This Herman Miller Aeron Chair Tilt Mechanism for size B is in great working order and includes many additional parts gears, springs, forward tilt lock, etc. All parts are working though the condition of the cylinder is unknown–I haven’t personally tested it.
The chair is in great condition. It is a fully loaded version. It has the following functions. Adjustable tilt tension. Backward and forward tilt. Adjustable lumbar support. These chairs came from a high end office in Atlanta.
The outer packing box may be slightly squeezed due to transportation and storage, please understand. Headrest H3 for Herman Miller Aeron Office Engineered Chair.