2011 Harley-Davidson® Sportster® Nightster™ The 2011 Harley-Davidson® Sportster® Nightster™ XL1200N has a unique Dark Custom™ style. From front to back, this bike has a vintage motorcycle look. This Dark Custom has several custom styling features that all add up to a stripped down, minimalist, vintage motorcycle look. Medium gray 1,200 cc engine with polished rocker covers. Black belt guard with lightning holes. Black front forks with gators. Black headlamp body and visor. And black cast aluminum wheels that shoot Nightster™ into the modern rebel culture and keeps the rebellious fire burning with plenty of freedom for customization.