Hardness: 82A for a durable grip on gutters, sidewalks, or streets. Performance: Smooth, comfortable, and durable for an enhanced riding experience. Usage: Suitable for double row skateboards, skateboarding, and roller skates. Ideal for various environments including indoor and outdoor use on asphalt, in parks, and more. Material: Made of polyurethane and polypropylene for long-lasting durability. Features bright, consistent lighting. Tips: The bearing must be firmly pressed to activate the light function; otherwise, the light will not illuminate. Features: - 82A hardness provides reliable grip on rinks, sidewalks, and streets. - High-performance design ensures smooth, comfortable, and durable use. - Compatible with double row skates, skateboards, and roller skates. - Constructed from PU and PP materials for resilience and strength. - Light remains bright and does not dim during use. - Suitable for indoor, outdoor, park, and street applications. Specifications: - Material: Polyurethane and polypropylene - Color: Blue - Dimensions: Approximately 5.8 x 3.2 cm (diameter x width) - Bearing: 608RS high speed - Core: LED light - Hardness: 82A - Application: Double row skating, skateboarding - Resilience: 80% Package Includes: 4 luminous wheels Note: 1. Due to lighting and screen differences, the actual color may vary slightly from images. 2. Hand measurements may result in a size variation of 0.52 cm.