shifters size matters
hi all i am modifying a frame to have internal shifter cables. the shifters i am now using are suntour symmetric. clamp on type. all my other components are shimino 600 Arabic. the ? is are any of the shimino aero top of tube 6oo s the same width as the suntour. i want to switch maybe later and want cable entry to look good. Also the top tube bolt on might both have different thread sizes to the boss if i go bolt on?