Signature Springs for Reformers

Product Overview

The Balanced Body® Signature Springs are the core resistance system used in modern Pilates reformers, engineered to deliver smooth, consistent, and safe resistance across all levels of training.

Developed over 40+ years of Pilates equipment innovation, these patented springs are made from nickel-plated carbon steel, ensuring durability, corrosion resistance, and reliable performance in both studio and clinical environments.

They are widely regarded as the industry standard for modern Pilates, used across Balanced Body Reformers worldwide.

Key Features

Patented High-Performance Spring Design

• Custom-built for Pilates equipment
• Ensures consistent resistance and smooth movement
• Extensively tested over decades for reliability 

Nickel-Plated Carbon Steel Construction

• Minimizes risk of microscopic cracks
• Provides long-term durability and corrosion resistance 

Color-Coded Resistance System

Available in multiple levels:

• Yellow → very light
• Blue → light
• Red → medium
• Green → heavy 

Standard configurations:

• Allegro Nextgen Reformer™: 3 red, 1 blue, 1 yellow
  
• Allegro® Stretch Reformer: 3 Stretch Red, 1 Stretch Blue, 1 Stretch Yellow
• Allegro® 2 Reformer: 3 Red, 1 Blue, 1 Yellow
• Bravo Reformer™: 3 red, 1 blue, 1 green
• CenterLine® Reformer: 4 Unplaited Green
• Clinical® Reformer: 3 Red, 1 Yellow, 1 Blue, 1 Green
• Rialto® Reformer: 3 Red, 1 Blue, 1 Green
• Ron Fletcher Reformer™: 4 Red
• Studio Reformer®: 3 Red, 1 Blue, 1 Green

Swivel Hook + Tapered End Design

• Hooks rotate freely to reduce stress on spring
• Extends lifespan and improves safety
• Provides quieter, smoother operation 

Consistent & Predictable Resistance

• Designed for controlled engagement and release
• Ensures safe biomechanics and effective training

Studio-Grade Durability

• Built for high-frequency use (group classes, clinics)
• Backed by extensive field testing (45+ years) 

DURO Springs™ Option (Heavy-Duty Upgrade)

• Thicker wire + larger coil diameter
• Designed for intensive group training environments
• Increased resilience and longevity

Specifications

Performance

• Type: Reformer resistance springs
• Resistance Levels: Multiple (color-coded system)
• Training Style: Adjustable, progressive, low-impact

Primary Applications

• Full-body reformer workouts
• Rehabilitation and physiotherapy
• Strength, control, and mobility training

Design & Build

• Material: Nickel-plated carbon steel
• Length:
  • Standard: ~47 cm
  • Stretch version: ~61 cm
• Attachment: Hook system (rotating swivel ends)