superbike 
noun
A high-performance motorcycle.The Toy Run is open to all motorcyclists from 50 cc scooters to 1500 cc superbikes and is not restricted to motorcycle club members....
- On 600s you are also allowed only a small amount of adjustments, whereas in superbikes you're allowed an infinite number.
- I've been on runs with some of the lads on superbikes and the machine just leaves them for dead round corners.
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