Coverstock Coverstock: ACCU-Tread™ Solid Reactive Coverstock; Weight Block: External Motion Control Quad Core Technology™; Ball Color: Crimson/Violet/Black 3-Color Coverstock; Ball Finish: 1000-grit Matte; Gyration: 2.510 (Low); Differential: .059 (High); Track Flare: High (7” plus); Ball Length: 4/8 Dull/Shiny on a scale of 1-10; Back End: 10 on a scale of 1-10; Recommended Lane Conditions: Longer Patterns with Medium to Heavy Volumes of Oil

this is the STORM i've thrown,i've had the ER for about a year now and i love it,i can throw it anywhere on either wood or synthetics and it shoots back into the 1-3,but then again when your getting 400 revs anything will hook,but this is the best ball i've ever thrown,now i have to go out and get the new trauma so i have something with a nice snap to it,overall the ER is a great ball for oil but will hook on any condition if you throw it right

The Ball I am actually reviewing is the Trauma XR which was released only in Japan to Japanese Professional Bowlers.  Was able to get my hands on one thru E-Bay.  Specs are as follows:  16 lbs. 4.94oz. topweight, pin 4-4.5.  Coverstock is ACCU-Tread Pearl Reactive with Ultra-Fleck.  Color is Purple/Yellow.  Ball is drilled with pin over the ring finger and mass bias in the strong position which produces and earlier and stronger breakpoint.  Extra hole added to make ball legal.  This ball is devastating.  Used it on a Xmas tree pattern and makes a strong yet controllable move to the pocket and carries everything.  Hooks about 8 boards more than my Trauma ER and actually outhooked my Buzzsaw Super Carbide.  First three games were 279, 258, 239.  It is hard to find any info. on this ball.  Every where I searched on the web, I was always taken to websites in Japanese.  Ball sold in Japan for $399.99.  If you ever see one on e-bay don't hesitate to grab it.  It is well worth it.  It is also very cool having ball nobody else has ever seen.  Thanks and Good Bowling!!!!

i got this ball used in vegas at a tournament when my old stuff wasnt working i dont know the topweight but it has a 3 inch pin.

i had this ball drilled with the pin under the ring finger and the cg kicked out 30 degrees. the ball has a 29/32 weight hole drilled 1 inch deep 4 1/8 down and 2 1/8 out from my axis. the ball is polished with diamond gloss. this is a really aggressive ball even when polished. the ball slides through the oil and when it hits the backend it snaps left and destroys everything in sight. the ball becomes a little squirty when it encounters carrydown and thats when i move to the shock trauma. i highly recomend this ball to anybody lokking for a go long snap and destroy ball.

Last ball to review on this site of the many Storm balls I've owned, and nothing's different.  This ball is incredible, especially in the backend.  No other Storm ball has this kind of backend on everything but drenched backends.  When nothing else pulls up, this ball (and the El Nino X-IT, but not with this hard of snap)will.  I even put some polish on mine, and it does the job.  I drilled it for as much length as I could get, and it still sets up a little early, but that just helps the backend.  When I throw it right, it will be going straight when it hits the backend, and then it just decimates the pins.  It's not a slide and snap ball, it's a curve and snap/continuous hitter.  It's amazing, I've never seen a ball with this much snap in the backend that kept drilling through the pocket.  Most balls that I've seen that snap at the backend run straight through the pocket.  They take the five pin out straight on and run between the 8 and 9.  This ball, however, snaps right into the pocket and (I'm a righty) then proceeds to head straight for the 8 pin, pushing the 5 into the 9.  I have left a few 9 pins, but no more than with any other ball.  There's nothing more beautiful than watching the ball arc out between the second and third arrow to the 6 or 7 board, making a subtle move just before the backend and then crushing every single pin off the deck.  Nearly every shot I throw with it turns heads because of the noise it makes when it hits the pins.  Even when you make a bad shot and you know it, you still have to scratch your head when it leaves a pin or two, it doesn't seem possible for this ball not to carry every pin.

Well, I havent posted a review on this ball since the first one, which was about a year ago,But i stopped using the ball when i got my Recovery, But i did have the ball re-sanded from 400 grit, to 800 grit, and there is a ton of difference with the ball at 400,, it would set up really early and have nothing on the backend,,, and with the ball at 800, it would go longer and hook a ton at the end,, even on the oilest condition.  I have the ball drilled up with the pin under the fingers, and CG and mass bias in the positive, and a small hole on my pap. I will say that unless you have this ball polished up, this ball does need oil,

Got my Trauma ER drilled in mid-summer, plain vanilla label leverage.  I'm a medium rev stroker, a down and in "zone bowler" who plays a usually plays a moderate inside line and hits at around the second arrow on a standard house shot on synthetics.  I've had success with a Messenger Titanium in this house (back to back 300s in 2001 -- my first and second!).  The carrydown gets bad enough that an agressive coverstock is almost a necessity, and I've had to put the Messenger Ti away and use an Ebonite Vortex III or a Track Silencer to get the ball to hit the break point properly and turn the corner.  

After a few weeks of shaking off the "lane rust" I came to appreciate the ER's devastating qualities.  I've shot 667, 694 and 687 the last three weeks, and my average is normally about 208.  Cover was left at factory finish.  This ball revs up early while still storing energy and while moving in a fairly smooth arc, closes quickly on the pocket, and crushes it.  In fact, I think I made a mistake in drilling a 16, because I've left so many 9 pins and a few "fast eights."  A lighter ball might have given me a better mix.  There are some balls and conditions that drain your confidence and make each shot a real struggle in concentration, just to hit the pocket.  The ER is NOT one of these.  In fact, I can't wait to hit the approach with it -- every shot is that much fun!   In fact, the last time I had ball from Storm that was so incredibly dominating (and I do have an Eraser, which I like), was when the Storm Thunder was released.  In the world of reactives, the Trauma ER strikes me like a Thunder on steroids in terms of reaction.

Update, after about 40 games with this ball.

The struggle with heavy oil and carrydown continues to be a war in the house where I bowl, but it's one which I am winning with this ball, which continues to have a combination of great read at the breakpoint,  and a wonderful closing arc, no matter where I throw it on the lane.  

Shot my third 300 with this ball, two nights ago, when nearly everyone else was struggling with over-under.  Every ball was dead solid in the pocket.  No doubts.  

A great job by Storm.  

Just bought an X-Factor on the web, and can't wait to get it drilled up, so I can make comparisons with the ER.  

Love this company!