Secure using two M8 carriage bolts from underneath. Fix with washers and acorn nuts on top. Tighten firmly with the multi-purpose wrench.

Open the battery cover on the back of the computer console. Insert two standard AA batteries.

Insert the completed seat post assembly into the vertical frame tube.

: To store the bike, remove the safety locking pin, collapse the frame into the "X" position, and re-insert the pin to hold it closed.