Salsa Rack-Lock Seatpost Clamp - 32.0mm Bolt-On Black

Rack-Locks keep your seatpost in place and provide a mounting position for the front struts of a rack.34mm-wide rack mount threaded for M5 boltsMachined 6061-AL with stainless steel pivot and boltAnodized with laser-etched logoFor smooth operation lightly grease the bolt threads