Exerpeutic Folding Upright Bike Owner's Manual page 12

Step 3
Align bolt holes on underside of Seat Cushion (6) with holes on top of Seat Post
(5), then attach with three Ø8.2xØ16.8 Flat Washers (33) and three M8x15
Hexagon Socket Bolts (58). Tighten bolts with the Allen Wrench with Phillips
Screwdriver provided.
Insert the Seat Post (5) into Seat Post Plastic Bushing (12). Adjust seat
position and insert the M16 Seat Height Adjustment Knob (14). Turn the M16
Seat Height Adjustment Knob (14) in a clockwise direction to tighten.
Hardware:
(14) Seat Height
Adjustment Knob M16
1 PC
ASSEMBLY
Tool:
Allen Wrench with Phillips
Screwdriver
(33) Flat Washer
Ø8.2xØ16.8
3 PCS
11
(58) Hexagon Socket Bolt
M8x15
3 PCS