![Merrithew Max Plus Spring - Power Up [3x125%, 1x100%, 1x50%]](http://306fitness.com/cdn/shop/products/ST05134_1024x1024.jpg?v=1648399455)
![Merrithew Max Plus Spring - Power Up [3x125%, 1x100%, 1x50%]](http://306fitness.com/cdn/shop/products/ST05134_480x480.jpg?v=1648399455)
A complete package to keep all of your Max Plus Reformer and Vertical Frame springs in tip-top shape. Bigger, better, faster and stronger, Merrithew™ springs provide enhanced fluidity of movement, allowing for maximum extension of the Reformer carriage with smoother and more balanced movement across all length extensions. Designed to meet the demanding needs for cardio work with Jumpboards and Cardio-Tramp™ Rebounders. The best springs in the industry!
Includes- 3 × 125% Reformer springs
- 1 × 100% Reformer spring
- 1 × 50% Reformer spring
- 1 × Spring Pair · Push-Thru (blue)
- 1 × Spring Pair · Roll-Down (black)
- 1 × Spring Pair · Light Arm (yellow)
- 1 × Spring Pair · Leg Enhanced (green)
If your Reformer was manufactured prior to December 1, 2011 you may require an upgraded Spring Holder.
Details:
- Springs should be replaced every two years to maintain warranty coverage and to ensure maximum performance and safety of your equipment at all times
- Merrithew™ springs are custom crafted using the finest quality music wire. All springs are pre-heated for stress relief then nickel plated with a hydrogen embrittlement process to prolong spring life
- Features a newly designed free-flowing spring connection
- Innovative spring ball attachment and new fastening system provides for easy installation
- Springs are securely held in place with no exposed hooks
Specs:
| Spring | Initial tension | Spring rate | Length | Coil diameter | Spring ball O-ring color |
|---|---|---|---|---|---|
| Leg Spring | 3.4–4.5 lbs (1.5–2.0 kg) |
.625 lbs/in +/- 5% (.11 N/mm +/- 5%) |
22 in (55.9 cm) |
1.2 in (3 cm) |
White |
| Leg Spring · Enhanced | 3.0–4.0 lbs (1.4–1.8 kg) |
.625 lbs/in +/- 5% (.11 N/mm +/- 5%) |
22 in (55.9 cm) |
1.2 in (3 cm) |
Green |
| Light Arm Spring | 2.2–3.2 lbs (1.0–1.5 kg) |
.378 lbs/in +/- 10% (.07 N/mm +/- 10%) |
19 in (48.3 cm) |
1.1 in (2.8 cm) |
Yellow |
| Reformer Spring · 25% | 2.25–3.25 lbs (1.0–1.5 kg) |
.311 lbs/in +/- 5% (.05 N/mm +/- 5%) |
19.5 in (49.5 cm) |
1.5 in (4 cm) |
White |
| Reformer Spring · 50% | 3.0–4.0 lbs (1.4–1.8 kg) |
.625 lbs/in +/- 5% (.11 N/mm +/- 5%) |
19.5 in (49.5 cm) |
1.5 in (4 cm) |
Blue |
| Reformer Spring · 100% | 6.0–7.5 lbs (2.7–3.4 kg) |
1.25 lbs/in +/- 5% (.22 N/mm +/- 5%) |
19.5 in (49.5 cm) |
1.5 in (4 cm) |
Red |
| Reformer Spring · 125% | 7.0–11.0 lbs (3.2–5.0 kg) |
1.56 lbs/in +/- 5% (.27 N/mm +/- 5%) |
19.5 in (49.5 cm) |
1.5 in (4 cm) |
Black |
| Roll-Down Spring | 2.9–3.9 lbs (1.3–1.8 kg) |
.495 lbs/in +/- 10% (.09 N/mm +/- 10%) |
19 in (48.3 cm) |
1.2 in (3 cm) |
Black |
| 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
