Quick Comparison - The GR 67 Series cup diameter is similar to a conventional 1 1/2 to 1 1/4 diameter.  The 67L is a very popular choice for 1 1/2C players looking for more core in their sound with more secure articulations in a more efficient design. 

Classic Blank is standard.  Symphonic Blank is standard on the C** and C models.

Studio, Symphonic, and FatBoy are available as a special order on some models.

Backbores, other than listed, are special orders.

G Rim Models - G67LX, G67L

Same cups as their standard counterparts but with the slightly wider G Rim. These are a special order.

Models Backbore  Cup Volume  Cup Volume Cup Diameter r2 r4 Rim
67 Number Description Cubic Inches Inch mm Fraction @.032" Contour Bite Alpha Angle
67SZ 1 Small 0.0707 0.67 17 43/64 0.681 Medium Medium Medium High
67S 1 Small 0.073 0.67 17 43/64 0.681 Medium Medium Medium High
67MS 2 Medium Small 0.077 0.67 17 43/64 0.681 Medium Medium Medium High
67M 2 Medium 0.08 0.67 17 43/64 0.681 Medium Medium Medium High
67M2 2 Medium 0.0827 0.67 17 43/64 0.681 Medium Medium Medium
67MX 3 Medium Large 0.087 0.67 17 43/64 0.681 Medium Medium Medium
67L 3 Medium Large 0.0886 0.67 17 43/64 0.681 Medium Medium Medium
67LX 3 Large 0.0913 0.67 17 43/64 0.681 Medium Medium Low
67VB 3 Large Semi-V 0.0877 0.67 17 43/64 0.681 Medium Medium Medium
67VC 3 Large Semi-V 0.0882 0.67 17 43/64 0.681 Medium Medium Medium
67C* 3 Medium Large 0.0855 0.67 17 43/64 0.681 Medium Medium Medium High
67C** 3 Medium Large 0.0858 0.67 17 43/64 0.681 Medium Medium Medium High
67C 3 Medium Large 0.0864 0.67 17 43/64 0.681 Medium Medium Medium High
67CX 3 Large 0.0893 0.67 17 43/64 0.681 Medium Medium Low
67BX 3 B Style Cup 0.0874 0.67 17 43/64 0.681 Medium Medium Medium
67C-T 3 Large 0.0898 0.676 17.17 43.25/64 0.685 Medium Flat Medium Medium Low
67B-T 3 Large 0.0895 0.676 17.17 43.25/64 0.685 Medium Flat Medium Medium Low

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