The ball bearing is compatible with almost all Dino Cars axles and wheels. Safety and Warning Information - Functionality is only guaranteed for original spare parts. - Please do not install Dino Cars spare parts on vehicles not manufactured by Dino Cars. We exclude all liability, warranties, and returns for Dino Cars spare parts. - Observe the maximum weight: Do not exceed the load limit. - Install and remove safely: Only install spare parts under adult supervision and with appropriate tools. - Install and remove safely: Only attach accessories under adult supervision and with appropriate tools. - Use only compatible DINO CARS accessories. Manufacturer/Distributor Information Fröhlich & Dörken GmbH Stefansbecke 44 45549 Sprockhövel Germany Tel: +49 2339 12324