Look 986 Manual Del Usuario página 19

GB
E
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1 - Place the two conic cups on the seatpost head. Use the < symbol
engraved on conic cup B to align with the markers on the saddle stem.
2 – Hold both conic cups and slide the saddle's rails into the grooves of
the conic cups.
3 – Lightly lubricate the thread and under the head of screw E. Pass the
screw through the bolt plate and through the two conic cups placed on
the rod.
4 - Place the threaded plate A at the end of the screw so that the grooves
align with the saddle's rail.
5 – Tighten screw E in the threaded plate using a 5 mm hex allen key.
6 – Before definitely tightening the screw, adjust the angle and position
of the saddle to your convenience.
7 – Tighten together with screw E at the advised torque of 17N/ m, with
a 5 mm hex allen key.