ONYX Biceps Curl

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The ONYX Biceps Curl is a high-end plate-loaded strength machine engineered for targeted biceps development with smooth, controlled curling performance. Designed for large commerci al gyms and premium personal training studios, its modern aesthetic and solid construction deliver reliable training quality for high-traffic environments. Adaptive dual-angle handles naturally follow the user’s wrist path during movement to reduce joint stress, while supporting multiple grip options from wide to narrow and supinated to neutral. A wide, ergonomically curved upper-arm pad provides stable, comfortable positioning across different shoulder widths, helping maintain strict curling form. The pneumatic, infinitely adjustable seat enables fast alignment for users of different heights, and a descending resistance curve matches the biceps’ natural strength arc—enhancing peak contraction and overall training effectiveness. .accordion-section { margin-bottom: 10px; border: 1px solid #ddd; border-radius: 6px; overflow: hidden; } .accordion-label { display: block; background-color: #f7f7f7; padding: 12px; font-weight: bold; cursor: pointer; } .accordion-content { max-height: 0; overflow: hidden; background: #fff; padding: 0 12px; transition: max-height 0.4s ease, padding 0.4s ease; } input.accordion-toggle { display: none; } input.accordion-toggle:checked ~ .accordion-content { max-height: 4000px; padding: 12px; } .accordion-content ul { margin: 0; padding-left: 20px; list-style-type: disc; } Key Features Plate-Loaded Biceps Curl: Designed for strict arm training and focused biceps development. Adaptive Dual-Angle Handles: Automatically follow natural wrist motion to reduce joint stress and improve comfort. Multiple Grip Options: Wide-to-narrow grips and supinated-to-neutral positions support varied training goals. Wide Curved Arm Support Pad: Ergonomically contoured upper-arm pad stabilizes positioning across different shoulder widths. Pneumatic Infinite Seat Adjustment: Quick, precise height adjustment supports ideal posture alignment for users of different heights. Descending Resistance Curve: Matches the biceps’ natural strength arc to enhance peak contraction and training effectiveness. Training Options Biceps Curl: Primary elbow flexion movement targeting biceps for size, strength, and definition. Grip Variation Training: Handle options allow different wrist/forearm positions to shift training emphasis. Peak Contraction Focus: Descending resistance curve supports stronger top-end contraction for improved activation. Strength & Hypertrophy Programming: Plate-loaded progression supports heavier sets and controlled volume training. Arm-Day Accessory Work: Complements pulling routines and full upper-body strength programming. Product Specifications Dimensions (L × W × H): 57.1 × 38.2 × 48.0 in Total Weight: 209 lb Resistance Type: Plate-loaded Target Muscle Groups: Biceps (primary), forearms (secondary) Intended Use: Commercial gyms and high-traffic training facilities Why Choose ONYX Adaptive handle design reduces wrist stress for more comfortable, consistent curling Descending resistance curve improves peak contraction for stronger biceps activation Curved support pad promotes strict form and stable positioning Commercial-grade construction built for high-frequency training environments Show more