Hardness: 82A for durable grip, whether on a skate, sidewalk or in the street.Performance: smooth, comfortable and durable, allowing you to find more pleasure.Usage: Suitable for double row skating and skateboarding, roller skates. Suitable for many occasions, indoors, outdoors, on asphalt, in parks.Material: Made of PU and PP, durable, the light is bright and does not fade.Tips: The bearing must be pressed tightly for the product to emit light, otherwise it will not emit light.Features:82A Hardness: Gives you a durable grip, whether on a skate, sidewalk or on the street.High performance: smooth, comfortable and durable, allowing you to find more pleasure.Usage: suitable for double row skating and skateboarding, roller skates.Material: Made of PU and PP, durable, the light is bright and does not fade.Occasions: suitable for many occasions, indoor, outdoor, asphalt road, park.Tips: The bearing must be pressed tightly for the product to emit light, otherwise it will not emit light.Features:Material: PU+PP.Color: whiteDimensions: approximately 5.8 x 3.2 cm (diameter x width).Bearing: high speed 608RS.Core: LED light.Hardness: 82 A.Application: double roller, skateboard.Resistance: 80.Content:4 luminous wheels.Note:1. Due to the lighting and individual monitor settings, the item's color may be slightly different from the pictures.2. Measurements are taken by hand, the dimensions indicated may vary by 0.5-2 cm.