The model is compatible with GO-UP JUNIOR PRIMO scooters. The wheel features LED lights in blue, green, and red colors. It operates without batteries, thanks to the dynamo in the core of the model. The material used is of high quality and flexible, providing excellent rebound and softness during movement. Have fun with the colorful rear wheel from Globber and create many joyful moments outdoors! The set includes one bearing and one wheel. Size: 80 mm