On my bike tyre are lots of numbers, which one do I use if I buy a new tube please?
they are 42-622(700 x 40c-28 x 1 5/8(five eights)) and will a tube that says 700 x 28 /38c (27 x .75 /1.125) fit it please. Also do I have to specify presta valve? Thanks for your help its all Greek to me.
You will need:
28 x 1.60
Or
700 x 40C
With a High Pressure valve, if its not like a car tyre valve.
Have a look at this online shop:
http://www.bicyclemagic.com/product/1241/SCHWALBE_700x284227x1_14_Tube
^Thats the tube you want!
challenger250 tube valve power amplifier from AudioValve
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