Strength Gear SG-003 Spinning Bike

Professional Indoor Cycling Equipment for Commercial Fitness Facilities

The Strength Gear SG-003 Spinning Bike is a professional indoor cycling bike engineered for high-intensity cardiovascular training, spinning classes, and continuous commercial use.

Equipped with a high-inertia flywheel and reinforced mechanical components, it delivers a powerful, smooth, and stable riding experience suitable for demanding fitness environments.

The SG-003 is ideal for commercial gyms, indoor cycling studios, hotels, corporate fitness areas, and institutional facilities.

Key Features

• High-inertia flywheel for smooth and consistent pedal motion
• Reinforced 25 mm central axis for enhanced durability
• Heavy-duty pedal system with 20 mm pedal diameter
• Commercial-grade steel frame construction
• Stable geometry for both seated and standing cycling
• Designed for continuous, high-frequency professional use

Technical Specifications

Model: SG-003
Brand: Strength Gear
Equipment Type: Spinning / Indoor Cycling Bike

Flywheel Weight: 19.5 kg
Central Axis Diameter: 25 mm
Pedal Diameter: 20 mm

Dimensions:
• Length: 147 cm
• Width: 52 cm
• Height: 127 cm

Net Weight: 63.5 kg
Maximum User Weight: 158 kg

Structural & Mechanical Design

The SG-003 features a reinforced steel frame combined with precision-engineered rotating components to ensure long-term durability and stability in commercial environments.

• High torsional rigidity for intense standing climbs
• Heavy flywheel providing improved inertia and cadence smoothness
• Robust central axis minimizing lateral movement
• Stable base reducing vibration during high-intensity sessions

This construction ensures reliable performance, enhanced safety, and reduced mechanical wear.

Biomechanics & Riding Efficiency

The geometry of the SG-003 supports a natural cycling posture, promoting optimal joint alignment and efficient muscle coordination.

Biomechanical Benefits

• Proper hip–knee–ankle alignment
• Reduced shear forces on the knee joint
• Stable pelvic positioning during high-load cycling
• Efficient force transfer throughout the pedal stroke

Primary Muscles Activated

Quadriceps, hamstrings, glutes, calves, and core stabilisers.

Fitness & Physiological Benefits

Training on the Strength Gear SG-003 provides high cardiovascular demand with low joint impact, making it suitable for a wide range of users.

• Improves aerobic capacity
• Increases caloric expenditure
• Enhances lower-body muscular endurance
• Ideal for steady-state, interval, and high-intensity spinning sessions

The heavier flywheel ensures smoother cadence transitions and sustained power output.

Coaching & Training Applications

The SG-003 Spinning Bike is suitable for:

• Group indoor cycling and spinning classes
• Personal training sessions
• Endurance and power-based cardio programs
• Athlete aerobic conditioning
• Warm-up and conditioning phases in structured training programs

EU Standards & Safety Compliance

The Strength Gear SG-003 Spinning Bike is designed in alignment with EN ISO 20957 European standards for stationary training equipment, ensuring safety, stability, and long-term reliability.

Applicable Standards

• EN ISO 20957-1 – General safety requirements
• EN ISO 20957-5 – Stationary exercise bicycles

These standards address:

• Mechanical and structural safety
• Stability under maximum user load
• Safe operation during high-intensity training
• Durability for continuous commercial use

Professional Use Environments

• Commercial gyms and fitness centres
• Indoor cycling and spinning studios
• Hotels and wellness facilities
• Corporate fitness areas
• Educational and institutional training environments

Final Statement

The Strength Gear SG-003 Spinning Bike is a professional indoor cycling solution that combines high-inertia performance, biomechanical efficiency, and commercial-grade durability.

Designed in alignment with EN ISO 20957 European standards, it ensures safe operation, smooth riding performance, and long-term reliability in demanding fitness environments.