Kastaplast Grym
Main Features
The Kastaplast Grym is the high-speed driver for the masses. Its flight is neutral, not too understable or overstable.
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The Grym is our new disc for long smooth s-curves and tailwind bombs. A distance driver with a clean shape and a comfortable 2.2 cm rim. This disc is a big D driver for the common player. Grym is Swedish for cruel or awesome try it out for some grym lines or as one of our team players put it¦ by the way, that Grym gooooeees!
Flight Metrics
| Speed | Glide | Turn | Fade |
| 13 | 5 | -1 | 2 |
Disc Diameter: 21.1 cm 
Rim Width: 2.2 cm Rim Depth: 1.1 cm *Not actual profile image.
Rim Width: 2.2 cm Rim Depth: 1.1 cm *Not actual profile image.
Phases of Flight
| Low-Speed Fade |
|---|
| As the disc slows and spin decreases, the disc pulls out of turn and begins to hook at the end of flight |
| High-Speed Turn |
| The aerodynamic profile turns the disc with the direction of spin during the high-speed phase of flight |
| Forward Push |
| The initial thrust forward during the high-speed phase of flight |
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Customer Reviews
2 Reviews
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2021 Run Seems Suspect
Apr 22, 2021
I wrote the review below this and I just wanted to make a quick follow up note. The Gryms that I reference in that review are from early 2019 and before. I recently picked up a 2021 run Grym and it was very understable. Like pretty much roller or big tailwind only. Not sure what's up, but I asked the Facebook group and it seems to be the experience for a bunch of people. So just be aware that there may some inconsistency in the runs. Though Innova has never two consistent runs in a row and they are the biggest name out there, so meh. Works out for me though since now I have a roller, a drifter, and a straight flyer all in the same wonderful mold and K1 plastic.
Hits a sweet spot
Dec 10, 2020
I have a few Gryms. K1 plastic. All around 172 grams. Different levels of wear. I throw it about 370ft RHBH with almost no wobble for reference.
First, K1 plastic is great. Poeple like to say it is indestructible, which is ridiculous of course. I would say that K1 is highly resistant to warping. Maybe better at that than anything else. But you can still take a chunk out of it or road-rash it if you throw it into the street or hyzer spike it onto concrete or whatever. But yes, it is very durable and it feels and flies great. But don't confuse that with an inability to season. K1 absolutely still gets beat in. Slowly and only to a point, but it does. This disc in particular seasons quite nicely over time.
Out of the box, for my arm speed and smooth release (no OAT / wobble), the Grym flies straight and fades gently. No real turn, but give it 4 to 5 tree hits to knock the new off and it will give you a light flip if thrown hyzer or drift right if thrown flat, and that's where it will stay for a long time. As you keep throwing it, it'll season in. My seasoned Grym will flip up from hyzer AND then drift right lightly for much of the flight before finishing left. Or thrown flat it will hold the turn basically the whole way. Overall, it's my go-to distance driver. You can throw a true, controlled, course shot that keeps a low, straight line, and it is easily repeatable.
But more OAT releases and higher power arms may find that it behaves more understable than they would like.