ErgoSelect Spark Mid Back Chair

Base options – Black nylon or polished aluminiumgaslift options – 100mm, 130mm (standard) or 200mmmechanism options – 3 lever with seat slide, 4 lever with seat slideCustomer specified fabricSeat options – compact seat, square seat, ergo seat or XL seatOptions: add: adjustable arms or no arms.3 lever or 4 lever mechanism? 3 lever mechanisms are the most common, and allow the chair to be set up with the seat tilt or back angle locked at any angle you choose. (independent tilts).4 lever mechanisms while still allowing independent tilt adjustments also feature “rocking motion”, the mechanism can be unlocked and the tilt tension adjusted to your body weight. The 4 lever mechanism also has a separate lever that will allow you to “lock-out” the forward tilt feature of the chair.