A serious biker is a person who lives his life around bikes... starts the day with the bike... ends the day with it... works on his bike... weekends on bikes... racing, tinkering and stuff... no need to have a gang or membership of any club doing charity rides... talks about bikes... talks to his bike... doesnt do researches on iridium, synthetic oils, tires... doesnt carry tools.. a screwdriver, vise grip and duct tape will do...he just knows what's best...for his bike or bikes... and, oh... maybe he doesnt have time for any forum either... just rides and rides...