Originally Posted by queerpunk

Why does the manufacturer of your frame mention a 53.5 chainline? You might want to doublecheck that. Frames don't have chainlines - drivetrains do. 42.5mm is a track chainline - just about all hubs and cogs place the chainline there, so you want to set up your crank to match. +/- a millimeter or two is fine. 10 is well past pushing it.

Yes, if your literature is correct, 108mm is the recommended length of the spindle. Note also that there are two different types of tapers - JIS and ISO. Confirm which type this Pro-Lite crankset is.