Comparison : Item # R7-X-2.92R, R700 Series 2.92:1 (Reducer) Gear Ratio, 1.5 Inch (in) 27T Splined Input Shaft Diameter, and 2.75 Inch (in) Keyed Output Shaft Diameter Gear Drive
Item # R7C-X-2.92R, R700 Iron Series 2.92:1 (Reducer) Gear Ratio, 1.5 Inch (in) 27T Splined Input Shaft Diameter, and 2.75 Inch (in) Keyed Output Shaft Diameter Gear Drive