MATRIX ULTRA - ONYX EDITION Leg Extension
SKU: MT-ONYXLEGEX
Product Overview
The MATRIX ULTRA Onyx Edition Leg Extension isolates the quadriceps with precision biomechanics that match the knee's natural axis of rotation. The adjustable back pad and contoured roller pad ensure proper positioning, while the exclusive Onyx black finish with premium upholstery creates a striking modern aesthetic.
Key Features
- Exclusive Onyx black finish with premium upholstery
- Biomechanically aligned pivot matching natural knee rotation
- Adjustable back pad with multiple position settings
- Contoured roller pad with adjustable tibia position
- Selectorized weight stack with magnetic pin
- Smooth cam system for consistent resistance throughout ROM
Technical Specifications
| Manufacturer | Matrix Fitness |
|---|---|
| Category | Strength > Single Station |
| SKU | MT-ONYXLEGEX |
| Movement | Leg extension / quadriceps isolation |
| Adjustments | Back pad, roller pad |
| Max User Weight | Commercial rated |
Warranty & Support
Frame: 10 years, Parts: 3 years, Labor: 1 year.
For complete warranty terms including frame, parts, and labor coverage, please contact the manufacturer directly or speak with an Opti-Fit representative.




