Drilling
Drilling
Recommendations and options for drilling with different grip setups
The sensor should be installed in the middle finger hole.
Space for the Sensor

13/16″
Under the grip
The actual depth of the sensor does not affect the measurements.
Some bowlers have their grips cut down or installed at a shallow depth.
If your grips sit right along the bottom of the finger hole, you can add 13/16″ of depth to the existing hole to fit the sensor.
Recommended Depth

2 7/16″
Depth
The recommended depth with full sized grips is 2 7/16″.