if you mean BMXing bikers then, No.
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 13th letter of the alphabet is the letter M which stands for Marijuana. The number 69 represents the sexual position.
Fathful
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.
death to all..
40
... the 13th letter of the alphabet is M Mary Jane... Grass. Marijuanna. ....The 13th letter of the Alphabet is M and to some bikers it means the wearer has Murdered. Depends on the person. More prominent in 1%er Clubs.
Inside - 2007 Outlaw Bikers Bandido Nation 3-9 was released on: USA: 13 May 2009
If you mean the number 13, it is ʻUmi kūmākolu.
13 means that the number can be rewritten as 13/1.
Radikal Bikers happened in 1998.