E Contact ReflexSpecially developed to be able to cope with the stresses imposed by an electrical motor, these tyres are a must on any electric bike. With working speeds up to 50km/h these tyres have a high quality additional rubber reinforced carcass that forms a solid and durable frame. Eco 50 puncture protect helps reduce the risk of punctures and tears.Key features: The Eco50 puncture protection. Reflective strip for visibility after dark. High elasicity rubber insert rolls smoothly and keeps the rolling resistance low. Profile suited to on or off road use. Weight: 620 gramsSize: 26 x 1.75"