Features selection and preparation of skis Reasonable selection, terms of use, and features care of equipment determine the speed properties and wear resistance of the roller skis. The article presents the classification of skis, platforms, wheels and bearings of the roller skis. The described method of calculation of the length of the roller ski poles, methods of sharpening and setting tips. Illustrated ways of taking care of the bearings of the wheels of the roller skis. Original article: Introduction For efficient movement on roller skis is especially important the correct choice of sports equipment and its preparation for operation. When purchasing skis first of all, consider the skill level literallist used the technique of moves and purpose, which predetermine any type of equipment [9].