The saddle must be positioned horizontally or at an angle not less than -2 °. Must be considered the central area which mainly supports the rider.
All seatposts are compatible except those that do not support rails of oval section. In these cases adapters 8 x 8.5 mm can be used.
The aproppiate torque depends on the type of fixation used, as a general rule should be tightened enough so that the seat is held firmly and do not move. Although the rails are solid and very resistant, is recommended not exceed 7 Nm (Newton meter).