Professional wheels (57 mm) are the traditional series of Roll-Line freestyle wheels. They ensure grip on any surface and in any instance. Given their characteristics, these wheels have been equipped with a rigid hub that supports the polyurethane tread. Available in four hardnesses (colors) and one diameter: 57mm. When used with Roll-Line artistic frames, use 7 mm bearings (not included).
 
FOX 92 (BLUE)
• Skating Surface Type: Very Slippery
• Matches (2): Devil 36, Devil 39
 
PANTHER 95 (WHITE)
• Skating Surface Type: Slippery
• Matches (2): Devil 42, Devil 45
 
MUSTANG 97 (SILVER)
• Skating Surface Type: Medium
• Matches (2): Devil 47, Devil 49
 
LEOPARD 99 (YELLOW)
• Skating Surface Type: Adherent
• Matches (2): Devil 53, Giotto 57
 
ADJUSTMENT PERIOD & COMPATIBILITY
The rounded finish allows for use in competitions with a minimal adjustment time. It is possible to combine these wheels with the Devil wheels for a perfect balance between grip and smoothness. Being made of polyurethane, the Professional series is graded with a Durometer Shore (hardness) scale that is different with respect to other wheels. However, it is possible, with a fair approximation, to create a correspondence shown in the following. In general, the softer the wheel (or the lower the “Shore” hardness number), the greater the grip and the slightly lower the smoothness. The harder the wheel, (or the greater the “Shore” hardness number), the greater the smoothness and slightly less grip.