Features: 1) Folded size: 67cm x 30cm x 16cm 2) Unfolded size: 100cm x 70cm x 43cm 3) Weight: 5. 6kg / 12. 6lbs 4) Dual chain ratio: 14: 8 and 35: 9 5) Max. Weight tolerance: 85kg / 13st 5lbs 6) Max. Braking force: complies with BS1602 part 1: 1992 7) Polymer composite: 30% GF PA66 8) Aluminum: heat treated 6061T6 9) Tire size: 15cm / 6 diameter x 3. 2cm / 1 10) Tire valve type: shredder 11) Pneumatic tire pressure: 90PSI 12) Max. Saddle height: 90cm 13) Min. Saddle height: 82cm Packing: Standard packing