Originally Posted by
Chrome Molly
So I just pulled a triple arabesque group from my brother in-law's bike with a broken frame. It's a 39-45-52 ring crank with a 130 bcd. Never seen anything like that before...
As Jeff said, triple chain ring bolts were used to turn doubles into triples but this worked better with a 110 bcd crank as you could get a lower granny... no aftermarket drilling is required.