By Aki Mai. Tennis. Published at Thursday, March 15th, 2018 - 02:51:04 AM.
Together, these integrated technologies increase the racket’s hotspot by 15 percent. The hotspot is located in the center of the sweetspot, where players derive the greatest power and force behind their shots.
Once I got to the courts, 4S was about what I expected from a geometric poly—spin potential was above average and feel was solid, though not as crisp as I typically like. The flipside is that 4S felt very soft and was one of the most comfortable polys I've used in quite a while. Fortunately, the soft feel didn't come at the expense of durability. I played past the 12-hour mark with my set and didn't break it, though they definitely felt a little dead towards the end. As I've noted in the past, I find that most polyester strings go dead and lose tension well before they snap, though I'd expect that heavy string breakers may break Black Code 4S before it goes dead or gets mushy.
Extra overgrips (if you use them): For players that like to use overgrips, it's always good to keep a spare one or two in your bag just in case. A dirty or slippery grip can cost you during a key service game, so be sure you can replace it if you need to.
If you rarely (or never) break strings, just make sure you bring two racquets. If you break strings more often, then 3-4 racquets will do the trick. Ideally, your back up racquets should be as similar as possible to your racquet of choice.
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