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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  Sew ups
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Author Topic: Sew ups  (Read 594 times)

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Frosty

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Sew ups
« on: October 09, 2006, 02:44 PM »
I have built some 20 x 1 3/8th wheels for a mini and put them on at the weekend, with tyres mounted the front runs very close to the steerer tube on the fork.

I presume sew ups would be smaller and leave more clearance, but before I go down that route I want to know if the old tyres are available in colours? I'm looking for blue ideally - anyone know?

Cheers

Paul

Frosty

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Re: Sew ups
« Reply #1 on: October 09, 2006, 02:49 PM »
Actually, look at the Race Inc that Bodamus put together, my clearance looks about the same at the front.




Offline lazychubs

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Re: Sew ups
« Reply #2 on: October 09, 2006, 08:01 PM »
alans is the only one who sels sew ups and they black only

Offline bodamus

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Re: Sew ups
« Reply #3 on: October 09, 2006, 08:31 PM »
Frosty I got the tyres on my Race Inc from Alans £15.99 the pair inc P+P they are Panaracers 20 X 1 3/8 they are really nice tyres almost snakebelly like in style. I say there is enough clearance to get away with it.

From bodamus ;)

Offline billstup

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Re: Sew ups
« Reply #4 on: October 09, 2006, 10:34 PM »
There is not a lot of clearance on my Robinson mini either, but it only needs a couple of mm  :daumenhoch:
I see you stand like greyhounds in the slips,
 Straining upon the start. The game's afoot:
 Follow your spirit, and upon this charge
 Cry 'God for Harry, England, and Saint George!'

steve

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Re: Sew ups
« Reply #5 on: October 09, 2006, 10:50 PM »
1.1/8THS WILL HAVE A SMALLER PROFILE, AND STILL FIT THE 1.3/8THS

Offline MartyC

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Re: Sew ups
« Reply #6 on: October 09, 2006, 10:51 PM »
You'll only be able to run sew-ups if you have sew-up rims, they won't work on a regular 1 3/8th rim as the tyres will be a larger inside diameter and they need a surface to be glued to so the inner rim on a sew-up sits a lot higher with the spokes/nipples recessed (which is why the tyre is slighty larger on the inside diameter).

Marty  :daumenhoch:


Better to crash and burn than fade away

Frosty

  • Guest
Re: Sew ups
« Reply #7 on: October 10, 2006, 11:38 AM »
Thanks all,

I think I will stick with it for the moment. I have NOS yellow label comp III's on it in 1 3/8th's, but have some nos 1 1/8th in black too but didn't think they would fit on the wider rims. I'll change one over and see what it looks like.

Just waiting on the brake lever to complete the build and I'll post piccy's.

Paul

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