Office Chair Mechanisms
Replacement mechanisms for office seating
Browse office chair mechanisms at Bum Seating to replace the control assembly beneath an existing seat. Depending on the design, this component may operate tilt, locking or other seat adjustments. Match the replacement to the original chair's mounting points and functions before ordering.
Identify the mechanism you need
A control that feels faulty does not always mean the same part needs replacing. Check which function is affected and identify the original mechanism where possible. Product photographs can help with comparison, but accurate measurements are essential.
- Measure mounting-hole spacing in both directions.
- Compare the mounting plate, gas-lift connection and lever position.
- Check the tilt and locking functions listed for the replacement.
- Confirm which fittings or hardware are included.
Check related chair components
If the issue concerns seat height, compare office chair gas cylinders and confirm the cause before buying a part. For other repairs, see chair bases and the full replacement parts range. Send Bum Seating the model details, photos and measurements if you need help narrowing down a compatible mechanism.
8 products
Office Chair Mechanisms
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Operator Back Rake Mechanism
R379.50 -
Swivel and Tilt Mechanism
R299.00 -
Economy Synchro Mechanism
R299.00 -
Knee-tilt Synchro Mechanism
R759.00 -
Knee-tilt Mechanism
R759.00 -
Infinite Lock Mechanism
R379.50 -
Roma Mechanism
R69.00