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SOHC.co.uk Forums => CB500/550 => Topic started by: MIKE550/4 on August 05, 2008, 09:20:25 PM

Title: rim and tyre question
Post by: MIKE550/4 on August 05, 2008, 09:20:25 PM
hi

question about rims and tyres , this bike i am restoring not been used since 1983, dvla agrees to this, previous owner had started to restore it but decided against to concentrate on his bsa,  he changed rear tyre and rim and spokes .

done  a bit of research but wanted to clarify,

rear wheel

rear wheel rim in good condition has stamp D.I.D ( take it this is manufacturer, ) 185 by 18  tyre 306, is this march 06? ( safe to use still ? )

front wheel ( fun starts ) 185 by 19 ( bigger ?) 380 on tyre ( march 1980?)

fron wheel rim is in very poor condition and tyre/rim etc to be replaced, am i right with these codes though, seems very odd to have tyres that seem to differ by  23 years ?


also i am keen to have a go at lacing, possibly might have to take rear wheel apart to clean up hub, think with a spare afternoon i could do it, not keen on doing final trueing ( if thats correct word ) any local wheel finishers to me in northants area anyone could recommend
Title: Re: rim and tyre question
Post by: Bryanj on August 06, 2008, 04:56:26 AM
Dont know of any code on tyre that gives date of manufacture,
DID was Honda OEM supplier
Rims and spoke kits from Dave Silver
Lacing and truing just takes time and patience---Give me a call andi'll talk you through it
Title: Re: rim and tyre question
Post by: MIKE550/4 on August 06, 2008, 10:14:04 AM
hi bryan,

well i thought it was this -

 306, rear wheel in my case, 3rd month of 2006,

front wheel, 380, march 1980,

 going to order a rim and spokes for front wheel , so will be in touch, engine is also getting done ,
Title: Re: rim and tyre question
Post by: mick on August 06, 2008, 10:39:58 PM
Tyre code could be 30th week 2006 & 38th week 2000?, i'll ask my neighbour he's a tyre fitter  ;) cheers Mick.
Title: Re: rim and tyre question
Post by: mick on August 07, 2008, 04:10:58 PM
are there any more letters or numbers besides 306 & 380 ?  cheers Mick.
Title: Re: rim and tyre question
Post by: MIKE550/4 on August 07, 2008, 10:42:41 PM
yes , here goes the full set
 dunlop tyre

3.60 H19 (90/90H19) these are large raised letters
K181 RIBBED TT100

Then that no 380 smaller than the rest but again raised

cheers mike
Title: Re: rim and tyre question
Post by: mick on August 08, 2008, 09:51:12 AM
found this link thought it might be helpful to you and others  ;),

http://www.amadirectlink.com/roadride/Riderresc/tires.asp

Title: Re: rim and tyre question
Post by: Dave M on August 09, 2008, 08:41:23 AM
Interesting and useful link.

Once I got there I didn't read it straight away though, something much more interesting caught my eye...
Title: Re: rim and tyre question ( new question added)
Post by: MIKE550/4 on August 12, 2008, 08:02:50 PM
spokes that are listed on ds site, anyone know if they are stainless, or where i can get stainless ones
Title: Re: rim and tyre question
Post by: SteveD CB500K0 on August 12, 2008, 09:21:26 PM
Call them.

They're very helpful and know what they're talking about.
Title: Re: rim and tyre question
Post by: Bryanj on August 13, 2008, 06:56:24 AM
Personally dont like stainless as its too stiff and not maleable
Title: Re: rim and tyre question
Post by: Dave M on August 13, 2008, 10:15:41 AM
Have a look at the Hagon site.

I got my rim and spokes from them.
Title: Re: rim and tyre question
Post by: MIKE550/4 on August 14, 2008, 10:36:58 PM
ordered the rim and spokes from ds, will give it a go and see how i get on

hub came up pretty good

thanks for replies

(http://i156.photobucket.com/albums/t6/mike070868/th_hub1.jpg) (http://i156.photobucket.com/albums/t6/mike070868/hub1.jpg)
(http://i156.photobucket.com/albums/t6/mike070868/th_hub2.jpg) (http://i156.photobucket.com/albums/t6/mike070868/hub2.jpg)
(http://i156.photobucket.com/albums/t6/mike070868/th_hub3.jpg) (http://i156.photobucket.com/albums/t6/mike070868/hub3.jpg)
(http://i156.photobucket.com/albums/t6/mike070868/th_hub4.jpg) (http://i156.photobucket.com/albums/t6/mike070868/hub4.jpg)
(http://i156.photobucket.com/albums/t6/mike070868/th_hub4a.jpg) (http://i156.photobucket.com/albums/t6/mike070868/hub4a.jpg)
Title: Re: rim and tyre question
Post by: SteveD CB500K0 on August 15, 2008, 09:19:08 AM
Looks nice.

What paint did you use?
Title: Re: rim and tyre question
Post by: MIKE550/4 on August 15, 2008, 03:19:00 PM
just heat resistant engine paint, guy next door is a sprayer and had a few tins and asked if i had any use for them, bit of laquer to seal it and hoping  it will be ok.

seem to have spent weeks cleaning and this is first part that actually looks something like i thought it would
Title: Re: rim and tyre question
Post by: Bryanj on August 16, 2008, 06:05:37 PM
Hints on building:-

There are 20 each of two types of spoke---
one goes from the ouside inwards and the other from the inside outwards,

Sort out the first type and where they go in the hub and just fit those and lace to rim, get these tight and the rim running true.

This way you are only adjusting 20 spokes not 40; the other 20 you can slide in a fit easily (Don't work if you do it the other way round!)

When truing find where the rim is "Welded" and mark it as there is always a "Kick" at that point and trying to true it out has sent many a novice do-lally
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