Fort William World Cup: New tech in the pits New bikes, custom builds and prototype kit Share on Facebook Share on Twitter Share on Pinterest Share on Whatsapp Share on Reddit Email to a friend By James Costley-White Published: June 3, 2011 at 4:20 pm Empire’s new MX-6 carries over the look of the British company’s AP-1 downhill bike but the frame is machined rather than cast James Costley-White/BikeRadar Empire MX-6 James Costley-White/BikeRadar Empire MX-6 James Costley-White/BikeRadar Empire MX-6 James Costley-White/BikeRadar