The GR 67 Series Trumpet Mouthpieces are available as a standard order with the GR Standard rim.

#1 Backbore is standard on S and SZ Models.

#2 Backbore is standard on MS, M and M2 Models.

#3 Backbore is standard on the MX, L, LX, VB, BX, CX and VC Models.

G Rim Models

G67LX, G67L

Same cups as their standard counterparts but with the slightly wider G Rim. These are a special order, however, some may be in stock at any given time.

Models  Cup Volume  Cup Volume

Cup Diameter r2

 r4 Rim
67 Description Cubic Inches Inch mm Fraction @.032" Contour Bite Alpha Angle
67SZ Small 0.0707 0.67 17 43/64 0.681 Medium Medium Medium High
67S Small 0.073 0.67 17 43/64 0.681 Medium Medium Medium High
67MS Medium Small 0.077 0.67 17 43/64 0.681 Medium Medium Medium High
67M Medium 0.08 0.67 17 43/64 0.681 Medium Medium Medium High
67M2 Medium 0.0827 0.67 17 43/64 0.681 Medium Medium Medium
67MX Medium Large 0.087 0.67 17 43/64 0.681 Medium Medium Medium
67L Medium Large 0.0886 0.67 17 43/64 0.681 Medium Medium Medium
67LX Large 0.0913 0.67 17 43/64 0.681 Medium Medium Low
67VB Large Semi-V 0.0877 0.67 17 43/64 0.681 Medium Medium Medium
67VC Large Semi-V 0.0882 0.67 17 43/64 0.681 Medium Medium Medium
67C* Medium Large 0.0855 0.67 17 43/64 0.681 Medium Medium Medium High
67C** Medium Large 0.0858 0.67 17 43/64 0.681 Medium Medium Medium High
67C Medium Large 0.0864 0.67 17 43/64 0.681 Medium Medium Medium High
67CX Large 0.0893 0.67 17 43/64 0.681 Medium Medium Low
67BX B Style Cup 0.0874 0.67 17 43/64 0.681 Medium Medium Medium
67C-T Large 0.0898 0.676 17.17 43.25/64 0.685 Medium Flat Medium Medium Low
67B-T Large 0.0895 0.676 17.17 43.25/64 0.685 Medium Flat Medium Medium Low