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Selecting the Proper Ball Weight


Adults:
The weight of the ball should be roughly ten percent of your body weight. Another good rule to go by is to choose a ball that is one to two pounds heavier than the house ball you are bowling with. The reason being is that the grip on the house ball is incorrect and a custom fit ball will feel much lighter because it will be easier to hold on to.

Kids: We recommend a weight equal to their age. Please note 6 & 8 lb bowling balls are designed for kids only not adults. Some manuacturers will not warranty 6 & 8 lb balls that are drilled for adults.


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What is the Pin Placement of a bowling ball?


The pin placement of a bowling ball is the distance between the center of the core and the CG. How far the pin is from the CG will help to dictate the balls reaction on the lane.
 
The shorter pins like (0 - 2") will roll up earlier on the lane, and will have a smoother arcing motion to the pocket.
 
The longer pins like (4"+) will go much farther down the lane before starting to hook toward the pocket. The longer pins will also have a more dramatic motion toward the pins (possibly like a hockey stick shape or a skid/flip type of reaction).
 
The (2 - 4") pins are the most versatile to lay out for your ball driller allowing them to manipulate the ball path and have it roll up earlier or later depending on how they lay the ball out.
 
Why is this important?
You want to have the bowling balls natural intended reaction to match up with your drilling pattern you select for the bowling ball. If you get a short pin but want the ball to go long the ball will want to roll up early, even if you drill the ball to go long. This will cause you to have to loft the ball or push through it harder to try to get the desired ball reaction. If you would have selected the correct pin distance and applied a complementary drilling to the ball, you can throw the ball with much less effort, and let the ball do the work for you. This allows you to relax and be smooth, improving your release and scores.

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What is the Top Weight of a bowling ball?


Top weight is the amount of weight difference from the top of the bowling ball (CG) and the bottom of the ball (opposite the cg).

In general their will always be more weight to the top of the ball (CG). This is due to the fact that when you drill finger holes into the ball you are extracting weight from the ball (generally 2 ounces or more depending the hole sizes and the density of the core) and it was initially designed to keep the ball balanced after it was drilled. 

Balls with lower initial top weight were generally more stable after drilled than those with higher top weights due to the fact that their was so much weight left over after drilling. This created imbalance and often time added length and backend reaction for early three piece (Pancake weight block) bowling balls.

Top weight by today's standards is not nearly as important because a majority of the weight mass of most bowling balls is closer to the center of the ball than the shell and top weight has less of an effect because ball motion is more about the placement of the weight block itself and not the static weight mass. Top weight these days usually dictates hole size for those off label drillings.


What does this mean in selecting the correct top weight?

2.5 or less - Is for standard drilling techniques. It is also used for advanced drillings where moving the cg further off center of span creates a stronger drilling. You may not needing a weight hole with this type of drilling but depending on how far the cg is moved you may need a weight hole.

2.5 to 3.5 - Is great for normal layouts, a weight hole is not typical for this top weight. Stronger drillings may require a weight hole.

3.5 or more - This top weight is good if you want the ball to push more (go farther down the lane) while adding backend motion, but only if the ball driller knows and incorporates this into the drilling.

It can also be used for placing a big weight hole in a ball because it adds static weight to the drilling. This means you can use a stronger drilling than normal but make it legal by adding a weight hole to remove excess top weight (you can only have 1 oz of top weight remaining after drilling).

***NOTE: These are just basic descriptions to what top weight can do. There are many more scenarios for each top weight and what is capable with each different top weight range. Please discuss with your ball driller how they plan to drill you ball to get a better idea if they plan to use a weight hole or not to achieve the ball reaction you desire. There is no way to guarantee a ball will not need a weight hole depending on the top weight selected, the ball layout will determine that.


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Drilling Protection Plan


If your new ball cracks while being drilled by a pro shop, CheapBowlingBalls.com will replace your ball free of charge! Manufacturers' warranties typically do not cover for cracking during drilling and drillers are not held responsible for their mistakes or defects in the ball.

*Ball must be purchased from CheapBowlingBalls.com
*Ball must be drilled within 11 days of receiving it (Extended to Feb 1, for purchases made between Black Friday and Christmas)
*Protection must be purchased before the ball is drilled
*Ball pictures must be sent for inspection and the receipt for drilling charges included also
*We pay shipping back to you


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Extended Warranty


Valid for 2 full years from date of purchase. Covers manufacturing defects of balls, bags & shoes.

This warranty does not cover incidental costs of replacement including, but not limited to; freight, measuring, and drilling.


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Shoe Size Charts

900 Global, Brunswick, Dexter and Storm bowling shoes run true to size.

Right Handed Shoes: Made for bowlers that bowl with their right hand because the slide pad is on the left shoe, which is the foot you slide with.

Left Handed Shoes: Made for bowlers that bowl with their left hand because the slide pad is on the right shoe, which is the foot you slide with.

Uni-sole Shoes: These shoes can be used for right or left handed bowlers because the slide pads are on both feet.



Don't know your shoe size? Do the following...

To get the best fit and comfort, we suggest measuring your feet each time you purchase a new pair of shoes because your feet will change during your lifetime.

1. Get a blank piece of paper, a pencil and a ruler or tape measure.
2. Put on the pair of socks you intend to wear with the shoes you are ordering. Through the course of the day, your feet will swell so it's best to measure them at the end of the day.
3. With the paper placed on a hard floor, sit down in a chair and place your foot flat on the paper. Lean forward, putting more weight onto the foot you are going to measure. As you probably know, your feet are different sizes so be sure to measure your larger foot.
4. Holding a pencil vertically, place a mark at the end of your heel. Place another mark at the tip of your longest toe.
5. With the ruler or tape measure, measure from the heel to the tip of your longest toe.



To Find Your Width:

Measure the distance between the two widest points on your foot. Reduce this number by 5 mm, or 1/5-inch. The result is the number you will use to determine your foot width.

To find your size, use the inch-to-size table. For example, if you are a man and your foot measures 10" long, you will wear a U.S. size 8 shoe. If you are between measurements, size up to the next larger size. It is easy to add a pair of socks to take up a little extra room but very difficult to make shoes that are too small comfortable.

Note: Just because you are a size 9 in one brand doesn't necessarily mean you are going to be a 9 in another. Footwear sizes and shapes vary from brand to brand. Please keep this in mind.
 

( Men's ) Sizing Chart

Heel to toe
Length
(in inches)

Heel to toe
Length
(in Cm.)

Size (USA)

Narrow Width
(B or C) for
this Size

Medium Width
(D) for
this Size

Extra Wide Width
(2E or 3E) for
this Size

9 5/16

23.7

6

3 2/16

3 8/16

3 14/16

9 1/2

24.1

6 1/2

3 3/16

3 9/16

3 15/16

9 11/16

24.6

7

3 4/16

3 10/16

4

9 13/16

24.9

7 1/2

3 5/16

3 11/16

4 1/16

10

25.4

8

3 6/16

3 12/16

4 2/16

10 3/16

25.9

8 1/2

3 7/16

3 13/16

4 3/16

10 5/16

26.2

9

3 8/16

3 14/16

4 4/16

10 1/2

26.7

9 1/2

3 9/16

3 15/16

4 5/16

10 11/16

27.1

10

3 10/16

4

4 6/16

10 13/16

27.5

10 1/2

3 11/16

4 1/16

4 7/16

11

27.9

11

3 12/16

4 2/16

4 8/16

11 3/16

28.4

11 1/2

3 13/16

4 3/16

4 9/16

11 5/16

28.7

12

3 14/16

4 4/16

4 10/16

11 1/2

29.2

12 1/2

3 15/16

4 5/16

4 11/16

11 11/16

29.7

13

4

4 6/16

4 12/16

11 13/16

30.0

13 1/2

4 1/16

4 7/16

4 13/16

12

30.5

14

4 2/16

4 8/16

4 14/16

12 3/16

31.0

14 1/2

4 3/16

4 9/16

4 15/16

12 5/16

31.3

15

4 4/16

4 10/16

5

 

( Women's ) Sizing Chart

Heel to toe
Length
(in inches)

Heel to toe
Length
(in Cm.)

Size (USA)

Narrow Width
(AA) for
this Size

Medium Width
(B) for
this Size

Wide Width
(D) for
this Size

Extra Wide
Width (EE)
for this Size

8 11/16

22.1

5

2 13/16

3 3/16

3 9/16

3 15/16

8 13/16

22.4

5 1/2

2 14/16

3 4/16

3 10/16

4

9

22.9

6

2 15/16

3 5/16

3 11/16

4 1/16

9 3/16

23.3

6 1/2

3

3 6/16

3 12/16

4 2/16

9 5/16

23.7

7

3 1/16

3 7/16

3 13/16

4 3/16

9 1/2

24.1

7 1/2

3 2/16

3 8/16

3 14/16

4 4/16

9 11/16

24.6

8

3 3/16

3 9/16

3 15/16

4 5/16

9 13/16

24.9

8 1/2

3 4/16

3 10/16

4

4 6/16

10

25.4

9

3 5/16

3 11/16

4 1/16

4 7/16

10 3/16

25.9

9 1/2

3 6/16

3 12/16

4 2/16

4 8/16

10 5/16

26.2

10

3 7/16

3 13/16

4 3/16

4 9/16

10 1/2

26.7

10 1/2

3 8/16

3 14/16

4 4/16

4 10/16

10 11/16

27.1

11

3 9/16

3 15/16

4 5/16

4 11/16

10 13/16

27.5

11 1/2

3 10/16

4

4 6/16

4 12/16

11

27.9

12

3 11/16

4 1/16

4 7/16

4 13/16

 

( Kids' - boys & girls ) Sizing Chart

Heel to toe
Length
(in inches)

Heel to toe
Length
(in Cm.)

Size (USA)

3 5/6

9.7

2T

4

10.2

2.5T

4 1/6

10.6

3T

4 1/3

11

3.5T

4 1/2

11.4

4T

4 2/3

11.9

4.5T

4 5/6

12.3

5T

5

12.7

5.5T

5 1/6

13.1

6T

5 1/3

13.6

6.5T

5 1/2

14

7T

5 2/3

14.4

7.5T

5 5/6

14.8

8T

6

15.2

8.5K

6 1/6

15.7

9K

6 1/3

16.1

9.5K

6 1/2

16.5

10K

6 2/3

16.9

10.5K

6 5/6

17.4

11K

7

17.8

11.5K

7 1/6

18.2

12K

7 1/3

18.6

12.5K

7 1/2

19.1

13K

7 2/3

19.5

13.5K

7 5/6

19.9

1K

8

20.3

1.5K

8 1/6

20.7

2K

8 1/3

21.2

2.5K

8 1/2

21.6

3K

8 2/3

22

3.5K

8 5/6

22.4

4K

9

22.9

4.5K

9 1/6

23.3

5K

9 1/3

23.7

5.5K

9 1/2

24.1

6K


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Shoe Size Protection Plan

 

If customer selects UPS for original shipping, CheapBowlingBalls.com will send you one UPS return label to get the shoes that do not fit back to us, and for the correct shoe size to be resent back to you one time only.

If customer selects USPS for original shipping, the customer will be responsible to ship the shoes back to us using USPS Standard Post and we will credit the amount of shipping back to you. CheapBowlingBalls.com will then send the correct shoe size back to you one time only using USPS Standard Post.

The shoe size protection plan must be purchased at the same time as the shoes. If ordering multiple pairs of shoes only the pair(s) which purchased the shoe size protection will be honored.

Shoe Size Protection Plan is valid only for the same model shoe you purchased just in a different size. You may not switch shoe models.

Valid only in the Continental US.


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Shoe Size Protection Plan

 

If customer selects UPS for original shipping, CheapBowlingBalls.com will send you one UPS return label to get the shoes that do not fit back to us, and for the correct shoe size to be resent back to you one time only.

If customer selects USPS for original shipping, the customer will be responsible to ship the shoes back to us using USPS Standard Post and we will credit the amount of shipping back to you. CheapBowlingBalls.com will then send the correct shoe size back to you one time only using USPS Standard Post.

The shoe size protection plan must be purchased at the same time as the shoes. If ordering multiple pairs of shoes only the pair(s) which purchased the shoe size protection will be honored.

Shoe Size Protection Plan is valid only for the same model shoe you purchased just in a different size. You may not switch shoe models.

Valid only in the Continental US.


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Special Instructions


Please add any special notes you have regarding Weight, Pin Placement, Top Weight or any other requests you have for us.

Please give us some room when requesting ball specs, we ask for:

 2 oz margin for Gross Weight (EX. 15.1-15.3 Gross)
.5-1" margin for pin placement (Ex. 3-4" Pin)
.5-1 oz. margin for Top Weight (Ex. 2.5-3.5 oz Top)


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  • Halo Bowling Ball
  • Centrum Core (14-16 lbs)
  • Modified Triliptic Core (12-13 lbs)

SKU: RG161
Reg. Price: $244.95 Our Price: $169.95
[?]
 
Special Instructions:
[?]
[?]
Quantity:
703 units available

Description 

Roto Grip Halo Bowling Ball


Centrum Core...
Using a "cube like" shape as a starting point, additions and subtractions were made from there. The key being the radial disc shape added to the middle body of the core to increase the rotation/continuation of the core once in motion. This part took countless man hours and over 1 full year in development to become a reality.

Cover...
The MicroTrax-S18 formulation was first introduced on the IDOL™. This coverstock continues to be tested by our R&D team to ensure we haven't missed anything. To date, this blend still stands as the strongest solid coverstock formulation Roto Grip has ever introduced.

Condition...
This ball was created to destroy and conquer the heaviest of conditions. By pairing the new super strong Centrum asymmetrical core with our strongest traction coverstock to date, the new HALO is a bowling ball revelation that is second to none. If you liked the original Hyper Cell™ or the original No Rules™, then this ball is for you! Think that same type of motion ONLY STRONGER!

Roto Grip Halo Tech Sheet

Reviews

WRITE A REVIEW
Average Rating:
(based on 26 reviews)

Showing 1 - 5 of 26 Reviews:

RatingReviewerReview
by daniel skitt storm staffer
on 12/8/2018
Roto Grip Halo Ball Review
Here today to do a ball review on the Roto Grip Halo.In todays bowling world were always looking for more hook and roll in those longer and heavier volume patterns,and i have to say roto grip has just done that.Halo is the most hook i have had in my bag in very long time.I was really impressed when the no rules came out,then after that ball roto grip really didnt have anything that strong in there line intill the halo.Halo is amazing im able to use this ball on pretty much and long patter with those heavier volume.I did leave it out of the box to use and see how the surface would changed does shine up pretty quick lol,but when it does just hit it with a abaron pad and your good to go.For sure a great ball for alot of bowlers with all types of styles out there,also more for bowlers needing that extra help with to much ball speed and not alot hand,also big fan in the colour choice very great looking ball and love the name.
by Brian Hirsch
on 12/4/2018
Roto Grip Halo
Roto Grip Halo Coverstock: MicroTrax-S18­™ Solid Weight Block: Centrum™ Core Factory Finish:2000-grit Pad Radius of Gyration: 2.49 Differential: 0.050 PSA Differential: 0.018 Durometer: 73-75 Rex D-scale Flare Potential: High Weights: 12-16 lbs. Product Line: HP4 The HALO is the is the newest ball in the HP4 line. The HALO is A strong ball that out of the box comes with a 2000 grit finish. I found that grit to be perfect for the fresh. As the carry down becomes apparent you can move left and zones and still keep this ball in play. This was a really fun ball to test and see how far I can get left and bang on it. For the league bowler, this will be a great piece for a league ball and for the tournament player this ball is a must. Looking for a strong ball for the fresh, give the HALO a look. BOWLER STYLE: RH - Stroker Rev Rate: 320 - 350 Ball Speed: 15-16 PAP: 4 7/8 right 5/8 up. Storm - Roto Grip - VISE - Logo Infusion Staff Member Brian Hirsch
by Fred Callahan
on 12/3/2018
RotoGrip Halo
The Halo is the top of the food chain for RotoGrip. If you need to hook it, this is your new ball. I wanted to write this review a few months ago but, I've had some family situations that put the breaks on a lot of things...anyway. I don't typically like asymm, big cover bowling balls. I track and tilt a bit high and can have some quit happen down lane...I was surprised how much energy was left for the backend, it was crazy how hard of a response this beast makes. I drilled a handful up for some customers with varying styles and all agreed on being impressed with the angle of the Halo. Compared to the NORules Exist, the Halo has a different feel all together, the NRE is strong but more controllable where the Halo digs in and gets it! I can see where both balls could have a place in your bag for some heavier volumes or on the famous wet/dry house shots. Give this rock a go! Great release from Chris and the Grips!!!! #SquadRG
by Ryan Patterson
on 11/30/2018
Roto Grip Halo
55x4x45 Definitely the first ball out of my bag. I’ve never had an issue with this ball not being able to hook. This ball is versatile with the drilling I put in it as it allows me to smooth out the back end but as I move left it still continues through the pins. I compare this ball to my Alpha Crux.
by Tommy Gollick
on 11/30/2018
Halo review by Tommy Gollick
The Halo has been added to the HP4 line of bowling balls from Roto Grip. Halo uses the same solid MicroTrax S-18 cover as was used on the Idol. The Halo comes from the factory with a 2000 grit abralon finish, which is well suited for medium-heavy to heavy volume lane conditions, depending on the particular bowlers rev rate and ball speed. The Halo has a new weight block called Centrum core. The numbers in 15lb Halo’s are 2.49 Rg, 0.050 Diff with a 0.018 PSA diff. I used a lower Rg layout on my Halo (3 x 5.5 x 2). I am able to get my intended layout to match how I want my ball to perform on the lanes by using Storm’s VLS layout method. Please visit Storm’s youtube page, as they have done a great job at putting together 3 different videos explaining how each number works to affect ball motion, and when changing those variables, you get different reaction shapes on the lane and motion through the pins. Getting back to the Halo; I chose this layout as I wanted a ball that rolled more controllable off the spot (on higher volume, flatter conditions), without hooking too soon. Basically, when urethane just doesn't have enough read of the oil. Placing the pin at 3” keeps the weight block in a somewhat unstable position (3 ⅜” from PAP being most unstable) as I still wanted the ball to flare because of using on higher volumes of oil. Using the 5.5” PSA placement, makes for a longer transition or slower spin time to the preferred spin axis. This keeps the weight block from getting to the PSA too quickly. The 2” pin buffer placement, is a good inbetween placement, staying away from being too angular (shorter distance from VAL) or too even (longer distance from VAL). With this layout, the Halo has been very good for me in tournament conditions that are as I described above. The Halo doesn’t transition too soon and leave flat seven pins, nor is it too angular off the spot,which allows for a wider pocket when they are tough. Comparing the Halo to my No Rules (same layout but with an X hole), the Halo goes a little longer and has a smoother transition shape. I like the Halo for its intended purpose. This isn’t a layout I would look to use very often on a house shot, unless it was a shorter length, higher volume pattern. Moving forward with the USBC’s new balance hole rule, it’s a very good idea to make sure to “measure twice, cut once”, as it relates to the layout, because the pro shop operator won’t be able to mask a slightly missed drill, with a balance hole. Surface is the biggest factor in how fast the ball slows down, but layout will dictate the shape the ball makes through the pins for each different bowler. Thank you for taking the time to read my review of the Roto Grip Halo. Own IT!
123456
Lane Condition: Medium to Heavy Oil
Coverstock: MicroTrax-S18
Weight Block: Centrum Core (14-16 lbs)
Modified Triliptic Core (12-13 lbs)
Ball Finish: 2000-grit Pad
Ball Color: Coal/Fuchsia/Sky Blue
R.G. / Diff.: #12 - 2.62 / .040
#13 - 2.60 / .040
#14 - 2.54 / .050
#15 - 2.49 / .050
#16 - 2.49 / .040
Mass Bias Strength: #15 - .018
Durometer: 73-75 on D-Scale
Flare: High
Manufacturer SKU: RHV
Date Released: August 10, 2018
Warranty: 1 Year Warranty
Roto Grip Asymmetric Drill Sheet

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