Pro Stock Motorcycle Pro Stock Motorcycle Pro Stock Motorcycle, formerly known as Pro Stock Bike, is a motorcycle drag racing class that is the two-wheeled equivalent of Pro Stock. It has been a feature of NHRA drag racing since the 1980s when it was added to the professional class structure and has since spread around the globe. The first points championship season was the 1987 NHRA season. The class has for years been dominated by inline-4 cylinder Suzuki based bikes but in recent years Harley-Davidson based V-twin machines have become more competitive due to favorable rule changes (160 c.i. Harleys vs. 107 c.i
Böhmerland (motorcycle) four soldiers, and used two gearboxes, with the rear operated by a passenger, giving 9 ratios. The Langtouren model is notable for having the longest wheelbase of any production motorcycle, . Around 3000 total machines emerged from Leibisch's factory in Schönlinde, Sudetenland, Czechoslovakia. The factory employed 20 workers, assembling parts manufactured locally to Leibisch's specification. Böhmerland (motorcycle) Böhmerland, or Čechie as it was known domestically, was a Czechoslovak motorcycle manufacturer from 1924 until World War II. Almost all aspects of this distinctive motorcycle were designed by Albin Leibisch, including the extremely long, all-welded tube-frame chassis, the built-up leading-link front forks,