Indigo fitness was formed in 2014 by the merger of indigo23 and leisure lines indigo specialises in equipment for weightlifting strength and conditioning designing and manufacturing station strength equipment at its factory right here in the uk key features of the indigo ifi seated leg curl colour contrasted seats oversized to add stability and comfort raised weight stack 2kg start weight step up platform height adjustable leg clamp rubber moulded raised and coloured weight number rang