Give your inline skates a blast of colour with the sfr inline light up wheelsthe sfr inline light up wheels come with flashing leds built in the magnetic generator lights up the wheels as they spin making these wheels stand out from the crowd they come in a range of sizes to fit most recreational and fitness inline skates on the market and are made from 82a shr pu with a coloured core and sporty graphics making these wheels the perfect upgrade for your skatespack of 4light up inline wheels