Front ViewCommercial GradeHS13 Leg Extension
A commercial selectorized leg extension machine engineered for pure quadriceps isolation. Cam-driven strength curve delivers consistent resistance through the full range of motion with a 96 kg selectorized stack.
About the HS13 Leg Extension
The Alpha™ Series HS13 Leg Extension is engineered around a cam-driven strength curve that matches the natural resistance profile of the quadriceps for consistent loading through the full range of motion. Adjustable back pad, shin pad, and range-of-motion limiter accommodate every user. The 96 kg selectorized stack, aircraft-grade cable and commercial steel frame make the HS13 a foundational leg piece for daily-use facilities.
Commercial gyms, universities, sports performance facilities, hospitality, and corporate wellness environments requiring premium selectorized strength equipment.
Ships partially assembled. 2 people recommended. Allow 2m × 2m clearance.
Built Different.
Commercial Construction
11-gauge steel frame with CNC-machined pivot points. Built for 10,000+ cycles without performance degradation.
Precision Engineering
Variable-radius cam delivers smooth resistance through the full range. Biomechanically optimized for maximum engagement.
Low Maintenance
Sealed weight stack housing, self-lubricating pulleys, and powder-coated frame reduce upkeep.
Full Customization
10 frame paint colors and 10 upholstery options. Custom color matching available.
Ergonomic Design
Multi-position seat and pad adjustments accommodate users of all heights.
Wholesale Program
Order 3+ machines and unlock automatic bulk discount.
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Commercial-grade equipment for gyms that mean business.
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