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#523079 - 01/15/14 6:46 am Need advice on what brand of tyre for 1969 T120R  
Joined: Jan 2014
Posts: 7
BonzerT120R Offline
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BonzerT120R  Offline
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Posts: 7
Australia
Hi



I am picking up a 1969 Triumph Bonneville next week.
I want to replace the tyres on the bike,would anyone be-able
to advise me on what make of tyre to use.
thanks

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#523080 - 01/15/14 7:17 am Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Aug 2001
Posts: 1,799
Kevin (NZ). Offline
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Kevin (NZ).  Offline
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Joined: Aug 2001
Posts: 1,799
Christchurch, NZ
Welcome to the forum Bonzer.

You will get some good replies here. I see you are retired so I am guessing you are looking at using the bike as a weekend rider.

You also did not ask what was original or would look like original, period correct.

If that is the case then the guys here will soon state what tyres they prefer riding around on.

What part of Oz are you in, some tyres may handle the heat better than others.


Why, Y, Dash Y..



#523081 - 01/15/14 7:44 am Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Aug 2001
Posts: 865
Dennis B Online content
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Dennis B  Online Content
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Posts: 865
Annapolis, MD
Hi Bonzer

are you a weight lifter?
that's an impressive lift ;^)

but seriously
I use Avon AM26 tyres (we call them tires)
AKA Roadriders
on your bike I recommend 4.00X18 on the rear
and 3.25X19 on the front
you won't be disappointed with the ride
HTH
Cheers
Dennis B


Member # 182
'73 750 Commando
'72 Combat Commando
'71 Triumph Blazer
'69 Victors
'68 Starfire
'51 Royal Enfield 250 'S'

#523085 - 01/15/14 8:07 am Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Nov 2005
Posts: 7,216
JubeePrince Online content
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JubeePrince  Online Content

Life member

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Back on the mainland!
Welcome to the forum Bonzer -

Tire sizing has changed quite a bit over the last 40+ years, so selecting the correct "modern" size tire is important too....

You can find some good information on that topic here:

http://www.britbike.com/forums/ubbthread...true#Post454425

Cheers,

Steve


'77 T140J
"Vintage Bike". What's in your garage?

"The paying customer is always right."

Fitting round pegs into square holes since 1961...
#523118 - 01/15/14 1:09 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Aug 2001
Posts: 678
John Bakker Online content
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John Bakker  Online Content
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Joined: Aug 2001
Posts: 678
Midland, Ontario, Canada
Kevin,
I like the Dunlop K70 tires as they look correct and are still available with better compounds than when the bikes were new. 4.00x18 on the rear, 3.25 or 3.50 x19 on the front. If you want a sportier tire, that still looks period correct, then the Dunlop K81 (TT100) is also an excellent tire.
John

#523119 - 01/15/14 1:20 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Sep 2007
Posts: 223
750 Tracker Offline
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750 Tracker  Offline
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Posts: 223
Vermont
I still use the K70 because they are correct for my 70 Bonneville & I only ride it weekends, so mileage is not important. The K70 is still a good tire.
But.. be careful of sizes. Front fender bracket and rear chain clearances are pretty tight. Try to stay close to the original 3.25 front & 4.00 rear. And just because the tire is marked that size doesn't mean they're all the same. Rim widths will also affect the mounted width of a tire. Here in the U.S., our Department of Transportation allows a small variance in actual tire width. Most tire manufacturers have charts that show the actual size when mounted on a particular width rim.

#523120 - 01/15/14 1:20 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Dec 2010
Posts: 621
tbird649 Online content
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tbird649  Online Content
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Sunny Sussex, UK
Nice Bike! It is Dunlop K81 / TT100 's for me.



#523127 - 01/15/14 2:02 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: tbird649]  
Joined: Oct 2012
Posts: 3,098
Hillbilly bike Online content
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Hillbilly bike  Online Content
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Running from demons in WNY
I like Bridgestone Spitfires if the original look is not important.
Good inexpensive tire is the Kenda 657. A modern tread design that is better than you might think


650 Triumph modified production LSR record holder 133.1 MPH... Twin 650 engine Triumph LSR that goes sorta fast...
#523135 - 01/15/14 2:42 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Jun 2007
Posts: 5,450
HawaiianTiger Online content
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HawaiianTiger  Online Content

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Posts: 5,450
Maui Hawaii
I was using Dunlop D404's for a long time, but they seem to last a year before the sidewall cracked and they wouldn't pass safety inspection.
So...I've been using Duro's an Asian tire. So far the sidewalls are still perfect and wear and performance are at least as good as the Dunlops.

And, very important to me, the price is right.

K81's wear out too fast. 3k miles tops.

But...like the Dunlops, they don't look period, but I rate safety over looks. (I wear a helmet, too)

K70's skid around too much for me. It's a better tire for fire-roading in my opinion.

Bill

Last edited by HawaiianTiger; 01/15/14 2:45 pm.

Bikes
1974 Commando
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Antique Fans: Loads of Emersons (Two six wingers) plus gyros and orbiters.
#523189 - 01/15/14 10:53 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: HawaiianTiger]  
Joined: Jul 2009
Posts: 34
KWR Offline
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KWR  Offline
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Chicago, IL
Avon Roadriders for me as well. Really improve the handling/safety of the bike even if you are not carving corners (which the Avons excel at).

My $.02

Ken


1967 T120
#523375 - 01/17/14 1:39 am Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Jan 2014
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BonzerT120R Offline
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BonzerT120R  Offline
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Australia
Hi I appreciate the input from everyone,it will probably
be the K81 or the Avon i will use.
I also have a couple other issues that have to be rectified.

Thanks again for the help.

#523577 - 01/18/14 5:07 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Aug 2011
Posts: 31
johnhannah Offline
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johnhannah  Offline
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Posts: 31
Western North Carolina
I have been using Michelin Pilot Activ tires on our bikes lately. There are the correct 3.25 /19 and 4.00/18 sizes available.They handle better than any tire I have used in recent years and are reasonably priced.The 70 TR6R was transformed from skittish with the K-70s to a backroad handler.

#523625 - 01/19/14 2:51 am Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Dec 2002
Posts: 3,227
leon bee Offline
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leon bee  Offline
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Posts: 3,227
arkansas
I hadn't seen those Michelins yet, went and checked them out at a few sites- they look pretty good.

#523646 - 01/19/14 9:02 am Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: May 2007
Posts: 1,476
GaCracker Offline
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GaCracker  Offline
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Johns Creek,Ga
I've had a 4.00/18 Michelin Pilot Activ on the rear of my TR6 for a couple of years. They don't grip like the previous Continental GOs, but show very little wear and ride well. I will probably put one on the front when the time comes. Greg


72 TR6RV
2004 Thruxton
#524595 - 01/24/14 11:50 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Jan 2014
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BonzerT120R Offline
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BonzerT120R  Offline
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Posts: 7
Australia
Hi Finally have the bike at home,the tyres that are fitted to the bike are Bridgestone Battlax BT45F,they have plenty of tread and seem to be in good condition.
I am hoping the tyres will fine to use.

#524597 - 01/24/14 11:56 pm Re: Need advice on what brand of tyre for 1969 T120R [Re: BonzerT120R]  
Joined: Feb 2008
Posts: 4,047
Tridentman Online content
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Tridentman  Online Content

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Posts: 4,047
New Jersey USA
Bonzer-it is generally reckoned that when tires get to 6-7 years old that they harden and the roadholding capability deteriorates.
Unless you are sure that the tires are less than that age you IMHO would be well advised to fit new tires.
Our only contact with terra firma when we are riding is those two little patches of rubber and one slide up the road into the path of an oncoming truck could be your last.
Your decision------
HTH


Moderated by  John Healy 


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