Softail Blackline. The 2012 Harley-Davidson Softail Blackline FXS is a modern, ong, ustom motorbike with a minimalist, ow profile and plenty of vintage Harley-Davidson parts. New for 2012, he Harley Blackline features a new, arger air-cooled Twin Cam 103 Harley engine with 6-speed cruise drive transmission, roviding more power for passing, ill-climbing, nd riding with passenger and luggage. The FXS Blackline features a rigid 'hardtail' rear suspension and narrow rear profile. This contemporary custom bike is slung low with an aggressive riding position that is both cool and comfortable. The Harley Blackline is reminiscent of the glory days of Harley-Davidson motorcyclingâthe black headlight, lammed speedo mounted on the triple clamp, ound air cleaner cover and black horseshoe oil tank are reminiscent of pre-war H-D parts and accessories; the fuel tank with small tank graphics are inspired by the 1977 Low Rider motorcycle; and the black cylinders with gray heads and black rocker covers is a look you'd find on the Panheads and Shovelheads of the 1950's and 60's. The 2012 H-D Softail Blackline features a lot of blacked-out parts and not a ton of extrasâeverything is functional and ready for the road.