by geeves » Tue Apr 14, 2015 5:49 pm
They look like they are either welded or swaged in. If swaged they might be able to be removed. Other option though would be use the 2 extra front pins. I have known someone that drilled standard bolts and fitted a nipple but he had access to a machine shop beyond the average handyman. I believe hes in Malaysia at present
Sanding your knuckles before starting work can help. That way you cant skin them