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
Sierra Copa de Carburo de Tungsteno Venturo GS-103 Giro Standard Ø 103mm