MTB General Forum

69ers and spare inner tubes?

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gregsd
Joined: 14 Feb 2005
Posts: 187
Location: United Kingdom
PostPosted Sun Nov 8, 2009 6:48 pmReply with quote    
Well, just picked up my new Trek 69er and wonder what other riders do regarding spare tube on rides. Do you take both tubes just in case or can you make a 26" tube work on the 29r wheel, just to get you home?

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stevet1992
Joined: 10 Sep 2008
Posts: 826
Location: Ashford
PostPosted Sun Nov 8, 2009 6:59 pmReply with quote    
gregsd wrote:
Well, just picked up my new Trek 69er and wonder what other riders do regarding spare tube on rides. Do you take both tubes just in case or can you make a 26" tube work on the 29r wheel, just to get you home?

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Surely it would be better to take a 29inch inner tube ?

WIP - On One 456

Calling All SouthEastern Riders
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robertpb
Joined: 14 Aug 2008
Posts: 425
Location: Cranham Essex
PostPosted Sun Nov 8, 2009 7:05 pmReply with quote    
Yes it will fit you only need an extra 10" so it will get you out of trouble.

Now where's that "Get Out of Crash Free Card"
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whyamihereLost
Joined: 05 Apr 2003
Posts: 18233
PostPosted Sun Nov 8, 2009 7:37 pmReply with quote    
A 29er tube will work in a 26" wheel at a push.

It won't be particularly nice though. Emergency only I'd say.
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The Beginner
Joined: 30 Apr 2009
Posts: 444
Location: Leamington Spa
PostPosted Sun Nov 8, 2009 10:28 pmReply with quote    
I reckon your better with a 26 tube inside the 29 than vice versa, bunching up an oversize tube is a recipe for the tube getting pinched by the bead or creased and rubbing thorugh itself.

A Friend has a 36er and uses 29er tubes in that (as 36er tubes weigh nearly 1Kg!)

Simon

FCN9 using a home built hybrid (believed to be a Carrera touring frame) also building an MTB from a Kraken frame.
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