Rollerblade Men's Maxxum 100 Skate Genuine and original Rollerblade quality skate The ultimate blend of support, control and speed Vented and molded shell provides a secure comfortable fit for years of use Specialized fit with shock absorber liner double buckles and laces RB Hydrogen wheels 3 x 100mm 1 x 90mm 85A and precision SG9 bearings 310mm extruded aluminum frame