posts: 45
Bonnie (!) Scotland
Ally-b Offline OP
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Ally-b  Offline OP
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Bonnie (!) Scotland
What tyres would you guys recommend for 1980 T140E ?
I ride year round , and it's cold and wet here smile

My front (Metzeler) is OK but the rear (Avon Roadrunner) is starting to show cracks on the sidewall eek - so its time to change .

All my manuals have the size as 4.10 x 19 and 4.10 x 18 - what are the modern equivalant sizes ?

Thanks,
Al.


1980 T140E
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Re: Tyres for T140E #124934
09/27/07 1:09 pm
09/27/07 1:09 pm
Joined: Jun 2002
Posts: 9,960
Scotland
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Stuart Offline
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Stuart  Offline
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Scotland
Hi,

There was a thread only recently on this very subject - do a search.

Avon recommend 3.25x19 front and 4.00x18 rear AM26 Roadriders for the T140.

Hth.

Regards,

Re: Tyres for T140E #124935
09/27/07 1:18 pm
09/27/07 1:18 pm
Joined: Aug 2006
Posts: 706
NSW Australia
BrianFromOz Offline
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Al...heres a recent tyre thread i started...it will either help or confuse u more laugh

Tyres


..i have a set of Avons on order at present ....
AM26 Roadriders 3.25/19 & 4.00/18

cheers


"What are you rebelling against?
What have you got?"

77 T140V

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Re: Tyres for T140E #124936
09/27/07 1:24 pm
09/27/07 1:24 pm
Joined: Aug 2006
Posts: 706
NSW Australia
BrianFromOz Offline
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damn...beaten into second again!..... laughing


"What are you rebelling against?
What have you got?"

77 T140V

Is Your Bike Here?
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Re: Tyres for T140E #124937
09/27/07 1:50 pm
09/27/07 1:50 pm
Joined: Sep 2007
Posts: 45
Bonnie (!) Scotland
Ally-b Offline OP
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Ally-b  Offline OP
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Bonnie (!) Scotland
Thanks guys . bigt

I've found a 100/90-18 AVON AM26 ROADRIDER as a replacement for the rear for 54 . I think it should be similar to 4.10x18 . What do you reckon ?

When I had my '68 Bonnie I could go into my local shop for tyres and the only decision I'd have to make was TT100's or Roadrunners laugh

All these modern numbers do is confuse my old mind confused

Al.


1980 T140E
Re: Tyres for T140E #124938
09/27/07 5:17 pm
09/27/07 5:17 pm
Joined: Jun 2002
Posts: 9,960
Scotland
S
Stuart Offline
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Stuart  Offline
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Scotland
Hi Al,

Quote:
Originally posted by Ally-b:
I've found a 100/90-18 AVON AM26 ROADRIDER
I think it should be similar to 4.10x18
You'd be right. Likewise, you can also fit a 100/90x19 on the front in place of the 4.10x19.

Hth.

Regards,

Re: Tyres for T140E #124939
09/27/07 7:08 pm
09/27/07 7:08 pm
Joined: May 2006
Posts: 2,610
London United Kingdom
meriden4ever Offline
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meriden4ever  Offline
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London United Kingdom
I recently read in Real Classic that they felt Triumphs were better on Dunlops and Nortons better on Avons ...that said, I try to stay OEM as possible so ride on Avon Roadrunners except on the Tiger Trail where (Gott in Himmel !) Continental Twinduros give good performance and the front tyre of the T-Bird where a Speedmaster seems suited for the lighter cycle


1983 TR65T Tiger Trail
1983 TSSAV
1983 TSX
1983 TR65 Thunderbird
1982 TR7T Tiger Trail
Re: Tyres for T140E #124940
09/27/07 10:31 pm
09/27/07 10:31 pm
Joined: Jul 2007
Posts: 594
australia
6
649 Offline
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649  Offline
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australia
aint nuthin wrong with TT100s...the new Goden Vincents have them, and they are cheap as , and look the part


1970 tr6r dryframe
Re: Tyres for T140E #124941
09/27/07 11:29 pm
09/27/07 11:29 pm
Joined: Mar 2006
Posts: 3,732
gastonia nc
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raf940 Offline
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gastonia nc
i put tt100s on my bonneville.it has a T140 frame,,,,at first i felt like i was on tiptoe because the handling seemed lighter and quicker...but when you lean over it is very solid..the tiptoe part is because the contact patch straight up is 2 inches or so wide.


1972 Triumph T120
1968 BSA A65
1968 MGB Roadster
1979 Chevrolet Camaro Berlinetta
1969 Honda Mini Trail
1939 farmall f30 tractor
2004 Honda Shadow Aero
1972 BSA Thunderbolt
1975 yamaha xs650b
1972 Norton commando project
Re: Tyres for T140E #124942
09/28/07 3:00 am
09/28/07 3:00 am
Joined: Jun 2002
Posts: 9,960
Scotland
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Stuart Offline
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Hi,

Quote:
Originally posted by 649:
aint nuthin wrong with TT100s...
I beg to disagree.

1. Depending on your weight (the lower the worse) and the sophistication (the cruder the worse) of the rear suspension, at high speeds (80+), a TT100 on the front, due to its small contact patch due to the trigonic cross-section, is a horrible front tyre - I owned a T160 from brand-new and its high-speed straight-line handling meant I never suffered from constipation. wink However, I appreciate that, these days, we're all probably a little(?) heavier, we've fitted something better than Girling rear shocks. and 80 for a T140 (except off a cliff) is probably academic ...

2. Avons are still made in GB while TT100's are made somewhere in the Far East.

Hth.

Regards,

Re: Tyres for T140E #124943
09/28/07 5:31 am
09/28/07 5:31 am
Joined: Jul 2007
Posts: 594
australia
6
649 Offline
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649  Offline
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australia
tt100s are made in japan


1970 tr6r dryframe
Re: Tyres for T140E #124944
09/28/07 5:31 am
09/28/07 5:31 am
Joined: May 2007
Posts: 76
Sedona, Arizona
John Cahill Offline
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Sedona, Arizona
hi, guys
I just got an old 1980 Bonneville and am busily getting it set up to run regularly. I just put 3.25 x 19 K70's on the front and 4.00 x 18 K70's on the rear. I find that it has a nice vintage feel and look to it, nicely balanced. I am sure the Avon Roadriders will give better performance...but at least I can verify the sizes work *grin*

regards,
John


1979 1/2 Bonneville T140E
1993 Mazda Miata
2001 Jeep Wrangler
Re: Tyres for T140E #124945
09/28/07 5:34 am
09/28/07 5:34 am
Joined: Jul 2007
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australia
6
649 Offline
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649  Offline
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australia
I had K70s ...the TT100s are noticeably better in every way...the K70s are too square a profile, and the bike immediately felt much much better...k70s are good for the vintage look and putting around but dont like pushing into a corner


1970 tr6r dryframe
Re: Tyres for T140E #124946
09/28/07 9:43 am
09/28/07 9:43 am
Joined: May 2006
Posts: 2,610
London United Kingdom
meriden4ever Offline
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Contemporary test in Classic Bike similarly criticised K70s fitted as OEM on the TR65 Thunderbird but Bike magazine test seemed to like 'em whilst Motorcycling tolerated them too albeit through gritted teeth, MCN tolerated them and MCW only warmed to them after initial scepticism once they'd worn...if you can afford the safest, fit 'em !


1983 TR65T Tiger Trail
1983 TSSAV
1983 TSX
1983 TR65 Thunderbird
1982 TR7T Tiger Trail
Re: Tyres for T140E #124947
09/28/07 12:44 pm
09/28/07 12:44 pm
Joined: Jul 2007
Posts: 594
australia
6
649 Offline
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649  Offline
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australia
has anyone had any luck with bridgestone BT45s...used them on airhead BMWs with success, and they are fussy about tyres...


1970 tr6r dryframe
Re: Tyres for T140E #124948
09/29/07 12:54 am
09/29/07 12:54 am
Joined: Aug 2006
Posts: 56
Tolland, CT, USA
sparklow Offline
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Tolland, CT, USA
At the risk of being non traditional, I can suggest Dunlop 404's. I replaced the K81's on my 1978 Bonneville with the 404 tires, 100/90 19 front and 110/90 18 rear, and I have been pleased with the performance. I know that they work well in the wet too cause I've been rained on.


'78 T140E
'79 XS650
Re: Tyres for T140E #124949
09/29/07 1:01 am
09/29/07 1:01 am
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australia
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649 Offline
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649  Offline
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australia
I think we can ascertain as like oil questions this one has no one answer, and no right or wrong answer...


1970 tr6r dryframe
Re: Tyres for T140E #124950
09/29/07 1:53 am
09/29/07 1:53 am
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Posts: 706
NSW Australia
BrianFromOz Offline
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your right there 649.....buts its always good to know what works and what doesnt......and like all the info here on this board it gives a good cross section to pick from....i sure learnt alot about "modern" bike tyres before ordering mine.....especially when u have to deal with "modern" bike shop staff!
bigt


"What are you rebelling against?
What have you got?"

77 T140V

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Re: Tyres for T140E #124951
10/03/07 3:09 am
10/03/07 3:09 am
Joined: May 2007
Posts: 9
New Zealand
mouse Offline
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New Zealand
Have used the cheap Dunlop K81 TT100's for past 17 years on a street/touring t140E, never had any issues. If you were to ride at higher speeds i guess higher speed rated tyres would be worth considering.
I get around 6000 to 7000 miles out of a rear tyre before it become near unsafe.


I'm not a complete idiot, some parts are missing.
Re: Tyres for T140E #124952
10/03/07 11:49 am
10/03/07 11:49 am
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australia
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649 Offline
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yep under $100 a piece they're a bargain


1970 tr6r dryframe
Re: Tyres for T140E #124953
10/03/07 1:58 pm
10/03/07 1:58 pm
Joined: Aug 2007
Posts: 160
England
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Paul744 Offline
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England
Quote:
Originally posted by Stuart:
Hi,

Quote:
Originally posted by 649:
aint nuthin wrong with TT100s...
I beg to disagree.

...and 80 for a T140 (except off a cliff) is probably academic ...

2. Avons are still made in GB while TT100's are made somewhere in the Far East.

Hth.

Regards,
If I had a T140 that wouldn't cruise comfortably at 80mph I'd chuck it off a cliff smile

Re: Tyres for T140E #124954
10/03/07 9:27 pm
10/03/07 9:27 pm
Joined: Apr 2006
Posts: 190
Sydney Australia
R
retired-fireman Offline
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Sydney Australia
649 Hi,
I use the Bridgestone BT45's on my TR7 and it handles really well. On the front a 325/19 and the rear is a 120/90/18 and yes it does clear the stock chainguard by a couple of millimeters. I have always thought the 110/90/18 rear looks too skinny on the rear so I tried the slightly wider 120 and it works well. These tyres are well priced over here in Ozz and they wear well. I'm sure someone will give a long winded technical reason about why you can't fit these sizes to the T140 and why you MUST fit Avon tyres laugh , but I have owned this bike for 31 years and these tyres work well. Hope this helps

Re: Tyres for T140E #124955
10/04/07 1:11 am
10/04/07 1:11 am
Joined: Jun 2002
Posts: 9,960
Scotland
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Stuart Offline
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Stuart  Offline
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Scotland
Hi,

Quote:
Originally posted by Paul744:
"Made in France",
(maybe they were old stock)?
They were *very* old stock. eek

When Dunlop was a British-headquartered company, TT100's, certainly for European distribution, were made in France. However, when Dunlop became a Japan-headquartered company (and Fort Dunlop in Birmingham an upmarket shopping centre frown ) many years ago, all production was moved to various Far Eastern locations afaik.

Quote:
Originally posted by Paul744:
If I had a T140 that wouldn't cruise comfortably at 80mph I'd chuck it off a cliff smile
Tch ... only one bite. frown

Hth.

Regards, wink


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