Specification: 1) Folded size: 69 x 40 x 19cm 2) Unfolded size: 95 x 95 x 47cm 3) Weight: 6.5kg / 8.0kg 4) Dual chain ratio: 14:8 and 35:12 5) Max. weight tolerance: 85kg / 187lbs 6) Max. braking force: complies with BS1602 part 1:1992 standards 7) Polymer composite: 30% GF PA66 8) Aluminum: heat treated 6061T6 9) Tire size: 8 inches 10) Tire valve type: Solid 11) Max. saddle height: 90cm 12) Min. saddle height: 82cm Outer packing: 1pc/color box,2pcs/carton Carton dimensions: 70 x 43 x 43cm Conveyance:Qty/20' GP: 400pcs Qty/40' GP: 800pcs Qty/40' HQ: 1020pcs