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 Post subject: wibbly wobbly
PostPosted: Tue Jun 30, 2020 6:09 pm 
Old School Hero

Joined: Tue May 24, 2011 8:18 pm
Posts: 152
Location: Warwickshire
Fitted some new Continental CrossKing folding 26*2. The tyres are stamped ‘tubeless ready’, however i am running them with tubes. When fitted the wheels look like they have a Serious buckle. I have tried wiping the bead with soap in the hope it would seat properly. Have tried riding the bike with nearly flat tyres to see if they would seat properly. Tried different rim tape. No improvement. Taking the tyre on and off just results in random amounts of wobble.

Put my old Michelin folding mountain dry, or Panaracer firexc pro, and the wheels run true! Put the wheel in a truing jig, and it runs true and round.

Any suggestions on how to solve the wobble?


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 Post subject: Re: wibbly wobbly
PostPosted: Tue Jun 30, 2020 6:39 pm 
Old School Grand Master

Joined: Tue Oct 09, 2007 1:55 pm
Posts: 10065
Location: New Forest, UK
I've had the same thing with Contis - Race King. I crashed last summer washing out the front wheel. The rear tyre developed a wobble which made the bike horrible at speed. I similarly couldn't get the tyre to run true again.


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 Post subject: Re: wibbly wobbly
PostPosted: Tue Jun 30, 2020 6:47 pm 
Old School Grand Master

Joined: Mon Feb 11, 2008 9:42 am
Posts: 3568
Two different things ^^^^ when you crashed you probably tore the plies in some way, i've done it to a Maxxis a few years ago, and it crops up every now and again on forums....

The non-seating thing. Is it a tubeless rim? Because even a bit of thick rim tape might prevent it seating in that case. And how high have you pumped to seat it?

(oh, having a tube in there can change how it seats as well.)


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 Post subject: Re: wibbly wobbly
PostPosted: Tue Jun 30, 2020 7:02 pm 
Old School Hero

Joined: Tue May 24, 2011 8:18 pm
Posts: 152
Location: Warwickshire
It is a non tubeless rim, and i assumed that ‘tubeless ready’ tyres would fit tubular rim. I have pumped tyre up to maximum rated 65psi, but no change. Have used a narrow rim tape to make sure wall is clear, with no change.


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 Post subject: Re: wibbly wobbly
PostPosted: Tue Jun 30, 2020 7:06 pm 
Old School Grand Master

Joined: Mon Feb 11, 2008 9:42 am
Posts: 3568
No idea then, if it's really not seating, at 65osi, i'm amazed......


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 Post subject: Re: wibbly wobbly
PostPosted: Tue Jun 30, 2020 7:15 pm 
Retro Guru
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Joined: Fri Oct 06, 2017 6:37 pm
Posts: 363
Location: Scottish Borders
Had this happen too. The cure was, leave it pumped up to max psi overnight, very mild 5% soapy water applied all around both beads from flat.

Came back to it next day and it had sorted itself out.

Time, could possibly be a winner?

Good luck.


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 Post subject: Re: wibbly wobbly
PostPosted: Tue Jun 30, 2020 7:20 pm 
King of the DuckBoard
King of the DuckBoard
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Joined: Sun Jan 28, 2007 12:30 pm
Posts: 21216
Location: 26 the only wheel size
i pump the tyre up to approx 15 psi then press down the top and the sides on the tyre all the way round the wheel then i pump up to my normal running pressure of 35psi fixes it when i this issue with my tyres. It did take more than once to fix it.


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