P pedro p New member Dec 30, 2010 #1 I changed my batteries and now I need to enter the bicycle size again. The computer shows a four digit number and I do not know what to enter, my bicycle wheel size is 28' I searched for the calculations but I cannot find it.
I changed my batteries and now I need to enter the bicycle size again. The computer shows a four digit number and I do not know what to enter, my bicycle wheel size is 28' I searched for the calculations but I cannot find it.
