The Special One. G-One Speed is above all a promise of maximum speed!This tire extends the range of use for every road cyclist. It rolls fast on the road, but at the same time safely on unkept cycle paths and gravel roads. Key Features: Homogeneous round knob profile for optimal rolling on the road and safe grip on gravel.It is 30 mm wide for high comfort and comes with a OneStar Triple compound for excellent control and maximum speed.