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Seating the bead #752160
10/10/18 10:47 am
10/10/18 10:47 am
Joined: Dec 2014
Posts: 171
Perth, Western Australia
H
Howley Offline OP
BritBike Forum member
Howley  Offline OP
BritBike Forum member
H

Joined: Dec 2014
Posts: 171
Perth, Western Australia
Hi all,

I've got my new tires mounted. I've soaped the bead and pumped it up to 40psi or so. The bead is seated entirely on one side, and on the other there's about 10 inches that isn't seating.

I've bounced it etc, how high should I pump it, and will that help? Are there any other tricks?

Thanks.

Luke

Last edited by Howley; 10/10/18 10:49 am.
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Re: Seating the bead [Re: Howley] #752178
10/10/18 3:00 pm
10/10/18 3:00 pm
Joined: Dec 2004
Posts: 9,961
Scotland
kommando Offline
BritBike Forum member
kommando  Offline
BritBike Forum member

Joined: Dec 2004
Posts: 9,961
Scotland
My local garage does it to 60 for badly seating beads, then if it still won't seat they mark the unseated area, pull it apart and start again trying to get the bead in place at the marked area first. The speed of inflation helps so a garage air line would be better than a home one even at the same pressure.

Re: Seating the bead [Re: Howley] #752182
10/10/18 3:09 pm
10/10/18 3:09 pm
Joined: Jul 2001
Posts: 13,287
Central Virginia
Lannis Offline

Well'ard Rocker
Lannis  Offline

Well'ard Rocker

Joined: Jul 2001
Posts: 13,287
Central Virginia
I'd go to 60 pounds too. With a well-lubed rim, and the valve core out of the stem for volume, that ought to do it.

Lannis


Orwell's "1984" was not meant to be an instruction manual.
Re: Seating the bead [Re: Howley] #752211
10/10/18 7:08 pm
10/10/18 7:08 pm
Joined: Aug 2001
Posts: 4,593
argyll. scotland, uk
gavin eisler Online content
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gavin eisler  Online Content
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Joined: Aug 2001
Posts: 4,593
argyll. scotland, uk
Clean the rim where the rubber meets it, polish it ideally, and lube it well.


71 Devimead A65 750
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The poster formerly known as Pod
Re: Seating the bead [Re: gavin eisler] #752217
10/10/18 8:07 pm
10/10/18 8:07 pm
Joined: May 2013
Posts: 5,557
West Yorkshire
Allan Gill Offline

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Allan Gill  Offline

BritBike Forum member

Joined: May 2013
Posts: 5,557
West Yorkshire
Originally Posted by gavin eisler
Clean the rim where the rubber meets it, polish it ideally, and lube it well.


Plus 1. Plenty of lube!!! And make sure you haven’t snagged the tube in that.


beerchug
Re: Seating the bead [Re: Howley] #752305
10/11/18 11:52 am
10/11/18 11:52 am
Joined: May 2004
Posts: 4,014
Sydney Australia
B
BSA_WM20 Offline
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BSA_WM20  Offline
BritBike Forum member
B

Joined: May 2004
Posts: 4,014
Sydney Australia
And NO VALVE in the tube as previously mentioned
Get an air duster with a big hole & use that to inflate the tyre.
The rapid inflation makes all the difference.


Bike Beesa
Trevor
Re: Seating the bead [Re: Howley] #752428
10/12/18 9:49 am
10/12/18 9:49 am
Joined: Dec 2014
Posts: 171
Perth, Western Australia
H
Howley Offline OP
BritBike Forum member
Howley  Offline OP
BritBike Forum member
H

Joined: Dec 2014
Posts: 171
Perth, Western Australia
Thanks for all the help guys. Soaped it, drilled out the rubber nozzle of my air duster and pumped it up with the valve stem out. The bead popped right in.


Moderated by  Allan Gill, Jon W. Whitley 

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