The new 2013 Aprilia RS4 has a new improve engine can run the top speed in the road. The 2013 Aprilia RS4 50 unique looks of the front end, with the headlights suspended over the gaping air intakes, and the spectacular tapered tail fairing are identical to their counterparts on V4 1000 cc supersports model that set new standards in terms of style and technical content for the superbike segment. The 2013 Aprilia RS4 50 bikes have a decidedly aggressive look that lends a unique character to the entire front end. And as well as contributing to the extremely aggressive looks of the bike, the top fairing and tail fairing also maximise performance in terms of speed. The 2013 Aprilia RS4 50 has a price of £3120.00.The 2013 Aprilia RS4 50 has a single cylinder 50 cc unit developed by Aprilia is a water cooled two-stroke with reed valve induction. The six speed gearbox lets the rider make full use of the performance 2013 Aprilia RS4 50 of this class beating engine. The 2013 Aprilia RS4 50 boast class beating brake systems each bike uses a 300 mm steel disc at the front, gripped by a four piston radial calliper, and a 220 mm disc at the rear with a single piston calliper. The front suspension also boasts a class beating layout, with a sturdy 41 mm upside fork, black anodised stanchion clamps and a wheel travel of 110 mm, while at the rear is a monoshock linked directly to the asymmetric swingarm. The 2013 Aprilia RS4 50 design of the split 6-spoke design of the wheels further emphasises the purposeful character of Aprilia latest small capacity sports bikes. The 2013 Aprilia RS4 50 has available two colour schemes the Racing Black and Racing White. With the 2013 Aprilia RS4 50 the most World Superbike championship motorcycles.