Weve taken our service course seatpost and made it better the result is a post thats lightweight and strong for security and a precise fit at an affordable price the new service course seatpost also is improved 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 farther back along the rails and with 0 mm