?DESIGNED TO SPEED UP? These luminous skate wheels are designed with an exclusive anti-stick compound to provide long-lasting and fantastic grip and reduce friction that gives a fast consistent, smooth slide all the way through. ?LIGHT UP YOUR SKATE?These double-row roller skate wheels combines of red, blue and green lights, colorful and dazzling. The LED lights come on automatically when the quad skate wheels are spinning. So the faster you skating the brighter they get, using this light up roller skate wheel to show off your speed and passion!. ?STURDY & DURABLE BEARING?Using 608RS high-speed rotating bearing, these indoor roller skate wheel sliding smooth, durable and fast rotating without noise, at the same time the skateboard wheels would help skaters get more gummy skating experience and raise comfort while skating. ?82A HARDNESS FOR OUTDOOR PERFORMANCE?With 82A hardness, providing balance of grip and softness, these PU skate wheels are soft enough that you don't feel every bump, but roll as smoothly as any other hybrid roller skate/skateboard wheel, great to skate on hard outdoor surfaces. ?MULTI-FUNCTION ROLLER SKATE WHEELS?8 pack outdoor roller skate wheels 32mm x 58mm with ABEC-9 bearings installed perfect fits your roller skate, quad skate or skateboard, installation toolis included.