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PostPosted: Thu Apr 30, 2020 11:54 am 
Retro Guru

Joined: Sun Aug 03, 2008 12:31 am
Posts: 590
Location: London
Mine in over 25 years old and looks the same as Gazelleer's, with the same push on adapter. The rubber washer wore out years ago, must be 15, and I haven't used the pump since then. I bought a spare from a bike shp but it didn't fit. I always have a Zefal HPX on my bike so I use that.

The gauge is perfectly fine, there's a red needle which you can set. In any case I only used the needle as an approximate guide, mainly as not to over inflate. The final pressure check is done by squeezing the tyre.

I did buy a cheap track pump from Lidl (I think £7* but it was a few years ago), just for the pump head to fit on to my SKS. I only finally got round to using it a few weeks ago! And it seems too good to cut off the head! So my SKS remains unused. The Lidl pump does have a wide barrel though and pumps a lot of air on each stroke so I need to be careful not to over inflate.

I try to use bars (6.5 - 7 bars is usually about right for me) but it seems cyclists in the UK have followed the Americans and use psi.

*about 8 Euros


Last edited by fiks on Thu Apr 30, 2020 2:50 pm, edited 1 time in total.

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PostPosted: Thu Apr 30, 2020 12:58 pm 
Dirt Disciple

Joined: Mon Jun 09, 2014 2:15 pm
Posts: 11
I have found a source of supply; Zyrofisher is able to supply the 40mm washer required - which they have done. So my pump is up and running again. Brilliant and helpful service: can’t praise them highly enough. www.zyrofisher.co.uk


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PostPosted: Tue May 05, 2020 9:07 am 
Dirt Disciple

Joined: Mon Mar 18, 2019 7:59 pm
Posts: 36
Hi fiks,
Not to be taken too seriously, but I just couldn't let this go unchallenged,
"but it seems cyclists in the UK have followed the Americans and use psi."
I think you will find we in the UK were using psi from the very beginning. The Bar is a metric system unit from meteorologists who have only latterly introduced the Bar.
The USA, like us continue to use our older system of pressure.
Regards,
Robin.
aka 531Man


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 Post subject: Re:
PostPosted: Fri Oct 09, 2020 7:55 pm 
Newbie

Joined: Fri Oct 09, 2020 7:35 pm
Posts: 1
HI! I'm wondering something about the SKS Rennkompressor and this feels like the right place to ask for advice.

I have an SKS pump - really simple wood and steel thing - that I bought over 10 years ago for £10, and I really like how simple it is.

https://www.dropbox.com/s/utrf44qufd62p ... 1.JPG?dl=0

Over the years, SKS have sent me replacement parts when it failed, which I have appreciated. But recently, the head broke, and they have told me that they do not have replacement hoses for this pump any more, but that I can attach a new head.

https://www.dropbox.com/s/rq0yvb1ohte1n ... 2.JPG?dl=0

Which is fine ... but actually I am curious ... is this hose connection to the base really different from the Rennkompressor?

https://www.dropbox.com/s/d0nq5azigvy97 ... 7.JPG?dl=0
https://www.dropbox.com/s/822wl67ouyvju ... 4.JPG?dl=0

I'd say it's about 8mm diameter and 28tpi but please take a look yourself.

I'm a bit skeptical that that SKS designers would randomly change the gauge and threading on their hoses between models, but maybe they did? I don't know.

It would be reassuring to know if I can swap out this hose for a Rennkompressor hose if needed down the line.

In the meantime I'll attach a new head to this one and keep it alive!


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