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SPRiT MX Progressive Spring


SPRiT Progressive Springs start at a lighter weight than conventional springs until the actuation point and then the force rises rapidly after actuation. The graph represents an exponential growth curve.

SPRiT Progressive Springs Feature:

  • 100 included in each pack
  • Stainless Steel
  • 99.5% Precision
  • ±0.3g
  • Available in:
    • 55g (Starts at 23g, actuates similar to 45g Supreme)
    • 63.5g (Starts at 25g, actuates similar to 55g Supreme)
    • 68g (Starts at 28g, actuates similar to 58g Supreme)


  • 100 SPRiT Progressive Springs