This complete bike can be used both as a running wheel and as a drive wheel. To use as a drive wheel, please remove a ball bearing so that the drive star is visible. Safety and warning instructions - Functionality is only guaranteed for original spare parts - Please do not fit Dino Cars spare parts to third-party vehicles, we exclude any liability, guarantees or return of Dino Cars spare parts. - Observe the maximum weight: Do not exceed the load limit - Assemble and disassemble safely: Only assemble spare parts under the guidance of an adult and with suitable tools. -Assemble and disassemble safely: Only attach attachments under the guidance of an adult and with suitable tools. -Only use suitable attachments from DINO CARS. Information about the manufacturer/distributor DINO CARS Evers GmbH Dorfstrasse 63 26899 Rhede Ems / Brual Deutschland Tel: 04964-604900 E-Mail: info@dinocars.de