Which inner tubes do I need if I need to buy a replacement?

Which inner tubes do I need if I need to buy a replacement?

We recommend Schwalbe AV4 - 16/18 x 1 3/8 inch - Schrader valve. You can find these at most bike retailers.

The tyre measurements for the FLIT-16 and the M2 are 35-349 ETRO or 16" x 1.35". 

NB: the inner tubes must have a Schrader valve, not a Presta valve. This is because the hole in the rim for the Schrader valve is bigger and therefore if you install an inner tube with a narrow Presta valve the sharp edges of the rim hole can cut through the inner tube at high pressures. 

If you need help sourcing, please get in touch.


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