We’ve detected a problem with your cookie settings
Merrithew™ uses cookies to help give you the best possible user experience. Please enable cookies to continue

Stability Chair Spring Pair – Heavy

Stability Chair Spring Pair – Heavy
Stability Chair Spring Pair – Heavy
Stability Chair Spring Pair – Heavy 0.0 0 Be the first to add a review
SKU : ST05129
List Price: $115.00 USD
Your Price $115.00 USD
These heavy tension Stability Chair Springs are made exclusively for Merrithew™ Stability Chairs. Each is nickel-plated and heat-treated to protect the base material of the spring. This ensures the quality and integrity of its tension throughout its life through demanding studio use. Sold as a pair.

Spring Performance

  • Our springs are built to withstand vigorous use in professional or commercial environments
  • To maintain performance and warranty, springs require replacement every two years

Spring Resistance Details

  • Overall length of the spring is 18.628” with an initial tension of 14.75 lbs (load required to open the coils without extension)
  • Spring rate of 3.888 lb/inch (load required to extend spring every inch after the initial tension is applied)


Length 45.72 cm 18"
Coil Diameter 30 mm 1.18"
2 Years: All springs

For our full equipment warranty, please see our warranty terms and conditions.

Customer reviews

There are no reviews for this item.
Star Knob, 4 Prong 3/8
Star Knob, 4 Prong 3/8" (Reformer/Chair)
Stability Chair Spring Package
Stability Chair Spring Package
Star Knob, 3 Prong 9/16
Star Knob, 3 Prong 9/16" (Stability Barre/Chair Handle)
Kit - Chair Handle Updater
Kit - Chair Handle Updater