SB Fitness CT400 Curved Treadmill | Self-Generated Manual Trainer with Magnetic Resistance

Overview

The SB Fitness CT400 Self-Generated Curved Treadmill is a premium, non-motorized cardio solution designed for high-intensity training, walking, and athletic performance. Its curved running surface uses advanced flexible slats to reduce joint impact while increasing muscle activation. No electricity is required — the user powers every step. Ships from the USA.

Why You’ll Want This

This treadmill delivers a more efficient, more natural running experience than traditional motorized units. Curved treadmills promote better running form, increase caloric burn, and allow for instant speed changes — making them ideal for HIIT, sprints, interval training, walking, and rehabilitation settings. Its self-powered design eliminates motor failures and reduces long-term maintenance costs.

Key Features

• Self-Generated Design: No electricity required — powered entirely by your movement.
• Shock-Absorbing Slats: Ultra-thin, flexible slats reduce joint impact while increasing muscle activation.
• 3 Magnetic Resistance Levels: Low, Medium, and High settings for progression and targeted training.
• High-Intensity Efficiency: Users can burn more calories and increase oxygen consumption compared to motorized treadmills.
• Instant Speed Adjustments: Perfect for interval training — no motor lag or maximum speed limit.
• Durable Construction: Steel frame, high-speed nylon bearings, and slats tested up to 150,000 miles.
• Safety Enhancements: Operator-controlled start/stop curves, high-tension resistance for rapid slowdown, and full-length handlebars.
• Digital Display: Tracks distance, speed, time, and calories.
• Easy Mobility: Built-in transport wheels and adjustable leveling feet.

Specifications

• Assembled Dimensions: 73" L × 30.5" W × 61.6" H
• Net Weight: 165 lb
• Running Area: 18" × 60"
• User Weight Rating: Tested up to 450 lb
• Slat Durability: Rated for 150,000 miles
• Frame Material: Steel
• Bearing System: High-speed nylon bearings
• Resistance: Manual magnetic resistance (Low/Medium/High)
• Console Display: Distance, speed, time, calories
• Power: Self-generated (no electricity required)

What’s Included

• SB Fitness CT400 Curved Treadmill
• Digital performance console
• Pre-assembled running deck with curved slat belt
• Steel handrails and frame components
• User manual and setup instructions

Shipping & Delivery

This product ships from the USA. Due to its size and weight, it ships via freight/LTL. The carrier will schedule a delivery appointment. Depending on location, options such as threshold or room-of-choice delivery may be available. An adult must be present to receive and sign for the shipment.

Warranty

Residential Warranty

• Frame: 10 years (excluding handlebars)
• Parts: 5 years (includes handlebars)
• Console: 2 years
• Labor: 1 year

Commercial Warranty

• Frame: 5 years (excluding handlebars)
• Parts: 3 years (includes handlebars)
• Console: 2 years
• Labor: 1 year