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4. Slide the Butterfly Upright (4) over the indicated
M8 x 61mm Carriage Bolts (75) in the Butterfly
Base (1). Hand tighten two M8 Nylon Locknuts
(86) onto the Bolts. Do not tighten the Locknuts
yet.
4
7
5. Press three 50mm Square Inner Caps (67) into
the Butterfly Top Frame (7).
Attach the Butterfly Top Frame (7) to the indicat-
ed bracket at the top of the Butterfly Upright (4)
with two M8 x 66mm Bolts (89), a Medium
Support Plate (109), and two M8 Nylon Locknuts
(86). Do not tighten the Locknuts yet.
5
86
86
67
109
4
4
1
75
67
67
7
86
89
6. Press a 50mm Square Inner Cap (67) halfway
into the top of the Butterfly Leg (11). Attach a
Bumper (50) to the Butterfly Leg with an M4 x
25mm Screw (80).
Attach the Butterfly Seat Frame (10) to the
Butterfly Leg (11) with two M8 x 66mm Bolts (89),
two M8 Washers (100), and two M8 Nylon
Locknuts (86). Do not tighten the Locknuts yet.
6
89
67
80
50
11
10
86
86
100
100