'''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
The pin must be lined up exactly with the holes in the body on both sides before it will drive in flush. Look at the hole on the opposite side and wiggle the pin until it is aligned properly and it should slip back in with little force. Once it's centered, replace and tighten the set screw.