Aprilia RS4 50 2012 Motorcycle Review | The RS4 50 allow young enthusiasts to take advantage of the maximum levels of technological innovation, chassis efficiency, active safety and component quality. They belong – not only from a styling point of view – to the same range of extremely high performance Italian motorcycles in which the Aprilia RSV4 stands out, the extraordinary bike which conquered two world titles in the 2010 Superbike season.
APRILIA SPORT BIKES: WINNING DNAIn its short history, Aprilia has earned 48 world titles (37 in Moto GP, 2 in Superbike, 9 in off-road competition) and hundreds of championship races, to become the most victorious Italian and European brand in just a short period of history in Moto GP.
It is precisely in the youngest classes of Moto GP that Aprilia established itself as a true “school of champions”. On Aprilia 250 and 125 bikes in the RS series (RS, RSV, RSW and RSA) riders such as Biaggi, Rossi, Melandri, Stoner, Lorenzo rode to their first great triumphs.
Every weekend, all over the world, Aprilia bikes take to the track, from international venues to local races, holding high the honour of Italian and European motorcycling, supporting the biker’s desire to race and cultivating young riders destined to enter the world championship scene.
Aprilia has always drawn from this wealth of success and technical skills for mass production – both in the philosophy which inspires the product and the aesthetics which are often taken from the racing bike – establishing itself from the start as an absolute leader in the 50 and 125 super sport segment, categories in which the Noale brand has introduced timeless innovative concepts and solutions and dictating trends which would be followed by all of its competitors.
– RS4 50 – 50cc 2 stroke single-cylinder engine, liquid cooled with six speed transmission
– stiff aluminium perimeter frame derived from racing experience
– 41 mm upside down fork
– front brake with 300 mm disc and radial four piston calliper
– Superbike inspired analogue/digital instrument panel
– fairings derived directly from the RSV4 for total aesthetic coherence with the SBK bike
– LED taillight
The livery and eye-catching forms of the Aprilia RS4 50 echo the looks of the Factory version of the Aprilia RSV4 supersports bike. And the RS4 shares more than just a family resemblance with the most hardcore street version the bike dominating the world SBK championship.
The design of the fairings and tank, the 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.
With the new RS4 50, Aprilia confirms its global leadership in the small capacity sports and young-targeted bike segment, creating models that exceed the expectations of even the most discerning rider.
The sophisticated chassis architecture of the Aprilia RS4 50 is complemented by state of the art engines.
The chassis is without a doubt the feather in the RS4 project’s cap: built based on the exceptional experience which Aprilia has gained in WSBK and the 125 and 250 classes in Moto GP, it uses die cast aluminium spars with crossed reinforcement ribs. With its state of the art design, this extremely lightweight structure offers high torsional stiffness.
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 Aprilia RS4 50 is available in two colour schemes – “Racing Black” and “Racing White” – and in the bold “Replica SBK” livery which takes its colours from big sister, Aprilia RSV4 SBK, the bike ridden by Max Biaggi in the World Superbike championship.
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