Chambers Posted January 6, 2010 Report Share Posted January 6, 2010 on the back of my bike im using a kenda 19" inner tube after looking at the weights of standard tubes and comparing them to my kenda there is a massive weight difference!! therefore should i change to a lighter tube and does it really matter if its 20" or 19" because the 20s are lighter than the 19s?? help needed cheers Quote Link to comment Share on other sites More sharing options...
Stevie Posted January 6, 2010 Report Share Posted January 6, 2010 As for the weight yes, 250grams off the back wheel is a fair bit as obviously weight at either end is noticed far more. As for the sizes i'm not sure, i'm sure someone on here will know. Quote Link to comment Share on other sites More sharing options...
Ullapool Trials Rider Posted January 6, 2010 Report Share Posted January 6, 2010 My inner tube is marked 20"x2.125" on the side. So I think a 20" inner tube will fit. Quote Link to comment Share on other sites More sharing options...
RazGman Posted January 7, 2010 Report Share Posted January 7, 2010 20will defo fit i used to run a 24" on my 26" hardtail mtb to save weight just stretched it round the wheels it was fine! Quote Link to comment Share on other sites More sharing options...
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