Sorry dude, I'm not sure I know what you mean. What part of the dropout is 1.4cm?
None, the bolt on the original axel would be 14mm, whereas the ones on your halo wheels are 15mm track nuts. So the axel of your wheels are too big for your frame in a nutshell.
None, the bolt on the original axel would be 14mm, whereas the ones on your halo wheels are 15mm track nuts. So the axel of your wheels are too big for your frame in a nutshell.