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PostPosted: Thu Jun 14, 2018 4:22 pm 
Dirt Disciple
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Joined: Tue Jun 24, 2014 1:13 pm
Posts: 98
Location: London
Hi all,

I want to true the wheels of my bikes but my nipples seem to be too big (couldn't resist to phrase it this way :lol: ).

I read European bikes have 3.2mm nipples but both my Peugeot and my Marin have 3.5mm nipples. It's not a problem per se, I can just buy a 3.5mm wrench, I'm just curious why this might be?
Are nipple measurements real sizes, or just nominal numbers that do not reflect the actual size (kinda like the gauge?)?

Thanks,

Ugo


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 Post subject: Re:
PostPosted: Thu Jun 14, 2018 6:56 pm 
Gold Trader
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Joined: Fri Jan 23, 2009 2:30 pm
Posts: 14773
Location: Surrey
You should be able to buy one that caters for various nipple sizes. I've got one that fits 3 different sizes. They are fairy cheap and easy to get hold of.


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 Post subject: Re:
PostPosted: Thu Jun 14, 2018 7:36 pm 
Dirt Disciple
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Joined: Tue Jun 24, 2014 1:13 pm
Posts: 98
Location: London
Yes, I saw they sell circular tools with slots radially placed along the edge. I wasn't sure they are actually useful or just a gimmick


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PostPosted: Thu Jun 14, 2018 8:13 pm 
Old School Grand Master
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Joined: Thu Nov 26, 2015 7:29 pm
Posts: 4256
Location: peak district
I use the Red and Black Spokey nipple wrenches, seem to cover every wheel ive come across so far :)

https://www.jejamescycles.com/rixen-kau ... gJftvD_BwE

mark


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PostPosted: Sat Jun 16, 2018 10:46 pm 
Dirt Disciple
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Joined: Tue Jun 24, 2014 1:13 pm
Posts: 98
Location: London
Answering my own question...it turns out that the size of those wrenches - at least those sold by Silverline - are indeed nominal.
The 3.5mm one is actually 3.9mm
Bummer.


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PostPosted: Sun Jun 17, 2018 4:11 am 
Retro Guru
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Joined: Fri Jan 13, 2012 2:28 am
Posts: 1236
Location: Near Gatwick
Ugo51 wrote:
Answering my own question...it turns out that the size of those wrenches - at least those sold by Silverline - are indeed nominal.
The 3.5mm one is actually 3.9mm
Bummer.

I bought a few of the six slot disc things, I thought they would have all the sizes. The first tool didn't have
anything small enough, so if you buy a multisize thing check the sizes before you buy.
The second has two 14swg or 15swg slots, there is something like 3 thou difference between them, those
two slot's are the only two I have used on half a dozen wheels. Yep a few thou to big is to loose and you will round nipples if/when they are tight.


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 Post subject: Re:
PostPosted: Sun Jun 17, 2018 8:00 am 
retrobike rider
retrobike rider
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Joined: Fri Aug 08, 2008 2:36 pm
Posts: 17817
Location: Yorkshire, England
The rixen 'spokey' style, just get them.
They also do a yellow and black.
It is the distance between the flats of the nipple.


But red (3.25) should be the one you use for anything of quality.
E.g. DT, Sapim, Wheelsmith spokes and nipples.

Get the double metal end 'pro' ones for new nipples and aluminium.
If steel/brass nipples or old knackered nipples then I use the single metal grip ones.
Can get them on eBay quite cheap iirc.
(Madison do the single grip ring version).

Match them with normal style 3 sided nipples if you are building as the four sides are much slower to use at the start.

...Then loose them all and forget where you put them, just as you need them...

Yellow is 3.3 and black 3.4


Best advice, buy a full set, cheaper bikes/wheels vary between the yellow and black spokey sizes.

Other brands 'colours' may vary.


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PostPosted: Sun Jun 17, 2018 8:39 am 
King of the Skip Monkeys
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Joined: Wed Nov 07, 2007 4:34 pm
Posts: 29466
Weird, every bike I've repaired or owned has only ever required my yellow Spokey tool (approaching its fourth decade of use)

Modern ones seem to be sold as 3.4 'Japanese' spokes

Image


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PostPosted: Tue Jun 19, 2018 9:54 pm 
Dirt Disciple

Joined: Fri Mar 17, 2017 2:01 pm
Posts: 74
The multi size keys are usually poorly made from crap metal.

Unfortunately the only answer is to start amassing a collection and once you have about 8 to choose from you’ll still find wheel you don’t have one for.

I recently had to file out a wrench I had 2 of to true an Alfine igh wheel that came on a Genesis Day One I bought. And then I sold the wheel about a fortnight later!

Park ‘pro’ ones are nice as they wrap around the 4th side a little but if you have the correct size then the std 3 sides keys are fine.


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 Post subject: Re:
PostPosted: Thu Jun 21, 2018 7:39 am 
Dirt Disciple
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Joined: Tue Jun 24, 2014 1:13 pm
Posts: 98
Location: London
I'm afraid that's exactly what I will end up doing.
For the time being I have an oversized 3.5mm, which actually turns out to be 3.9
The seller is sending a replacement, 3.3mm but...what size it will actually be??:)
Let's wait and see


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