Schwalbe G-One Ultrabite Tire - 700 x 38 Tubeless Folding BLK Evolution Addix SpeedGrip SuperGroundSchwalbe G One Ultrabite Tire 700 x 38 Tubeless Folding Black Evolution Addix SpeedGrip SuperGround. Gravel without limits. Created for off road use. The aggressive tread design impresses with its compact tape knobs in the middle of the tread and provides full grip and unrivaled traction. The strong outer blocks provide the rider with safety at all times when cornering. The G One Ultrabites off road performance is noticeably enhanced by the stable