Type of off-road racing

• Cyclists' sport, for short
• Extreme sport, for short
• Brand of racing bikes
• X-Games bike, briefly
• Vehicle to be raced in the Olympics for the first time in 2008
• Stunt biker's bike, briefly
• Wee racing bicycle

Wikipedia Word definitions in Wikipedia
Cytoplasmic tyrosine-protein kinase BMX is an enzyme that in humans is encoded by the BMX gene .