ROLL-LINE SFERA 63mm FIGURE ROLLER WHEELS

Star Wheels were considered as a top-tier roller skating wheel for figures, praised for their exceptional smoothness, good grip, and high quality materials.  Five (5) hardness options are available to adapt to various skating surfaces with varying amounts of grip. Standard “D Scale” Rating Previous STAR Models Roll-Line GIOTTO “D Scale” Hardnesses Amount of Skating Surface Grip 47 CS40 47 Least Grip / Slippery 49 HD70 49 Slightly More Grip 53 HD75 53 Medium Grip 57 HD80 57 Adherent Surfaces 60 HD84 60 Very Adherent Surfaces – The lower the Shore “D Scale” rating, the softer the wheel, the more the grip, less roll. – The higher the Shore “D Scale” rating, the harder the wheel, the less the grip, more roll. – The Roll-Line GIOTTO has a profile of 21mm and is made of Pluricomponent Thermoplastic Elastomer. – While the new SFERA has a profile of 32mm and is original Star compound. – Both the Roll-Line Giotto and new SFERA are 63mm in diameter.