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Kastaplast K1 Hard Alva

All Plastics K1 Glow K1 Grind K1 Hard K1 Line K1 X-Out

Kastaplast K1 Hard Alva

5
(1 Reviews)
Rate this Disc
The Kastaplast Alva in K1 Hard features a firmer, torque-resistant premium feel that slightly increases stability compared to standard K1. This gives the understable fairway more confidence at higher speeds while maintaining its smooth, workable turn. Throwers who like a crisp release will value the consistent flights of the Kastaplast Alva in K1 Hard.
Manufacturer Flight Numbers 11/6/-2/2
Reviewer Flight Numbers 11/6/-2/2
Our Price:
$23.99

K1 Hard Details

K1 Hard is the stiffest version of Kastaplast's K1 plastic.

Alva Dimensions

  • Diameter: 21.10 cm
  • Height: 1.70 cm
  • Rim Depth: 1.10 cm
  • Rim Width: 2.20 cm
  • Max Weight: 175g

Additional Information

  • Primary Use: Distance Driver
  • Stability: Stable
  • Recommended Skill Level: Intermediate, Advanced, Everyone
  • Plastic grade(s): Premium
  • Beadless

Reviews

(1 Ratings)

5 Out of 5
bad_david
bad_david (Reader, Intermediate) K1 Hard
My Flight Ratings: 11/6/-2/2 Somewhat Beginner Friendly Throwing Distance: 350 Straight Score: Ultra Straight

Mar 31, 2026 06:15 AM

Perfect tailwind and hyzer flip machine. The K1 Hard feels great in the hand. This thing glides forever and still has a predictable finish.  I don't throw it flat unless I have a wide open fairway as it harder to predict it's finish but on hyzer it tends to flip to flat and slightly drift right then finish with the +2. I consistently throw this about 10ft further than my Halo Tern. 

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