Two wheels with brake function. Total dimensions (LxW): 84 x 84 x 127cm.Gearbox mount platform (LxW): 32.5 x 33.5 cm. Cross base (LxW): 84 x 84 cm. Backup chain (L): 80 cm. Due to courier restrictions, some areas out of the UK mainland (Highlands/Islands/Northern Ireland etc) require an extra surcharge. Please allow slight 1-3cm difference due to manual measurement. Please allow slight color difference due to different monitors and lighting environments.