Help - innner tube size???

[Steven martin]

Confused.com

My bike manufacturer says I have a 700x35c wheel, when I go to tesco (they have a special on) the innertubes have three number eg 700x35 - 40C

Is the second two numbers a range?

Please help...
Steven

 

[AndyRM]

Yep. Your inner-tube is good for 35 - 40c tyres.

 

[Steven martin]

Sorry more help...

I have a Trek bike which has the old tyre/style valves, all the ones I see are the tiny ones = is it better to go for the new type or hunt for a match. My pump does both both...

 

[Supersuperleeds]

You should match as the hole in the wheel to put the valve through is a different size

 

[AndyRM]

Do you have shraeder and are seeing presta?

If so, your rim will be drilled for shraeder so get them as tube could come through if you fit presta.

EDIT: What Leeds said!

 

[vickster]

You'll need Schrader, loads of places online sell them, or there's always halfords

http://www.halfords.com/webapp/wcs/..._productId_189634_langId_-1_categoryId_242552

 

[HLaB]

I doubt it is but some bikes also have Woods Valves .

 

[John the Canuck]

i bought 3 for £10 at tredz

perfectly ok

http://www.tredz.co.uk/.Inner-tube-Bundle-3-x-Innertubes_54908.htm

 

[Steven martin]

Thanks for advice... nearly bought the presta thnking it would be easier, didnt think about the hole in the wheel (doh).

 

[raleighnut]

Thanks for advice... nearly bought the presta thnking it would be easier, didnt think about the hole in the wheel (doh).

Some of the Presta inner tubes have a securing ring that is shouldered to allow for this, the shouldered bit is the same size as the Schrader valve hole.

 

[HB_Dude]

In all honesty there is generally only 2mm or so difference in the width of presta / schrader valves, and as presta valves have a lock ring to secure it, Presta also hold higher pressures better than schrader valves.

I always use Presta valved tubes.

Try here for great prices on tubes.. http://www.innertubeshop.com/

These are the ones you need..... http://www.innertubeshop.com/products/touring-cx-700-x-28-36c-presta-42mm-also-27-28-5-bundle

Double check the sidewall of your tyres to confirm the actual size!