Sierra Copa Bi-Metal Venturo GTR-73 Giro Triplex Ø 73mm
Sierra Copa Bi-Metal Venturo GTR-76 Giro Triplex Ø 76mm
Sierra Copa Bi-Metal Venturo GTR-92 Giro Triplex Ø 92mm
Sierra Copa Bi-Metal Venturo GTR-95 Giro Triplex Ø 95mm
Sierra Copa Bi-Metal Venturo GTR-98 Giro Triplex Ø 98mm