Reformer Springs Explained: When to Replace and How to Choose
By FitBoutique | Pilates Reformers. Est. 2021 | Published: 2026-10-14
Category: Tips & Care
Learn how to inspect, replace, and choose reformer springs for consistent Pilates resistance. A practical step-by-step guide for home and studio maintenance.
Quick answer
Replace reformer springs when you notice uneven tension, visible gaps between coils, rust, or a loss of smooth carriage glide. Most home users should inspect springs monthly and replace the full set every 1–2 years, while high-traffic studios may need to replace them every 6–12 months. Always match the spring color code and length to your reformer model.
Why spring condition matters more than spring count
A reformer's spring system determines how resistance builds through the movement, not just how heavy it feels at the start. Worn springs stretch unevenly, so the carriage can feel mushy at the bottom and suddenly stiff at the top. That inconsistency makes it harder to control the carriage and can throw off your alignment.
Springs also age differently depending on use. A studio reformer running six classes a day will fatigue faster than a home reformer used three times a week. That is why inspection frequency should match traffic, not just calendar time.
How to read reformer spring colors and tension
Most reformers use color-coded springs to indicate resistance level. The exact color-to-tension mapping varies by manufacturer, so never assume red is always heavy or green is always light. Check your reformer's manual or the spring label before mixing colors.
If you are replacing springs on a reformer with a 6-spring system, such as the Space Black Reformer or The Studio Reformer, keep the original color set intact unless you are intentionally changing the resistance profile. Mixing colors from different brands can create uneven pull even if the colors look the same.
Tools and checks before you start
You do not need specialty tools for most spring replacements. A clean cloth, mild soap, and a replacement set sized for your reformer are usually enough. Before ordering, confirm the spring length, hook type, and color code from your reformer's documentation or the existing spring labels.
While you are inspecting, check the carriage glide and the spring attachment points. If the carriage does not glide smoothly even with new springs, the issue may be the track or wheels rather than the springs.
Step-by-step spring care and replacement
- Inspect springs monthly for gaps and rust: Unhook each spring and look for gaps between coils, rust spots, or a stretched overall length compared to a new spring. Run your hand along the coils to feel for kinks. If you see gaps or rust on more than one spring, replace the full set rather than mixing old and new.
- Test tension consistency across the set: Hook all springs to the carriage and pull the carriage slowly through a full range. The resistance should feel even from start to finish, with no sudden stiff or soft spots. Uneven tension is the most common sign that springs need replacement, even if they look fine.
- Match color and length before ordering: Write down the color code and measured length of your current springs. Check your reformer manual or the spring label to confirm the correct replacement set. Never guess the color code. A wrong spring can change the resistance curve and make exercises feel unpredictable.
- Replace one spring at a time to avoid mixing up hooks: Unhook the old spring, attach the new one to the same attachment points, and confirm it sits flush before moving to the next. Keep the old springs together for comparison. Mixing up attachment points can cause the carriage to track unevenly.
- Clean springs and attachment points with a dry cloth: Wipe away dust, sweat, and chalk residue after each week of use. Avoid oil-based cleaners, which can attract grit and degrade the spring coating. Clean springs last longer and give you a clearer view of early wear signs.
- Log the replacement date and set a reminder: Write the date on a sticker under the carriage or in a maintenance log. For home use, plan the next full replacement in 12–24 months; for studios, every 6–12 months. A simple log prevents surprise failures and keeps resistance consistent for every user.
Reformer models and their spring systems
- Space Black Reformer: The Space Black Reformer features a 6 spring system and a larger studio frame built for high traffic studios and serious training environments. A 6-spring setup gives you more incremental resistance options, which is useful when you need to fine-tune tension for different clients or exercises.
- Ivory Reformer: The Ivory Reformer is a commercial grade aluminium reformer with a 6 spring system, premium padding, and a foldable frame with a centre support bar and wheels. The foldable design means you can store it upright, but you still need to inspect springs regularly because folding and unfolding can add wear at the attachment points.
- The Studio Reformer: The Studio Reformer has a larger studio frame and a 6 spring system engineered for strength, stability, and precision under daily use. In a high-traffic studio, the springs are under constant load, so a monthly inspection and a documented replacement schedule help prevent sudden tension loss mid-class.
