Product Name: A-bike Folded size: 67*30*16cm Unfolded size:100*70*43cm Polymer Composite: 30%GF PA66 Aluminium: heat treated 6061T6 Tyre size: 15cm/6 diameter* 3.2/1 Tyre Valve type: Shraeder Pnematic tyre pressure: 90psi Max saddle height:90cm Min saddle height: 82cm