42x16 is similar to 48x18 i think...
here, try http://software.bareknucklebrigade.c...it.applet.html. In terms of gear inches, you'd probably want to be around the high 60s and low 70s.
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42x16 is similar to 48x18 i think...
here, try http://software.bareknucklebrigade.c...it.applet.html. In terms of gear inches, you'd probably want to be around the high 60s and low 70s.