Detailed Product Description Specifications: 1) Folded dimensions: 67 x 30 x 16cm 2) Unfolded dimensions: 100 x 70 x 43cm 3) Weight: 5.6kg / 12.6lbs 4) Dual chain ratio: 14:8 and 35:9 5) Max. weight tolerance: 85kg / 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