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
Arrow (motorcycle part manufacturer) with Adrien Chareyre and SS World Championship with Andrew Pitt, cementing its place as a leader in the market. Today the firm also produces other key motorcycle parts including steering dampers and competition footpegs. Arrow (motorcycle part manufacturer) Arrow Special Parts is one of the world's leading motorcycle exhaust manufacturers. It was founded in 1985 in Italy when Giorgio Giannelli realised his dream of creating a company whose main purpose was the production of highly performing exhaust systems. After a couple of years, the first great success arrived with Belgian rider Jobé winning the 500cc Motocross World Championship. Since 2000