Ball NPS Score: 100.00
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Description: The Columbia Delirium bowling ball takes the versatile Resurgence core and covers it with the popular Bend-It Hybrid coverstock. They don't stop their because then they finish it with an aggressive 500 then 2000 Abralon grit pads. All of this combines to create strong traction for the length of the lane on medium to heavy lane conditions.

Columbia Severe Delirium Ball Specs:

- Color: Black/Teal/Silver All colors do vary somewhat from the picture shown.
- Core: Resurgence
- Coverstock: Bend-It Hybrid
- Factory Finish: 500, 2000 Abralon
- Reaction: Strong Mid-Lane and Backend
- Radius of Gyration (RG): 2.46**
- Differential (Diff): .043**
- ** RG and Diff are based off of 15 lb. balls
- Recommended Lane Condition: Medium – Heavy
- A few tiny pit holes in the cover stock of the ball are normal

I've had this ball for a couple months now and I can say its extremely aggressive! Some people will look at the fact that is uses the Bend-It Hybrid cover that was also found on the Disorder and think this ball will be just like it. Thankfully that statement is completely WRONG! The Severe Delirium hooks a good 4-6 boards more than the Disorder and rolls a little earlier as well. I did a pin up layout on mine with a weight hole up near my fingers (the ball had almost 3 ounces of finger weight after drilling). This ball gets downline incredibly well for being such a low RG core and makes and excellent motion all the way through the pin deck. It will surely be a staple in anyone's bag who is looking for a little more hook especially on the fresh lanes.

Jimmy Ogden
Savage Bowling Pro Shops

The Severe Delirium is a symmetrical ball with a very aggressive cover stock and works as a perfect complement to original Delirium. This aggressive cover allows the ball to grab the lane early creating strong ball motion throughout the lane.

I drilled mine pin above the fingers with a 3” pin and the CG kicked out 25 degrees. With a rev rate of 300-325 and medium to high ball speed, this layout works very well on higher oil volumes and longer pattern distances.
 
On medium volumes and patterns the Severe still gets through the front of the lane clean and reads the back of the lane consistently.
 
Lower oil volumes and shorter patterns do not agree with this ball as the cover stock is too aggressive. This is where the original Delirium is a great fit.
I am very pleased with how this ball performs and would highly recommend this ball.

Tim Tripp
Club 300 Pro Shop (Santa Clarita, CA)

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The Severe Delirium is the next product in C300’s Yellow-Line Collection.  As so named, it is designed to compliment the Delirium’s skid/flip reaction with one of a more aggressive, severe movement and discernable traction throughout the entire lane. 

Being part of the family, I have great expectations for this ball based on my prior success with the Delirium and so far I have not been disappointed.  The Severe’s ball motion is most certainly earlier than the Delirium with the cover coming at a 500/2000 Abralon finish.  That being said, using the same Resurgence core keeps the Severe within the parameters of the Yellow-Line and allows one to play somewhat similar areas as the Delirium. 

I have my Severe set up 60 X 4 X 30 (with a wt. hole) using the “out of box” cover.  What I have found most interesting is the unusual amount of 7-pins I’ve left (being right-handed).  Once I can look at this more closely, I will update the post.  My first thought is that the movement at the end of the pattern through the pins is one where they are being pushed more straight back versus side to side.  Additionally, various oil volumes do not seem to be a detriment to the Severe’s carry especially with my medium ball speed.  In being an older bowler, I find that my adjustments are less right to left with my feet when changing from the Delirium to the Severe or vice versa as the oil moves down the lane.

After its all said and done, the Sever Delirium is indeed a necessity for those that utilize the Delirium series characteristics and prefer to keep playing the same part of the lane longer. It should be apart of anyone’s arsenal.

Chuck Tillman