Main Features Continental HomeTrainer II 700x23mm Roller Tire 700x23mmSpecially designed tire for static roller or roller, indicated to last and offer more resistance to wear and heat generated by a roller with the advantage of not wearing out your tires for specific road use. HomeTrainer 700x23mm Continental Heavy Duty Roller Tire for HomeTrainerSpecially designed tire for static roller or roller, indicated to last and offer more resistance to wear and heat generated by a roller with the advantage of not wearing out your road specific tires.Much quieter than standard tires so that neighbors do not complain about the noise Cold compound tread when in motion to avoid the risk of tread peeling off. Not suitable for road use.