Salsa Post-Lock Rack Mount 31.6 Black. The Post-Lock is a rear-mounted rack attachment that can be positioned directly on a seat post to provide a secure mounting point.

This is not a seat collar and cannot be used to keep your seatpost in place

Not for use with carbon fiber seatposts

Please consult your seatpost manufacturer to check compatibility

Max torque 3 - 5 N-m

34mm-wide rack mount threaded for M5 bolts

Stainless steel pivot and bolt

Black anodized AL-6061 aluminum with laser-etched logo