This replacement Spring Package for the Split-Pedal Stability Chair includes two Light and two Heavy Chair Springs. All springs are 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.
For safety reasons and continued warranty coverage, springs should be changed every two years.
Includes- 2 × Light Chair Springs (Blue)
- 2 × Heavy Chair Springs (Red)
Note, this item is for use with Merrithew™/STOTT PILATES® equipment only
Details:
Spring performance
- Springs are built to withstand vigorous use in professional or commercial environments
- To maintain performance and warranty, springs require replacement every two years
Heavy springs resistance details
- Overall length of the spring is 18.6 in with an initial tension of 14.8 lbs (load required to open the coils without extension)
- Spring rate of 3.9 lb/inch (load required to extend spring every inch after the initial tension is applied)
Light springs resistance details
- Overall length of the spring is 18.6 in with an initial tension of 5.5-7.5 lbs (load required to open the coils without extension)
- Spring rate of 1.2 lb/inch (load required to extend spring every inch after the initial tension is applied)
Specs:
| Push-Thru Spring / Stability Chair · Light Spring | 5.5–7.5 lbs (2.5–3.4 kg) |
1.157 lbs/in +/- 10% (.2 N/mm +/- 10%) |
18 in (45.7 cm) |
1.1 in (2.8 cm) |
Blue |
|---|---|---|---|---|---|
| Trapeze Spring / Stability Chair · Heavy Spring |
14.75 lbs +/- 1.5 lbs (6.7 kg +/- .7 kg) |
3.888 lbs/in +/- 5% (.68 N/mm +/- 5%) |
18 in (45.7 cm) |
1.2 in (3 cm) |
Red |
Warranty - 2 years all springs
