Exercises and muscles targeted

Exercise	Muscles Targeted
Chest Fly - Bilateral (standard)	Pectoralis Major (sternal and clavicular heads, primary), Anterior Deltoid (secondary), Coracobrachialis (secondary), Pectoralis Minor (stabiliser)
Chest Fly - Isometric Hold (peak contraction)	Pectoralis Major (sustained isometric at full adduction), Anterior Deltoid (sustained), Serratus Anterior (stabiliser - scapular protraction at peak)
Chest Fly - Slow Eccentric (controlled opening)	Pectoralis Major (eccentric loading through full stretch - maximum hypertrophy stimulus), Anterior Deltoid (eccentric), Biceps Brachii (stabiliser at elbow through eccentric)
Chest Fly - Partial ROM (inner arc only)	Pectoralis Major (sternal fibres, inner chest emphasis at peak contraction range), Anterior Deltoid (secondary), used for post-failure inner chest burnout sets
Chest Fly - Unilateral (single arm)	Pectoralis Major (unilateral - one side working to failure independently), Anterior Deltoid, Core and Obliques (anti-rotation stabiliser with single arm load asymmetry)

The chest fly is the primary pectoral isolation exercise because it loads the pectoralis major purely through horizontal adduction with no elbow extension component, which means the triceps and anterior deltoid contribute minimally and the pec does the majority of the work across the full arc from the stretched open position to peak contraction. The inclined back pad on the DSH049 shifts the fly arc slightly upward relative to a flat-seated position, increasing the contribution of the clavicular head and upper sternal fibres that are undertrained by flat fly movements alone.

Who this machine is built for

Serious Home Gym Builders
The DSH049 gives you dedicated plate-loaded chest fly at 661 lb bilateral capacity using the same Olympic plates as the rest of your setup. For a home gym already covering pressing with a bench and barbell, the chest fly fills the isolation gap that pressing alone cannot address — the inner chest, the full pec stretch, and the peak contraction range that no press angle replicates.

Bodybuilders and Physique Athletes
Inner chest separation, mid-pec fullness, and upper chest development across the clavicular head are all visual priorities in competitive physique. The DSH049's inclined position targets the upper-sternal and clavicular fibres that a flat fly undererepresents, and the 360° rotating handles allow the wrists to stay neutral through the full arc so the set ends when the pecs fail rather than when wrist discomfort cuts the set short. The counterbalance system means heavy loaded sets begin cleanly from the open position.

Commercial Gym Owners and Operators
A plate-loaded chest fly at 661 lb bilateral capacity occupies the premium tier above selectorized fly machines in both load ceiling and training feel. The DSH049's matte black finish and PT60×120×2.5mm frame construction position it clearly in the high-end plate-loaded category. Members who train chest seriously use dedicated fly machines consistently, and the adaptive arm path on the DSH049 makes it comfortable enough for a wider range of members than a fixed-arc alternative.

Private Personal Training Studios
The pneumatic seat adjusts instantly between clients of different heights, and the rotating handles accommodate different wrist anatomies without technique coaching. A trainer can position a client correctly, select the right plate load, and focus entirely on rep quality and chest activation cues rather than managing setup friction between appointments.

Powerlifters and Strength Athletes
Pectoral isolation through the fly arc builds the inner chest strength and connective tissue resilience that supports heavy bench press at full extension. The DSH049's plate-loaded format allows progressive loading of chest isolation work to levels that selectorized fly machines cannot reach, which makes it useful for powerlifters running high bench press volume who want to add chest isolation volume without the joint stress of additional pressing sets.

How to setup and use

Setting Up the DSH049 Chest Fly

Load Olympic plates evenly onto both counterweight rod frames, keeping amounts equal on each side for bilateral balance through the arm bracket pivot.
Sit against the angled back pad and use the gas spring pneumatic lever to adjust the seat until your shoulder joints align with the arm pivot axis when your arms are extended to the handles.
Grip both rotating handles with a neutral palm-facing grip — the handles will self-rotate to match your wrist position without manual adjustment.
Begin with the arms in the open starting position where the pectorals are at a comfortable stretch, confirming the counterbalance feels appropriately weighted before selecting your working load.
Keep both elbows slightly bent throughout the movement rather than locking them straight, which keeps tension on the pectorals rather than transferring stress to the elbow joint.
Pair with Dynasty Fitness Urethane Grip Plates for a clean, balanced loading setup across both counterweight rod frames.

Performing the Exercise

From the open starting position with the arms extended out to the sides and the pectorals in a full stretch, initiate the fly by driving both arms inward and toward each other in a smooth arc, focusing the effort at the chest.
Keep the elbows at a consistent slightly-bent angle throughout the arc rather than letting them flex more as the load increases — additional elbow bend shifts the movement toward a pressing pattern and reduces pec isolation.
Bring the handles together at peak adduction where the pectorals are fully contracted, hold for one to two seconds, then return to the open position.
Control the eccentric lowering phase over at least two to three seconds — the stretch-loaded eccentric phase of the fly is one of the primary hypertrophy stimuli of the exercise and should not be rushed.
After the final rep, return to the open position and allow the counterbalance to hold the arm weight before releasing the handles and dismounting.

Owner's Manual

Access the complete assembly guide, parts list, and maintenance schedule below.

Download Owners Manual

Shipping & Delivery

All Dynasty Fitness equipment ships free across the 48 contiguous US states via freight carrier. If the product description says preorder, we'll send you an estimated delivery date via email.

Estimated delivery: 7–14 business days from order confirmation. You will receive a tracking number and a delivery window confirmation call before your shipment arrives. Deliveries are curbside standard, white glove delivery to room of choice is available at checkout.

Returns: Free within 30 days of delivery. Items must be in original condition and packaging. Refunds processed within 5 business days of return receipt.

Questions? Contact our team at:
📧Email: info@thedynastyfitness.com
📞Call: +1 (213)-584-0858

Need a buying guide?

Looking for one to one support before making final decision?
Feel free to contact us. Our expert support team would love to assist you.

Need Installation Help?

We have partnered with another company to help provide installation around the country. Please use the link below to see the price per machine for installation
See Installation Rates

Payment & Security

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Save 10%

Chest Fly DSH049

$1,349.00

$1,349.00 ~~$1,499.00~~ 10% off (Save$150.00 )

Commercial Grade
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Chest Fly DSH049 is a plate-loaded pectoral fly machine that trains the pectoralis major through a bilateral horizontal adduction arc from an ergonomically inclined seated position targeting the mid and upper chest. The arm path follows the natural biomechanics of the shoulder joint rather than a fixed mechanical arc, and 360° adaptive rotating handles automatically align with the wrist throughout the movement to eliminate joint stress at any point in the fly. A gas spring pneumatic seat adjusts with one hand to any height, counterweight rod frames offset the arm weight so the starting position never feels unnaturally heavy, and four 6206-2Z sealed bearings keep the bilateral arm brackets moving smoothly through the full fly range at any plate load within the 661 lb bilateral capacity. Built from PT60×120×2.5mm steel in matte black, the DSH049 is built for commercial gyms, personal training studios, and serious home gym setups where dedicated plate-loaded chest isolation is a programming priority.

Plate-loaded chest fly machine with a 661 lb bilateral load capacity that trains the pectoralis major through a shoulder-joint-aligned arc from an inclined seated position targeting the mid and upper chest
360° adaptive rotating handles automatically realign with the wrist through the full fly arc so the joint stays neutral at every position without manual adjustment between the open and closed phases
Counterweight rod frames offset the arm assembly weight so the effective resistance at the starting open position matches the selected plate load rather than feeling artificially heavy before the movement begins
Gas spring pneumatic seat adjusts instantly with one hand to any height so users of different torso lengths find the correct shoulder-to-pivot alignment without pin-hole compromises

Limited time offer

Get 20% off when you order 4 or more pieces of equipment!

Exercises and muscles targeted

Exercise	Muscles Targeted
Chest Fly - Bilateral (standard)	Pectoralis Major (sternal and clavicular heads, primary), Anterior Deltoid (secondary), Coracobrachialis (secondary), Pectoralis Minor (stabiliser)
Chest Fly - Isometric Hold (peak contraction)	Pectoralis Major (sustained isometric at full adduction), Anterior Deltoid (sustained), Serratus Anterior (stabiliser - scapular protraction at peak)
Chest Fly - Slow Eccentric (controlled opening)	Pectoralis Major (eccentric loading through full stretch - maximum hypertrophy stimulus), Anterior Deltoid (eccentric), Biceps Brachii (stabiliser at elbow through eccentric)
Chest Fly - Partial ROM (inner arc only)	Pectoralis Major (sternal fibres, inner chest emphasis at peak contraction range), Anterior Deltoid (secondary), used for post-failure inner chest burnout sets
Chest Fly - Unilateral (single arm)	Pectoralis Major (unilateral - one side working to failure independently), Anterior Deltoid, Core and Obliques (anti-rotation stabiliser with single arm load asymmetry)

Who this machine is built for

How to setup and use

Setting Up the DSH049 Chest Fly

Load Olympic plates evenly onto both counterweight rod frames, keeping amounts equal on each side for bilateral balance through the arm bracket pivot.
Sit against the angled back pad and use the gas spring pneumatic lever to adjust the seat until your shoulder joints align with the arm pivot axis when your arms are extended to the handles.
Grip both rotating handles with a neutral palm-facing grip — the handles will self-rotate to match your wrist position without manual adjustment.
Begin with the arms in the open starting position where the pectorals are at a comfortable stretch, confirming the counterbalance feels appropriately weighted before selecting your working load.
Keep both elbows slightly bent throughout the movement rather than locking them straight, which keeps tension on the pectorals rather than transferring stress to the elbow joint.
Pair with Dynasty Fitness Urethane Grip Plates for a clean, balanced loading setup across both counterweight rod frames.

Performing the Exercise

From the open starting position with the arms extended out to the sides and the pectorals in a full stretch, initiate the fly by driving both arms inward and toward each other in a smooth arc, focusing the effort at the chest.
Keep the elbows at a consistent slightly-bent angle throughout the arc rather than letting them flex more as the load increases — additional elbow bend shifts the movement toward a pressing pattern and reduces pec isolation.
Bring the handles together at peak adduction where the pectorals are fully contracted, hold for one to two seconds, then return to the open position.
Control the eccentric lowering phase over at least two to three seconds — the stretch-loaded eccentric phase of the fly is one of the primary hypertrophy stimuli of the exercise and should not be rushed.
After the final rep, return to the open position and allow the counterbalance to hold the arm weight before releasing the handles and dismounting.

Owner's Manual

Access the complete assembly guide, parts list, and maintenance schedule below.

Download Owners Manual

Shipping & Delivery

All Dynasty Fitness equipment ships free across the 48 contiguous US states via freight carrier. If the product description says preorder, we'll send you an estimated delivery date via email.

Returns: Free within 30 days of delivery. Items must be in original condition and packaging. Refunds processed within 5 business days of return receipt.

Questions? Contact our team at:
📧Email: info@thedynastyfitness.com
📞Call: +1 (213)-584-0858

Need a buying guide?

Looking for one to one support before making final decision?
Feel free to contact us. Our expert support team would love to assist you.

Need Installation Help?

We have partnered with another company to help provide installation around the country. Please use the link below to see the price per machine for installation
See Installation Rates

Payment & Security

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Chest Fly DSH049

$1,349.00

$1,349.00 ~~$1,499.00~~ 10% off (Save$150.00 )

Key Features

360° Adaptive Rotating Handles

The handles rotate freely through 360° via a limit gear ring and sleeve mechanism with four copper bearings. As the arms travel through the fly arc, the angle between the forearm and the handle changes continuously — a fixed handle forces the wrist into rotation to compensate, creating joint stress that interrupts focus and limits the weight that can be comfortably used. The rotating handles eliminate this by self-aligning to the wrist at every position in the arc. Unlike fixed-grip machines, the DSH049 lets the set end when the pec reaches failure rather than when the wrist becomes uncomfortable.

Adaptive Swing Arm Path

The bilateral arm brackets pivot on four 6206-2Z sealed bearings and follow an arc path shaped by the arm geometry rather than a rigid single-axis rotation. This means the arm path adapts to each user's shoulder width and natural shoulder joint arc rather than forcing both users into one fixed plane. Unlike machines with a single fixed pivot point that may misalign with wider or narrower shoulder widths, the adaptive arm system reduces the lateral shoulder stress that occurs when the pivot and shoulder axes do not coincide.

Counterweight Rod Frames

Two counterweight rod frames are positioned on the arm assembly to offset the mechanical weight of the arm brackets themselves. Without counterbalancing, the starting open position of a fly machine places the full weight of the arm plus the plate load on the pectoral in a lengthened and mechanically disadvantaged position — the hardest point in the movement coincides with the most vulnerable shoulder position. The counterbalance on the DSH049 reduces the effective load at the open position so the plate weight is what the muscle actually works against from start to finish.

Ergonomic Inclined Back Pad

The back pad is angled to provide scapular support in a slightly inclined seated position, keeping the thoracic spine against the pad through the full fly arc and preventing the shoulder blades from lifting off the support surface at the peak contraction point. The incline positions the fly arc to increase the contribution of the clavicular and upper sternal pectoral fibres that a flat-seated position undertargets. Unlike a vertical back pad that provides no thoracic reference through the fly, the angled design keeps the upper back anchored and the shoulder path consistent.

Pneumatic Infinite Seat Adjustment

The seat travels on inner and outer slide rails with three long rollers, adjusting to any height via a single gas spring lever without indexed positions. The critical fit requirement for a chest fly is shoulder joint alignment with the arm pivot even a small seat height deviation changes the effective arc and shifts load away from the pectorals toward the anterior deltoid. The gas spring system allows fine-tuning of this alignment precisely for every user rather than choosing between the nearest available pin holes.

661 lb Bilateral Load Capacity

The bilateral arm frame accepts Olympic plates on both counterweight rod frames with a total capacity of 661 lbs. Plate-loaded chest fly at this capacity range exceeds what any selectorized fly machine can practically deliver, making it the appropriate tool for athletes who have outgrown selectorized fly resistance ceilings. Load both sides equally with Dynasty Fitness Urethane Grip Plates to keep the bilateral arm balance consistent through the fly arc.

Product Information
Product Name	Chest Fly
Model	DSH049
Series	DSH Plate Loaded Series
Product Type	Plate-Loaded Incline-Seated Chest Fly Machine
Primary Function	Bilateral chest fly — pectoralis major isolation through horizontal adduction
Target Muscles	Pectoralis Major — sternal and clavicular heads (primary), Anterior Deltoid (secondary)
Grade	Commercial
Colour	Matte Black
Dimensions and Weight
Length	61.1 in (155.1 cm)
Width	55.7 in (141.4 cm)
Height	41.1 in (104.4 cm)
Net Weight	203 lbs (92 kg)
Load Capacity
Maximum Load Capacity	661 lbs (300 kg) — 330 lbs (150 kg) per side
Loading System	Plate-loaded — Olympic plates, dual counterweight rod frames
Adjustability and Mechanism
Seat Adjustment	Gas spring pneumatic — infinite, single-hand, tool-free
Seat Travel System	Inner and outer slide rails with 3 long rollers
Handle Rotation	360° adaptive — limit gear ring and sleeve, copper bearings x4
Arm Pivot Bearings	6206-2Z sealed bearings x4
Counterbalance	Counterweight rod frames x2 — offsets arm assembly weight
Arc Limiting	Internal and limit buffer pads x2 each — defines full open and closed arc boundaries
Frame and Construction
Main Frame Tubing	PT60×120×2.5mm rectangular steel
Back Pad	Ergonomic inclined angle — scapular support throughout fly arc
Floor Mats	3 x rubber mats
Finish	Matte black powder coat
Indoor Use Only	Yes

Q: How does a plate-loaded chest fly differ from a dumbbell fly or cable fly?
A: The DSH049 provides a fixed, machine-guided arc that keeps the resistance vector consistent through the full fly range — which cable and dumbbell alternatives cannot do, as the resistance vector shifts as the arm travels through the arc. The plate-loaded format also delivers a significantly higher load ceiling than either alternative. The 360° rotating handles solve the wrist alignment problem that dumbbell flies create at the wrist joint through the outer arc, where the wrist must pronate or supinate to maintain grip on the dumbbell.

Q: What is the benefit of the inclined back pad versus a flat seated position?
A: The inclined back pad shifts the fly arc slightly upward, which increases the angle of horizontal adduction relative to the torso and places more emphasis on the clavicular head and upper sternal fibres of the pectoralis major. A flat-seated fly primarily loads the mid and lower sternal fibres. For complete pectoral development, training the fly arc from both a flat and inclined position covers the full chest from the upper clavicular region through to the lower sternal attachment.

Q: How do I know my seat height is correct?
A: When seated against the back pad with the arms extended to the handles, your shoulder joints should align with the arm pivot axis of the machine. If your shoulders sit above the pivot, the arc will feel like it pulls the arm upward and forward rather than purely inward. Too low and the arc will feel like it pushes the arms downward. Use the pneumatic lever to find the position where the fly movement feels like a pure horizontal inward drive with no vertical shoulder disturbance.

Q: Can I train one arm at a time on the DSH049?
A: Single-arm chest fly is possible on the DSH049 by simply leaving one arm resting while training with the other. The counterbalance holds the resting arm's plate load in the open position. For single-arm work, reduce the plate load significantly compared to your bilateral sets since the full plate weight is now working against one pec rather than shared across both.

Q: What Dynasty Fitness machines pair with the DSH049 for a complete chest programme?
A: The DSH049 covers pectoral isolation through the fly arc. Pair it with the Chest Press DSH001 for bilateral compound pressing, the ISO-Lateral Chest Press DRE8001 for independent arm pressing to address left-right strength differences, and the ISO-Lateral Bench Press DSH045 for barbell-feel plate-loaded chest pressing at the incline or flat angle. Together these four stations cover compound pressing, isolation fly, and incline variation across the full pectoral from a complete plate-loaded and selectorized chest area.

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Every machine that leaves Dynasty Fitness carries the same promise: it is built to the commercial standard that professional training environments demand, priced so that standard is no longer exclusive to them, and backed by the support and warranty coverage that a long-term training investment deserves.

We are committed to equipment that stands the test of time — and to making sure the people who train the hardest have access to the tools that match their effort.