Self Powered LED Lighting activates vibrant LED illumination as the wheels rotate, with no batteries needed, adding visibility and style for both indoor and outdoor skating. Complete Size Options include 8 wheels in 70mm diameters with 24mm thickness and 8mm bearing bore, fitting a wide range of inline skates setups with easy installation. Smooth And Long Lasting Ride made from PU material with 82A hardness for stable grip on various surfaces, offering quiet, shock absorbing performance suitable for commuting, park rides, or school journeys. Versatile Compatibility designed for inline skates, scooters, children's scooters and various pushchairs, quickly replacing worn wheels while upgrading your ride with steady, colourful light effects. Stable Performance Design supports balanced rolling and controlled turns, helping to maintain a smooth ride and visual brilliance throughout extended use. Self Powered LED Lighting activates vibrant LED illumination as the wheels rotate, with no batteries needed, adding visibility and style for both indoor and outdoor skating. Complete Size Options includes 8 wheels in 70mm diameters with 24mm thickness and 8mm bearing bore, fitting a wide range of inline skates setups with easy installation. Smooth And Long Lasting Ride made from PU material with 82A hardness for stable grip on various surfaces, offering quiet, shock absorbing performance suitable for commuting, park rides, or school journeys. Versatile Compatibility designed for inline skates, scooters, children's scooters and various pushchairs, quickly replacing worn wheels while upgrading your ride with steady, colourful light effects. Stable Performance Design supports balanced rolling and controlled turns, helping to maintain a smooth ride and visual brilliance throughout extended use. Color: Blue Material: Rubber Package Contents: 8Pack In-Line Skate Wheels