Weight-activated synchronized mechanism
20° backrest / 6,5° seat
4 positions
By lever
4° forward, by lever
Tension fine-tuning by lower knob
Donati quick connection sliding seat rails
Donati standard (width 90 mm [3.5 in])
28 mm [1.1 in]
Black painted
Black
D109 Seat angle adjustment
— Tilt lock→ 1062652
— Travel restriction → 1062852