This standard applies to roller skates intended for users with a body mass of more than 20 kg and less than 100 kg. This standard specifies safety requirements for roller skates, specifications for test methods, marking and information supplied by the manufacturer to reduce the risk of injuries to both third parties and the user during their normal use. Roller skates for use by a user of less than 20 kg do not belong to the scope of this standard. They are toys. This standard does not apply to inline-skates.