Specifications: Size: ETRTO 57-622 (29 x 2.25 Inch) Type: Folding Compound: Dual Execution: Performance Color: Black Skin: Lite Weight: 645 g (23 oz) Pressure: 1.80 - 3.70 Bar (26 - 54 psi) Maximum load: 120 kg Tube: 19, 19A