Inner tube.

[Darren Jeffrey]

Bought a 700 x 19/23c inner tube as recommend for my triban t3. I blew it up tonight and it seems massive compared to my bike wheel.

Nooby question but is this normal or has the decathlon guy gave me the wrong tube?

 

[black'n'yellow]

you do know that rubber stretches, don't you...??

 

[oldfatfool]

Why did you blow it up

Blow up a johnny prophylactic and it will look massive to the size of your dick willy!!!

 

[Stonepark]

................................................. you blow it up inside the tire to contain the pressure, if you put it up to pressure outside the tyre it will blow up larger and chances are can rupture as no support.

 

[simon.r]

http://www.cyclechat.net/threads/just-blew-up-an-inner-tube.99862/#post-1806075

 

[ianrauk]

c'mon guys, give the chap a break. Let's not blow this all out of proportion.

 

[Zenroad]

Yes, inner tubes get huge when inflated outside the tire. If you keep going, they explode. Be careful!