What are the top 50 fastest production stock motorbikes for top speed? Top Speed has been one fo the benchmark figures for how desirable a motorbike is. As bikes have got more powerful, these top speeds have become more of a figure on paper than an achievable figure even on track. Nonetheless these Top Speed figures still matter to us. The faster the better. Select a bike to find even more figures and specs including 0-60mph, 0-100kph, bhp, torque, engine capacity and more.