As a lock for Thule hitch mount bike rack, do I need the Thule STL2 Snug-Tite Lock or any generic will fit?

Can I use a generic locking pin in the Thule 915 hitch-mount bike rack?|||If you mean to lock the rack to the hitch I don't see why you cant. It is a little high at $45. You can put shims in the hitch mount to keep to from moving too much if that is a problem. Most hitch racks just have a loose fit.