D dmdee99 Member Apr 24, 2006 123 0 May 7, 2008 #1 I just got some new heavy duty tubes for my bike but I got the wrong size tube for the size tire. Would I still be able to use it? The tire size is 90/100-21. The tube size is 80/100-21. Has anyone tired this??? Thanks
I just got some new heavy duty tubes for my bike but I got the wrong size tube for the size tire. Would I still be able to use it? The tire size is 90/100-21. The tube size is 80/100-21. Has anyone tired this??? Thanks
Farmer John T.C.F.<br>(tire changin' fool) LIFETIME SPONSOR Mar 8, 2000 1,993 7 May 7, 2008 #2 Tube will work fine in the slightly larger front tire.