These 2-bolt seatposts have a setback of 30mm and are set to allow the seat to be placed at the rear of the normal one. That's why it's very important for those who use classic style leather saddles with short rails.
Weight is 301g. The inside is molded into an oval shape to make it lighter without sacrificing durability. The two bolts can be adjusted from below, making the task easier.
27.2mm only x 300mm.
Maximum height (above the min. Insert line) is about 23cm.