Tyre fitting problems

[Dorset Boy]

Never heard fairly liquid called that but the soap dish, aka a dish to put your soap in, in between uses, used to be common before body wash took over the world.

Soap dishes are still common, but obviously only useful for holding a bar of soap. I think quite a few have gone back to bars of soap rather than liquid wash.
And I have never seen a bar of soap sold for washing dishes. Hence my comment.

 

[Ming the Merciless]

And I have never seen a bar of soap sold for washing dishes. Hence my comment.

Ah, you haven’t travelled much in rural China etc

 

[wafter]

I favour a very sparing application of synthetic grease around the bead on the tyre along with over-pressurising it to some extent; while of course remaining within the max stated inflation pressure of the tyre and rim - the latter often not widely published yet regularly less than marked on corresponding tyres!

If you're running tubeless compatible rims be aware that the innermost face / edge of the bead can hang up on the rim bed so lube this too.

 

[deejayen]

Thanks again.

I checked the front wheel this morning, and the 'rim tape' was actually just electrical insulation tape, and although it looked like it was fairly straight, there were a few wrinkles and pumps, especially near the valve.

I've bought some 14mm wide rim tape so will give that a go. I'll also try the lubricant and trying to seat at a higher pressure.

I think the rim width is suboptimal but borderline okay (the original tyres were slightly wider than these).

 

[SteveH80]

Did you solve the valve issue?
I had something similar earlier in the year. I removed and cleaned the valve, replaced the valve and still the problem persisted. The tube would only inflate if I loosened the valve a bit.
The whole lot ended up in the bin.

 

[matticus]

Never heard fairly liquid called that but the soap dish, aka a dish to put your soap in, ...

This is starting to sound like the Two Ronnies:
You know - dish soap. Soap for dishes!

Careful - he'll start quoting the Fairly Liquid sketch at you next!

(and I confirm that I *think* it's an americanism for washing-up liquid. On the plus side, it's a lot shorter!

 

[Ming the Merciless]

This is starting to sound like the Two Ronnies:
You know - dish soap. Soap for dishes!

Careful - he'll start quoting the Fairly Liquid sketch at you next!

(and I confirm that I *think* it's an americanism for washing-up liquid. On the plus side, it's a lot shorter!

You called


View: https://youtu.be/0CmaLgxLDE0?is=4cFO6ny3HEvDWIZH

 

[Dogtrousers]

Speaking as someone who has lived in the US: Yes it is called Dish Soap there.

Speaking as someone who has used it as a lubricant for seating tyres: Yes it worked for me. They also came up nice and clean

 

[Pat "5mph"]

Never heard fairly liquid called that but the soap dish, aka a dish to put your soap in, in between uses, used to be common before body wash took over the world.

I still have a soap dish, because I don't like wasting plastic by buying body wash.
Anyhoo, a soap dish is not dish soap

And I have never seen a bar of soap sold for washing dishes.

I vaguely remember seeing it when I was a child, but I think it wasn't a bar of soap, it was soap flakes.

 

[FrankCrank]

You can still get bars of this.................in Africa and Australia. Hope that helps.

 

[deejayen]

I removed the insulation tape and cleaned the inside of the rim with meths. The inside walls of the rim were slightly sticky and there were one or two areas which were rough (a bit like light filing marks.). I then fitted the new rim tape which was about 2mm narrower than the insulation tape. I ended up using some window cleaner to help seat the tyre, and it looks pretty good now.

I need to try the same with the rear wheel.

I really just want to try the bike for now. If all goes well I'll probably splash out on new wheels with slightly wider rims.

The valve\pump is still not working properly. I had tried pushing the valve core in to release some air, but that didn't help. I suspect the pump head might be worn. It's an old Blackburn Airtower Shop pump which was expensive at the time, but I'm not sure Blackburn are still in business, and I'm not sure the pump head is still available as a spare part, so I may have to buy yet another pump!

 

[Ajax Bay]

The tyres are folding Panaracer Paselas 559-42, and the rims are old Wolber ones which are fairly narrow

@T4tomo on point.

this might be an / the issue as you should have at least a 21mm internal rim width to run a 42mm tyre, and "old wolbers" will be more like 17-18mm* (this is a massive guess)

And your guess sounds accurate or even optimistic since the OP has shared their rim tape purchase.
Maybe these:
https://www.velosaloon.com/products...m-in-26-559x16mm-with-36-holes-from-the-1980s

I've bought some 14mm wide rim tape so will give that a go.

Insulating tape is typically 19mm wide so quite likely @Ming diagnosis is right: tape displaced right up under the bead. 14mm rim tape is 'right' for rims with an internal rim width of 14-16mm. Rolling on a 42mm wide tyre on such rims is an accident in waiting - OMMV.

 

[Dogtrousers]

Sheldon has a table of rim width and tyre compatibility here: https://sheldonbrown.com/tire-sizing.html#width

He does note that it errs a bit on the side of caution.

 

[deejayen]

The tyres don't look too bad on the rims - they're not excessively 'light bulb' in profile.

I'd read that the Paselas are usually smaller than stated, and I thought they'd be okay based on the charts I'd read.. I've just measured them on the rims, and they're 38mm.

The original knobbly tyres were 1.85" (47mm) and I suspect that's what the frame-builder intended to be used with these original rims back in the day.

I didn't accurately measure the internal width of the rims, but they're probably around 17mm.