The Diamond Fitness DU55 Upright Bike is a premium residential upright bike designed for smooth, quiet cardio workouts at home. With a comfortable, adjustable seat, refined belt-drive system, and responsive magnetic resistance, the DU55 delivers a natural cycling feel for steady-state rides, intervals, and daily fitness training.

Built for comfort and consistency, the DU55 combines a stable frame, precise resistance control, and clear console feedback to help riders stay motivated and progress over time.

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Key Features

• Premium upright bike design for natural cycling posture
• Quiet belt-drive system with smooth magnetic resistance
• 32 resistance levels for fine-tuned workout intensity
• Comfortable seat with multi-position adjustability
• Intuitive console with workout programs and clear feedback

The DU55 is ideal for steady-state cardio, lighter interval training, and daily endurance rides. Its quiet operation and stable feel make it a great fit for home environments where comfort and reliability matter.

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Ideal For

• Home cardio and general fitness
• Low-impact training and joint-friendly exercise
• Daily endurance rides and light intervals
• Users who want an upright cycling position
• Shared household use with multiple riders

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SPECIFICATIONS

PERFORMANCE Resistance: Magnetic (ECB) Resistance Levels: 32 Drive System: Belt Drive Flywheel: 30 lb	CONSOLE Display: 7.5” Backlit LCD Feedback: Time, Distance, Calories, RPM, Watts, Heart Rate Programs: Manual + Preset Programs	CAPACITY Max User Weight: 350 lb Residential Use Design Multi-User Friendly Adjustability
FRAME Stable Steel Frame Adjustable Seat Height Integrated Pedal Straps	CONVENIENCE Contact Heart Rate Sensors Accessory Storage & Cup Holders Transport Wheels	WARRANTY Residential warranty: lifetime frame, lifetime brake, 10 years parts, 1 year labor

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Product Overview

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Console & Controls