Available tires

A lot might depend on the travel and spring rating of the rear shocks, and how you use the bike. Whatever you change needs to be optimised to suit it's purpose.
If you carry a pillion passenger without winding the rear spring adjusters up, the bike can oversteer horribly as you accelerate. Similar can happen with changed ride height at the rear

I am fortunate that my suspension has height, damping, and preload adjustment. My fork stanchions go through both triple clamps and can be raised or lowered and the shocks have eye to eye shaft adjustment of +-10mm. Would be nice if I had more shaft adjustment on the shocks, but I get by with 10mm.

No passengers on my street Norton. My only purpose is to enjoy the ride.
 
I think I'm even less certain about the good 19in rear tire options than I was before.

Am I to assume that Roadrider production will be moved and availibity will improve in the US in the future?
 
Both Revco and Fortnine in Canada show them as in stock, however they don't ship to the US.
If you cannot find them in the US, I could have them shipped here then re-ship them to you from just over the border from Lynden Wa.

Glen
 
Sorry for the chortle - what's your reason?
18s can have the same rolling diameter - plus better selection of rears

I simply don't like Commando's with high profile bulky rear tyres (but that is something I would not normally comment on as it is personal taste)

Dunlop 120/90/18's both ends and both front tyres/tires, the rear reversed.
fti.jpg


120/90/18.
Not so bad on the GT.
GTagain.JPG



I do not have a problem with tyre availability as the Continental Classic Attack radials, front and rear dedicated 100/90/19's are still available but now at an eye watering cost of $339.25 each. (The Avon universal looks to be around $248 each)
 
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I simply don't like Commando's with high profile bulky rear tyres (but that is something I would not normally comment on as it is personal taste)

Dunlop 120/90/18's both ends and both front tyres/tires, the rear reversed.
View attachment 111539

120/90/18.
Not so bad on the GT.
View attachment 111540


I do not have a problem with tyre availability as the Continental Classic Attack radials, front and rear dedicated 100/90/19's are still available but now at an eye watering cost of $339.25 each. (The Avon universal looks to be around $248 each)
Continental Tires ceased the Production of "The Conti Classic Attack 100/90/19 rear". They didnt sell well.

Very annoying for me, because i recently fitted a WM4-19 rear wheel because i really enjoyed this radial tires with this grip and response - just another world -but a beast to install by hand.

tires for the 18 rear rim are still avilable.

someone told me, mixing radial and diagonal in front and rear isnt a good idea. laws.

now the roadriders mkII do a really good job (and they do last longer), but i wish my classic attacks back.
 
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I simply don't like Commando's with high profile bulky rear tyres (but that is something I would not normally comment on as it is personal taste)

Dunlop 120/90/18's both ends and both front tyres/tires, the rear reversed.
I think the limitation imposed by the Commando swingarm ensure a bulky rear tyre can't be fitted.
The rear fitted to my bike is probably as close as you'd care to go to the swingarm (11mm)
Red at the beach.JPG
 
Continental Tires ceased the Production of "The Conti Classic Attack 100/90/19 rear". They didnt sell well.

Very annoying for me, because i recently fitted a WM4-19 rear wheel because i really enjoyed this radial tires with this grip and response - just another world -but a beast to install by hand.

tires for the 18 rear rim are still avilable.

someone told me, mixing radial and diagonal in front and rear isnt a good idea. laws.

now the roadriders mkII do a really good job (and they do last longer), but i wish my classic attacks back.
The rears are listed here as available but the price is now the same for either front or rear. The rear used to be $269 with the front $259.

What I did notice is both (F&R) are Made in Germany, the Trail Attacks on my Africa Twin are Rear made in Germany but the front made in Korea and that goes back to when I first started using Road Attacks on TL1000's (Rear made in Germany - Front made in Korea)

Based on the thread depth being the same and the tyre looking the same I have to wonder if the front and rear Classic Atack (100/90/19) was the same tyre with the arrow reversed.

Available tires
 
Both Revco and Fortnine in Canada show them as in stock, however they don't ship to the US.
If you cannot find them in the US, I could have them shipped here then re-ship them to you from just over the border from Lynden Wa.

Glen
Very kind of you, I was mostly looking for a friend of mine right now (they will probably just try to get some from Andover) but at some point I will need some so I'll have to see what to do then.
 
The rears are listed here as available but the price is now the same for either front or rear. The rear used to be $269 with the front $259.

What I did notice is both (F&R) are Made in Germany, the Trail Attacks on my Africa Twin are Rear made in Germany but the front made in Korea and that goes back to when I first started using Road Attacks on TL1000's (Rear made in Germany - Front made in Korea)

Based on the thread depth being the same and the tyre looking the same I have to wonder if the front and rear Classic Atack (100/90/19) was the same tyre with the arrow reversed.

View attachment 111545
these tires are marked especially "front" exor "rear" .
on the wm2 rim the coni 100/90/19 front tire looked wider than the rear.
i had detailed conversation with the continenal custumer support and they said the rear tire isnt available any more.

Buisnessmen are hard to understand, but i am curious if a "f" or "r" would make the same difference to an engineer.
 
I think the limitation imposed by the Commando swingarm ensure a bulky rear tyre can't be fitted.
The rear fitted to my bike is probably as close as you'd care to go to the swingarm (11mm)
View attachment 111542
I have 130/90/17 fitted front and rear on the 920. It's tight but ok. Same diameter as 100/90/19.
The handling is very good!

Screenshot_20231214_171900_Photos.jpg
 
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I think the limitation imposed by the Commando swingarm ensure a bulky rear tyre can't be fitted.
The rear fitted to my bike is probably as close as you'd care to go to the swingarm (11mm)
Available tires

Available tires


looks like hobot swung by dec 7 : )

fresh mug

 
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these tires are marked especially "front" exor "rear" .
on the wm2 rim the coni 100/90/19 front tire looked wider than the rear.
i had detailed conversation with the continenal custumer support and they said the rear tire isnt available any more.

Businessmen are hard to understand, but i am curious if a "f" or "r" would make the same difference to an engineer.

Correct, I have front and rear dedicated 100/90/19 Classic Attacks on WM4 Excel rims (2.5" x 19)
I will worry about it next year but will most likely just fit two 100/90/19 Trail Attacks as posted up the page if there is any drama with the Classic Attack availability.

If I get time, I will phone this retailer in regard to the TLF (front) and TLR (rear) designation for clarity.

Available tires
 
...remove the chainguard to make it fit???
Might as well take an angle grinder to the swingarm and get really serious!
"It sure looks fugly and will handle like a bucket of shit but I'm sure we can make it fit!"
 
I have 130/90/17 fitted front and rear on the 920. It's tight but ok. Same diameter as 100/90/19.
The handling is very good!
i needed a 120/70/17 radial w rated tubeless front for another bike, easy 100 canuck bucks


another who went 17
Available tires
 
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...remove the chainguard to make it fit???
Might as well take an angle grinder to the swingarm and get really serious!
"It sure looks fugly and will handle like a bucket of shit but I'm sure we can make it fit!"
tc ran a 16 on his norton tells me all i need to know about suitability or ugliness
 
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I think I'm even less certain about the good 19in rear tire options than I was before.

Am I to assume that Roadrider production will be moved and availibity will improve in the US in the future?
Swoosh, Did you try the shop I sent you?
Mike
 
Glen, What is the big advantage to a single-sided swing arm?Is it that you can get a bigger tire,weight,etc.

Thanks,
Mike
wrong guy above, his bike is the silver tank here
https://www.accessnorton.com/NortonCommando/available-tires.36698/page-8#post-647886

here's the red norton 12 page thread

Think the current owner (or at least in that old thread) bought it that way. Original builder likely inspired by individuality & 1 of a kind, along with the easy wheel off deal, for repairs, big tire optons etc

17 tires opens up a ton of options along with being a common current overall, including racing size
 
Glen, What is the big advantage to a single-sided swing arm?Is it that you can get a bigger tire,weight,etc.

Thanks,
Mike
My 920 has a regular width mk3 swing arm, just modified at the back for a large hollow axle.
The red bike above was a long term project that I recall reading about a few years ago here. I think the builder liked the look of the single sided swing arm. It is an interesting looking bike.

With the Daytona 955s the single sided swing arm adds a few pounds vs the same bike with a conventional swing arm. With that model, Triumph went to the conventional type for 1 year in 2002 but sales tanked, so they went back to the slightly heavier single sided swing arm for 2003 on.
People seem to like the look of that single arm, perhaps because it's a racy Ducati thing:)

Glen
 
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