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| -Savage- |
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-Savage-
World Chat Champion
Joined: 10 Jun 2005
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| Riejufixing |
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Riejufixing
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Joined: 24 Jun 2018
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| jaffa90 |
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jaffa90
World Chat Champion
Joined: 06 Apr 2016
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 Posted: 17:29 - 23 Jan 2021  Post subject: |
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Sidecar! What`s a sidecar?
From memory a bike has to lean into the sidecar because of them left hand bends in the uk.
Today`s curved tyres have less tread on the sides so it looks like flat tyres all round. 
Also why not remove them and turn them around to use the other side of the flat tyres unless they have a one direction only tyres. |
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| steve the grease |
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steve the grease
Crazy Courier
Joined: 26 Jan 2018
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| Posted: 17:43 - 23 Jan 2021 Post subject: |
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| jaffa90 wrote: | Sidecar! What`s a sidecar?
From memory a bike has to lean into the sidecar because of them left hand bends in the uk.
Today`s curved tyres have less tread on the sides so it looks like flat tyres all round.
Also why not remove them and turn them around to use the other side unless they have a one direction only tyres. |
I think your memory might be fading a bit. Normally bike/ sidecar setups have the bike leaning a little to the right to counteract the drag from the sidecar wheel , which tends to pull the outfit to the left.
The side car wheel is usually a couple of inches forwards of the bike's rear wheel and the side car is set to toe in a bit.
____________________
All the above is my personal opinion, you can see my lips move, but I'm talking out of my arse.
I've been riding, and fixing , bikes for 50 years, in that time the more I learn, the less I am absolutely sure of.....
Last edited by steve the grease on 17:50 - 23 Jan 2021; edited 1 time in total |
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| jaffa90 |
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jaffa90
World Chat Champion
Joined: 06 Apr 2016
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| Posted: 17:46 - 23 Jan 2021 Post subject: |
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| steve the grease wrote: | | jaffa90 wrote: | Sidecar! What`s a sidecar?
From memory a bike has to lean into the sidecar because of them left hand bends in the uk.
Today`s curved tyres have less tread on the sides so it looks like flat tyres all round.
Also why not remove them and turn them around to use the other side unless they have a one direction only tyres. |
I think you might be wrong. Normally bike/ sidecar setups have the bike leaning a little to the right to counteract the drag from the sidecar wheel , which tends to pull the outfit to the left. |
You may be right? |
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| sievuun |
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sievuun
Two Stroke Sniffer
Joined: 21 May 2006
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Posted: 18:05 - 25 Jan 2021  Post subject: Re: Sidecar Tyre reccomendations and sizing |
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Metzeler makes a square rear tyre for sidecaring only in 4-18 , the "Block K"
https://www.metzeler.com/en-us/products/tires/block-k
I have read that Heidenau make 16" in sidecar profile as well but do not know the name of that one.
3.50-16 is the size of the sidecar tyre, 66 might be the load index or type
Edit: Google says Heidenau K29 is the old sidecar classic3.5-16, but also mentions a newer K28 available in 4-18 and 4-19
| -Savage- wrote: | Hi Folks.
The time has come to replace the tyres on the bike/sidecar.
Current tyre sizes are
Front 90-90-19
Rear 110-80-18
Side 3.50-16-66
I've heard a lot of talk about using tyres with a square profile, Avon triple-duty get mentioned a lot, but they are only available in 19"
Also I'm not sure what the 3.50-16-66 converts to as a more usual tyre size format like the front and rear.
Does anyone have any recommendations? |
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BMW: R50/5 R80GS R90/6+sidecar R90S R100RS R100RS+s.c K100RT+s.c K1100RS IFA: RT125/2 DKW: RT125/3 MZ: ES150/1 TS250/1+s.c ETZ250A ETZ250+s.c Kawasaki: GPZ750
Once had: R51/3, CB350four, CB350K4,XS1100 XS1100S+s.c,XT250, XV500, Z550, GT550triple, TS150/1, TS250, ETZ251 saxon tour |
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| stinkwheel |
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stinkwheel
Bovine Proctologist
Joined: 12 Jul 2004
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| Posted: 18:36 - 25 Jan 2021 Post subject: |
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110/80-18 means 110mm wide, 80% as tall as it is wide and 18" rim. The dash indicated bias belt construction.
3.50-16 means 3.5 inches wide. Imperial motorcycle tyres have a 90% profile and 16" rim.
What about an old fashioned ensign universal? From memory, 90/90-18 is in the 3.00-18 ballpark.
110/80-19 is slightly lower profile than a 3.50-19 but correct ballpark.
Car spacesaver tyres are rated to 55mph and are cheap as chips.
Bet you could shoehorn a 115/85 spacesaver tyre on the rear.
____________________
“Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles.
Last edited by stinkwheel on 18:44 - 25 Jan 2021; edited 1 time in total |
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| Nobby the Bastard |
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Nobby the Bastard
Harley Gaydar
Joined: 16 Aug 2013
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Old Thread Alert!
The last post was made 4 years, 193 days ago. Instead of replying here, would creating a new thread be more useful? |
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