A high performance, low-maintenance and low total lifetime cost product. Vast offering of frame styles, seat-to-floor heights, back styles, widths, depths, frame colors and a wide range of options and accessories. Components are interchangeable with all other 9000 and Tracer series chairs. Dual axle positions allow variations of seat-to-floor heights. Durable, chrome-plated, carbon steel frame with aluminum crossbraces. Offset axle position allows adjustment of center-of-gravity to increase maneuverability and stability to meet each user skill level. Urethane rear tires mounted on “no flex” wheels offer superior performance. Desk length, fixed height conventional, flip-back arms. Adjustable back height: 15″ – 19″. Product weight: 31 lb, weight capacity: 250 lb. 5 year warranty on frame and crossbraces. Front riggings sold separately.