What is a superbike?
A superbike is a high-performance sports motorcycle built for speed and track-style handling, a broad, generic term rather than one specific model or make.
The word describes a class of riding, not a single design: any motorcycle with a powerful engine, lightweight chassis, aerodynamic full fairing and a riding position built for cornering fast, not for comfort. Superbikes sit at the top end of the sports bike family, tuned and equipped for track-day and racetrack use as much as the road, with brakes, suspension and tyres to match the power on offer. The term's been used loosely since the 1970s for whatever the fastest, most track-focused road bikes of the day happened to be, so it describes a moving target and names nothing specific. Racing series have their own technical regulations for what may enter them, and those are real rules, but they don't define the everyday word. Nothing does. The types of motorcycle page takes that up, alongside the one categorisation UK law makes.
Superbike as a racing class
On the track the word has a firm meaning. Superbike racing uses heavily modified versions of production road bikes, which sets it apart from MotoGP, where the machines are prototypes. A maker has to homologate a model, building the required number of road-going bikes, before it can race. The race bike must keep the road bike's profile from the front, rear and sides, and in general the frame cannot be modified. Engines are four-strokes: 850 to 1200 cc for twins and 750 to 1000 cc for four-cylinder machines.
The World Superbike Championship has run since 1988, when the FIM, motorcycling's international federation, formalised the rules. Britain had a series under the name earlier: the MCN Superbike Championship ran from 1971 to 1982, and Motor Cycle News brought a British series back under the modern rules in 1996. Superbikes also became the main class in endurance racing, fitted with working lights for the night stints, at races such as the Bol d'Or in France.
Road superbike and race superbike
The same word covers two different machines, and it helps to know which one someone means.
| On the road | On the track | |
|---|---|---|
| What it is | The fastest, most track-focused sports bikes of the day | A production bike modified within the class rules |
| Who decides | Riders, magazines and makers | The rules of each racing series |
| Lights and mirrors | Fitted | Taken off for racing |
Our sportbike art page covers this end of the spectrum in race-day style, with no manufacturer liveries to date it. If the stripped, bar-forward version of the same bike interests you more, see what is a streetfighter motorcycle?
Buying for someone who rides one? Motorbike gift ideas sorts through what's worth having.
Written by Craig Fearn, Throttlefolio. Last updated .
Questions answered
Is superbike an official category?
It is used both loosely, for any fast sports bike, and formally, in racing classes with their own technical rules - context usually makes clear which is meant.
What separates a superbike from an ordinary sports bike?
Mostly degree - more power, lighter weight, sharper handling and equipment built for track use, not a hard technical line between the two.
Keep reading
- Next Which bikes turn historic next
On 1 April 2027 motorcycles built in 1986 become old enough for the historic vehicle tax class. The DVLA had 17,205 of them on its books at the end of 2025, 14,971 of those declared off the road. The DfT warns that a winter count affects motorcycles especially, so read it with that in mind.