The KB2403 is a versatile Smith Machine featuring a 3x3 inch, 9-gauge steel frame for exceptional durability. It integrates a smooth, guided barbell system for safer, controlled lifts—ideal for squats, bench presses, and shoulder presses. The machine includes a Dual-Aluminum Pulley system with adjustable 1:1 and 2:1 ratios for various cable exercises, as well as a multi-grip pull-up bar. Perfect for full-body strength training, the KB2403 is designed to elevate your home or commercial gym setup.
KEY FEATURES
Pro-Grade Smith Machine
- Self-Aligning Barbell (±20° for natural movement).
- Safety Locking Pins – Train solo with confidence.
Dual-Pulley Cable System
- Switchable 1:1 & 2:1 Ratios – Heavy lifts or high-rep endurance.
- 200° Rotational Arms – Full-range cable exercises.
TWO MODELS, ENDLESS POSSIBILITIES
1. KB2403 (Plates-Loaded)
- Budget-Friendly Flexibility – Use your existing Olympic plates.
- Dual High/Low Pulleys – Independent or synchronized movement.
- Ideal For: Lifters who want minimal upfront cost and already own plates.
2. KB2403 (Weight Stack)
- 110lbs Cast Iron Stack – Quick, seamless weight changes.
- Upgradable to 220lbs – For progressive overload.
- Ideal For: Trainers and athletes who want commercial-grade convenience.
KB2403 Functional Smith Machine 3"X3" 9-Gauge
Brand: Spartaks Strength
Foot Print: 64" Depth x 47" Width x 89" Height
Smith Bar: 45LB chrome-plated, self-aligning.
Smith Bar: Length: 7'
Uprights Interior Depth:36.25"Width: 41"
Weight: 650LB (870LB)
Frame Size: 3"x3"
Steel Thickness: 9-Gauges (3.2mm) Rather than 11-Gauges (2.5mm)
Holes Size: 1"
Hole Space: 2"
Weight Stack: 110lb each side (cast iron, expandable)
Pulleys: Aircraft-grade aluminum with sealed bearings
Ratios: Switchable 1:1 (heavy) / 2:1 (light)


