3. two fingers, one thumb *unless ball has a balance, or weight hole to make the ball USBC legal.
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obviously a bowling ball without holes, how could something with less material in it weigh more
For beginners, the weight should be such that it feels comfortable for you to swing. For span, stick your thumb in the ball and then stick your fingers straight across the finger holes. If the knuckles of your fingers are over the middle of the holes, that should be a comfortable fit for the span.
There Are 3 holes in a ten-pin bowling ball.
To hold the ball!
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Zero, the ball is smaller than normal bowling balls and it fits into your hand so you don't need finger holes in order to roll it.
For a USBC certified event, the ball must meet a set of criteria, which is usually up to a 3 ounce difference in top weight and 1 ounce for thumb, left and right side weight. Drilling holes for fingers and thumbs usually compensates for this when drilled in the standard location. Usually a ball without holes will not meet this requirement and need to have either finger holes or a counterweight hole drilled to bring the ball back to legal specs.
There is usually 3 holes in a Ten Pin Bowling Ball. 1 large hole for your thumb and 2 smaller holes for your middle and ring finger. Some bowlers may have different numbers of holes based on their bowling style.
3 holes in a bowling ball
u can have up to five (one for each finger) but most balls have 3-4 holes. one for thumb, one for middle finger, one for ring finger, and for higher preformance bowling balls, they usually have a counterweight hole so that it balances the ball ass it rolls down the lane.