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#389891 - 08/16/11 8:40 am Tyre advice sought  
Joined: May 2011
Posts: 11
Triumph Thaiger Offline
BritBike Forum member
Triumph Thaiger  Offline
BritBike Forum member

Joined: May 2011
Posts: 11
Phuket, Thailand
Hello all.
I have a 1971( frame)/1972 engine T120 R.
I need a new rear tyre. Front tyre 3.5 x 19 is a new Dunlop K70.
I know it's supposed to be a 3.25 x 19 but here in Thailand 3.25 "No have, no have ".
As a rear tyre, recommended size is 4.00 x 18 but in Thailand I can only get K70's in 19 inch sizes. "No good, no good."

I can get a 4.00 x 18 K87 however . I do not know this tyre from experience.I'd like a narrow-ish rear tyre ,unlike the rather massive Conti it has now ( and which makes it steer like rubbish). In your opinion does a K70 front and a K87 rear make a good combination ?
Thanks in advance.


Single carbed Triumph T120 R 1971/72 mongrel
BSA M20 Sunday Morning Blast Weapon 1939 (under construction)
Moto Guzzi V7 Special 1971
Moto Guzzi V50/65 track bike
Dnepr MT 16 with side car
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#389893 - 08/16/11 9:01 am Re: Tyre advice sought [Re: Triumph Thaiger]  
Joined: Jul 2005
Posts: 603
6T Offline
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6T  Offline
BritBike Forum member

Joined: Jul 2005
Posts: 603
back down the 'smoke',England
...dunno about the K87 TT?Couldn't you ask an Aussie to bring you a tyre over(bit of a laugh getting it in the overhead locker tho)!
I now a lot of them travel light.Cheers!


...I do not and cannot accept the principal that incompetence justifies dismissal...
BMW R1100rt
6T 1965
T110 1958
#389920 - 08/16/11 1:29 pm Re: Tyre advice sought [Re: Triumph Thaiger]  
Joined: Nov 2010
Posts: 2,791
kurt fischer Online content
#irideslow
kurt fischer  Online Content
#irideslow

Joined: Nov 2010
Posts: 2,791
Arlington, Massachusetts, USA
I've used K87s front & rear for years on my 650 Tiger, like 'em.

Pics here (scroll down a bit):
http://www.britbike.com/forums/ubbthreads.php?ubb=showflat&Number=110523&page=37


Kurt
1968-70-71 Triumph TR6R Bitsa - 1969 Triumph TR6R - 1971 BSA A65L - 1973 Triumph TR5T
2005 Ducati MTS 1000S DS - 2012 Ducati Hyper 796 - 2014 Kawasaki ZX1000
#389950 - 08/16/11 6:02 pm Re: Tyre advice sought [Re: Triumph Thaiger]  
Joined: Jun 2007
Posts: 5,446
HawaiianTiger Online content
BritBike Forum member
HawaiianTiger  Online Content

BritBike Forum member

Joined: Jun 2007
Posts: 5,446
Maui Hawaii
I got just 2000 miles out of the last K81 (Don't know what a K87 is) I tried. That's just not good enough now matter how cool they look or how well they stick to the road. I replaced it with a more modern tire that will go at least 10k miles.
Bill

Last edited by HawaiianTiger; 08/17/11 3:43 am.

Bikes
1974 Commando
1985 Honda Nighthawk 650
1957 Thunderbird/T110 "Flying Tiger"
Antique Fans: Loads of Emersons (Two six wingers) plus gyros and orbiters.
#389956 - 08/16/11 6:35 pm Re: Tyre advice sought [Re: HawaiianTiger]  
Joined: Aug 2001
Posts: 6,857
triton thrasher Online content
BritBike Forum member
triton thrasher  Online Content
BritBike Forum member

Joined: Aug 2001
Posts: 6,857
scotland
Originally Posted By: HawaiianTiger
a more modern tire that will go at least 10k miles.
Bill


What is it and do they make a 19"?


Amateur Loctite enthusiast.
#390025 - 08/17/11 12:51 am Re: Tyre advice sought [Re: Triumph Thaiger]  
Joined: Jun 2010
Posts: 152
DMiller Offline
BritBike Forum member
DMiller  Offline
BritBike Forum member

Joined: Jun 2010
Posts: 152
North Carolina
I currently running K70 tires on my TR6 because I wanted the original look. I would not use them again. I would say if it's not a show bike, put modern tires on it. Avon Roadriders come in English sizes.

#390897 - 08/22/11 1:20 am Re: Tyre advice sought [Re: Triumph Thaiger]  
Joined: Jun 2008
Posts: 64
Queen's Horseman Offline
BritBike Forum member
Queen's Horseman  Offline
BritBike Forum member

Joined: Jun 2008
Posts: 64
Halifax, Nova Scotia, Canada
I have Roadriders on my '79 T140D and love them. 3000 miles so far and they are wearing really well.

#391049 - 08/22/11 8:39 pm Re: Tyre advice sought [Re: Triumph Thaiger]  
Joined: Jun 2007
Posts: 1,636
DPO Offline
BritBike Forum member
DPO  Offline
BritBike Forum member

Joined: Jun 2007
Posts: 1,636
Douglasville (Atlanta) Georgia
Avon? Sounds expensive...When refurbishing my 72, I acquired a couple of "Chen Shing" tires, don't remember how much I paid for them, but they have worn really well after about 3000 miles(Front still very meaty), and as far as I could tell, handled just fine. Im being told these tires are very cheap and low quality, and that my bike would ride alot different with a quality "Avon" or something on it. But honestly, I have had no problems with them, and I've put ALOT of mountain road miles on them. Will probably replace the old trusty "Cheng Shens" (or whatever they are) over the winter time, and have new tires for the 3 state ride in May.


If you love it, let it go. If it comes back, you've highsided!"

1971 Triumph T120
2005 Triumph "America"
1976 BMW R90/6

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