They are no longer groups of young people who like tinkering with motorbikes. The conduct of XTC, Exalt to Criminality, in Pekanbaru can be classified as criminal. They have set a target of robbing one mini-mart every week. The group's 'spiritual leader,' Klewang, is an old recidivist who has been in and out of jail. XTC is no more than a group of thugs on bikes.

The increasingly brutal trend of biker gangs in cities such as Bandung, Yogyakarta and