To celebrate 10 years of the RSV4 Aprilia has unveiled a new, track-ready version of its hugely successful superbike; the RSV4 X.

As part of the 2019 Aprilia All Stars event at Mugello, Aprilia unveiled a track-only version of its RSV4 sportbike. Ridden around the Italian circuit by former WSBK and 250cc world champion Max Biaggi, the 225hp ‘X’ has been tailor-made by Aprilia Racing – and if you delve into the bikes technical specification, it’s obvious that it’s serious about its performance on track.

One of the big differences between the standard RSV4 and the ‘X’ is weight. Aprilia Racing has worked hard to lighten the bike, making use of a selection of lightweight components, including a carbon fairing (which comes with Aprilia RS-GP graphics), a lightweight fuel tank, a billet aluminium clutch lever, front brake lever guard, engine sump guard, adjustable foot pegs and upper steering plate. Plus, it comes equipped with a set of Marchesini forged magnesium wheels (fitted with Pirelli slicks) which help keep the bike’s weight down to 165 kg.


The RSV4 X is powered by a 1100cc V4 engine that’s been prepared by Aprilia Racing. It gets hand-assembed and fine-tuned just the same as competition engines. Its distribution system is overhauled too, with new intake camshafts, new valve return springs and caps and new convex bucket tappets.
It comes with a titanium Akrapovic exhaust system, a MotoGP-spec air filter and it receives an ECU map (with dedicated track settings). It’s also fitted with the ANN (Aprilia No Neutral) system – which is essentially a gearbox with neutral positioned below first gear that speeds up shifting from first to second and prevents any up-shifting errors. It’s another clever piece of technology derived from Aprilia’s experiences in WSBK and MotoGP. And for braking, there’s some serious Brembo GP4-MS callipers which combine with a pair of steel brake discs with T-Drive technology (and are controlled by a machined from solid 19×16 radial pump).

There are only ten Aprilia RSV4 X bikes available – so if you’re interested you better move fast. Priced at 39,900 Euros (which works out just shy of £35,000) the new RSV4 X can be reserved online during the second half of April. For more information, visit:

Tony Carter

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