SPORTSTECH BRT500 Manuel D'utilisation page 39

Step 5
A
Place the seat pad (15#) onto the main frame and secure it with 4 pcs M8*40 Allen
bolt (29#) and 4 pcs Ø8 washer (32#).
B
Please the backrest pad (14#) onto the backrest pad support (3#) and secure it with
the same way.
Allen Wrench
39