ONYX Chest Fly

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The ONYX Chest Fly is a premium plate-loaded strength machine engineered specifically for pectoralis major development with smooth, controlled fly motion. Built for large commercia l gyms and upscale personal training studios, its modern aesthetic and robust construction support high-frequency performance while delivering precise muscle targeting. The training arms follow a scientifically optimized path aligned with chest muscle fiber orientation and natural shoulder biomechanics—ensuring stable, fluid fly movements with consistent activation. 360° adaptive rotating handles automatically follow the user’s hand positioning throughout the range of motion to maintain neutral wrist alignment, reducing joint stress and improving comfort. Adaptive swing arms enhance motion stability and repetition control, while an ergonomically angled back pad provides firm scapular support for better posture and cleaner execution. Pneumatic infinite seat adjustment enables quick one-handed setup for users of different body types, ensuring ideal alignment and 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 Chest Fly Machine: Built for targeted pectoralis major development with smooth, stable fly mechanics. Biomechanically Optimized Fly Path: Training arms align with chest fiber direction and shoulder joint mechanics for controlled, effective motion. 360° Adaptive Rotating Handles: Automatically rotate with movement to maintain neutral wrist alignment, reducing joint stress and improving comfort. Adaptive Swing Arms: Improves movement fluidity and stability, enhancing control and maximizing target muscle engagement. Ergonomic Back Pad Design: Angled scapular support structure stabilizes posture for cleaner reps and safer execution. Pneumatic Infinite Seat Adjustment: One-hand seat height adjustment supports fast setup and ideal alignment for users of different body types. Commercial-Grade Construction: Reinforced build designed for durability and reliable performance in high-traffic facilities. Training Options Chest Fly: Primary movement for isolating the pectoralis major and improving chest shape and definition. Hypertrophy Training: Ideal for controlled volume work to build chest size, thickness, and endurance. Mind-Muscle Connection Work: Smooth guided path supports precise contraction and stronger chest activation. Accessory Push Training: Complements bench press, incline press, and dip training for complete chest development. Joint-Friendly Isolation: Adaptive handles and stabilized motion reduce wrist/shoulder stress for cleaner reps. Product Specifications Dimensions (L × W × H): 61.1 × 55.7 × 41.1 in Total Weight: 203 lb Resistance Type: Plate-loaded Target Muscle Groups: Chest (pectoralis major primary), anterior deltoids (secondary) Intended Use: Commercial gyms and high-traffic training facilities Why Choose ONYX Optimized fly path improves pectoral activation while supporting natural shoulder biomechanics 360° adaptive handles reduce wrist stress and improve comfort across the full range of motion Ergonomic scapular support improves posture and enhances movement precision Commercial-grade build designed for consistent, high-traffic chest isolation training Show more