One reason the use of the number 13 is popular between bikers is that the thirteenth letter in the alphabet is M which is also the first letter in Mexico. Most likely paying respects to the Mexican mafia. The number 13 is also very common with street gangs for the same reason.
the number 13 can refer to marijuana, don't think bikers are into that tho!
Motorcycle Club.
the number 13 is the 13th letter of the alphabet, "M" for motorcycle, it can also stand for "MURDER" if displayed in a teardrop design. The number 69 signifies that the wearer has performed the 69 sexual position with witnesses present.
Inside - 2007 Outlaw Bikers Bandido Nation 3-9 was released on: USA: 13 May 2009
if you mean BMXing bikers then, No.
Radikal Bikers happened in 1998.
Radikal Bikers was created in 1998.
Bikers for Christ was created in 1990.
Bikers Inc was created in 2007.
The 13 stars stand for the 13 colonies
The Hairy Bikers' Cookbook was created in 2004.
Dumaguete Uni-bikers was created in 2007.