Material: aluminium. Material: Aluminum. Dimensions: 150 cm x 110 cm x 60 cm. Folded: 85 cm x 65 cm x 30 cm. Folding bike made of lightweight aluminium. 8 gears, 20 inches, 11 kg. Folding bike in light-weight aluminum. 8-speed, 20 inch, 11 kg. Integrated air pump in the saddle post. Tire pump integrated in the saddle bar. Pre-installed Klickfix holder for additional extras. Preinstalled Klickfix mount for additional extras. Gel comfort saddle. ***** ***** ***** *****