BizChair offers the Flash Furniture Race Car Office Chair in Black/Grey, model no. BT-9015-GYBK-GG, for $136.99 with free shipping. That's tied with last week's mention and the lowest total price we could find by $14. It's height adjustable and features an integrated headrest, built-in lumbar support, tilt lock control mechanism, tilt tension control, and adjustable tilting arms.