Mavic Steuersatz / head set /  jeu de direction / serie sterzo /

brand:  Mavic
model:  317
ø:      1 1/4" = 31,8 mm
thread: 31.8 x 26 F
cone:   33.0 mm
stack:   -
weight: 135g
colour: silver
year:   late 1980-1990s