Weve taken our pro proven service course sl seatpost and made it better and lighter the redesigned post weighing just 235grams for 20 mm setback and 220 grams for the 0 setback are lighter while providing security and a precise fit its also designed for easier tool access to the downward facing bolt for easy setup better fit means better performance if your saddle is out of position youll waste energy with every pedal stroke the secure low profile clamp allows the saddle to slide f