S&M Quick Release seat post clamp



two sizes, please select carefully:
28.6mm O.D. for frames that accept 1" (25.4mm) seat post
30mm O.D. for MOST frames that accept 27.2mm seat post
simple, clean, and effective seat post clamping device from the product assassins at S&M
quick release design so you can raise up to cruise, or drop it like its hot when it's shred-time