Profile Design Legra Alloy Seatpost. The Profile Design Legra alloy seatpost will keep you comfortable in the saddle on your long commutes or during performance training. The Legra is made with durable and lightweight 3D forged 6061 T6 aluminum and features 3D forged 6061 T6 aluminum upper and lower clamps. The seatpost is offset at 25 mm to put you in the perfect riding position, and the forged double clamp head makes stepless saddle positioning possible. The Legra has a two bolt, non reversible head that makes attaching your saddle a cinch, and the seatpost is compatible with 7 mm saddle rails and weighs just 313 grams. The Profile Design Legra alloy seatpost will keep your bike looking sleek, with its matte black color, but more importantly, feeling sleek, with its lightweight and comfortable design.