2nd hand bike frame grade trek boone 9 disc di2 2015 56cm frame details frame size 56cm damage details right shifter has some minor scratches overall in good condition with some wear amp tear this is a pre owned 2nd hand bike and will have experienced some wear and tear through its use all of our 2nd hand bikes have been certified by a cytech qualified mechanic all significant damage will be detailed in the table above please also refer to the