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Tubes

mike12 · 2010-09-02 16:47:42

Hi, Is there any problem with 25cc tubes in 28cc tires or visa versa, my brother has a cyclocross bike and was thinking of putting 25cc tires on it not sure whats on it at the moment think 32cc maybe I dont think there is any problem with putting 25cc or 28cc tyres on those rims some please tell me if im wrong. Thanks Mike

02-09-2010 5:47pm

#1

mike12

Registered Users, Registered Users 2 Posts: 2,331 ✭✭✭

Join Date: March 2010

Posts: 2290

Hi,
Is there any problem with 25cc tubes in 28cc tires or visa versa, my brother has a cyclocross bike and was thinking of putting 25cc tires on it not sure whats on it at the moment think 32cc maybe I dont think there is any problem with putting 25cc or 28cc tyres on those rims some please tell me if im wrong.
Thanks Mike

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Comments

#2 02-09-2010 6:31pm

kumate_champ07

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Join Date: April 2009

Posts: 6772

I think 25c in 28c tyres would be fine around 70psi, you'd need a second opinion.
most tubes can expand alot bigger than their advertised measurements indicate but that means the rubber material is getting thinner as it stretches so chances of a puncture are higher

28c tube in 25c tyre would probably cause pinch flats

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#3 02-09-2010 7:38pm

keenan110

Registered Users Posts: 326 ✭✭

Join Date: August 2008

Posts: 305

I use 25c tubes in 28c tyres, never had any problems and the smaller tube is quicker to fit!

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