ProForm 300 Spx Bike Manual page 8

6. Orient the Seat Post (2) as shown.
Locate the Adjustment Knob (23) on the rear of
the Frame (1). Loosen the Adjustment Knob and
pull it outward. Then, insert the Seat Post (2) into
the Frame.
Slide the Seat Post (2) upward or downward
to the desired position, release the Adjustment
Knob (23) into an adjustment hole in the Seat
Post, and then tighten the Adjustment Knob.
Make sure that the Adjustment Knob is firmly
engaged in an adjustment hole.
7. Orient the Seat Carriage (3) as shown.
Locate the Adjustment Knob (23) on the Seat
Post (2). Loosen the Adjustment Knob and pull
it downward. Then, insert the Seat Carriage (3)
into the Seat Post.
Slide the Seat Carriage (3) to the desired posi-
tion, release the Adjustment Knob (23) into an
adjustment hole in the Seat Carriage, and then
tighten the Adjustment Knob. Make sure that
the Adjustment Knob is firmly engaged in an
adjustment hole.
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