The SL-250 post from FSA is a well-designed and fairly basic seatpost the is light for its class and white. The alloy shaft is forged and CNC'd, then painted white. The seatpost head has a durable and easy to use two bolt saddle clamp. It has the standard 20mm of setback that tends to work for most cyclists. Measurements is 350mm from the saddle rails to the end of the post and 240mm from the saddle rails to the minimum insertion line.