Schwinn 112 Parts List, Full Size Hardware Chart, Product Illustration, Assembly Instructions page 11

Attach Computer/Handlebar Mast to Main Unit. Attach Handlebar
Assembly to Computer/Handlebar Mast.
Assembly Hardware Required:
Assembly Stage #4
(4) M8 Allen Bolt 16mm (item #8)
(already on main unit)
(4) Curved Washers (item #17)
(Already on main unit)
(1) T-Knob (item #22)
(1) T-Knob Bushing (item #23)
(1) Spring Washer (item #24)
(1) Flat Washer 7x12x1T (item #25)
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