Overview
About RX4405 Tread Climber
The RX4405 Infinity Tread is a space-efficient, self-powered incline training machine that takes cardio and strength conditioning to a whole new level. Built with progressive resistance and an adjustable incline, it delivers low-impact but high-intensity workouts that challenge your body without stressing your joints. Whether you’re training solo or combining it with an RX2100 rope trainer, the RX4405 is made for serious results.
Climb Your Way to a Stronger, Fitter Body
The RX4405 simulates an endless uphill climb, with adjustable incline angles of 50° to 60°, giving you a workout that pushes your legs, glutes, and cardiovascular system to the max. The tread belt responds to your effort—pull harder, go faster, and resistance increases automatically. This self-powered machine provides natural, functional movement without motors or complex settings.
- Simulates continuous uphill climbing at 50° or 60° incline
- Self-powered design—no electricity needed
- Great for strength, cardio, and endurance conditioning
- Used by military, fire, and police departments
Progressive Resistance That Adapts to Your Effort
Get more out of every step with resistance that increases as you push harder. The RX4405’s tread belt delivers up to 300 lbs of progressive resistance, adapting in real-time based on your speed and effort. No knobs, no screens to manage—just pure, uninterrupted movement that meets you at your level and grows with you.
- Progressive resistance from 20–300 lbs
- Automatically adjusts to speed and intensity
- No mechanical controls to change settings mid-workout
- Optimized for HIIT, interval, and endurance training
Compact Design with Easy Mobility
Even with its bold incline and tough construction, the RX4405 is surprisingly easy to move. Its four-wheel retractable transport system makes repositioning or storage simple. With a compact 58" x 30" footprint, it fits neatly into training zones where space matters—without compromising performance.
- Compact footprint: 58" D x 30" W x 60" H
- 4-wheel retractable system for one-person transport
- Stable and secure during use
- Ideal for small gyms, studios, or high-performance home setups
Track Every Session with Built-In Digital Feedback
The RX4405 includes a digital LCD display that tracks key training metrics like time, speed, distance, and calories. The screen activates automatically with movement, giving you a hassle-free way to stay on top of your progress. For even deeper insight and coaching, upgrade with the optional HIPERVISION system.
- LCD tracks speed (ft/min), time, distance, and calories
- Auto-starts with user movement
- Scan mode cycles through stats hands-free
- HIPERVISION system available as an optional add-on
Built Tough with High-End Comfort
Made from 11-gauge steel, the RX4405 is as rugged as it is refined. Choose from four powder-coated frame colors to match your space. Designed to withstand demanding daily use, it’s a go-to solution for facilities and users that won’t settle for ordinary cardio equipment.
- Durable 11-gauge steel frame
- Available in black, grey, red, or white finishes
- Space-saving design with commercial-grade performance
- Perfect standalone unit or pair with a rope trainer for full-body work