Race face evolve seatpostthe evolve post features our new innovative head design which offers easy saddle installation full adjustability while minimizing weight all at a reasonable price features features race face exclusive new hunter head design simple lightweight 2 bolt design permits the saddle to be installed without disassembling the head thumbscrew tightening system allows quick dial in of the saddle angle by hand angled clamp bolts allow easy tool access for hassle free adjustment a