AMIGO Ortem M1500 outer tyre This robust outer tyre from AMIGO has extra high tread to give you even more grip on the road. The tyre has been developed and produced with care, so you can enjoy the best quality for a competitive price. Specifications: Model Ortem M1500 Colour: white Inch size: 18 x 2.00 ETRTO-size: 50-355 Reflection: no Material: rubber Weight: 255 gram Max. tire pressure: 2.75 bar / 40 PSI Type of tyre: wire Type of bike: children's bike