SportsArt DF-305 Performance Dual-Function Biceps Curl/Triceps Extension Machine
An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy, transparent
returns. If you're comparing options, we encourage you to review competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure that never
happens to you.
Official Distributor
An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy,
transparent returns. If you're comparing options, we encourage you to review
competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure
that never happens to you.
Starts at: $1,223.75/mo Learn More
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Monthly payments start at: $1,223.75/mo Learn More
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Product Information
The SportsArt DF-305 Performance Bicep Curl/Tricep Extension combines two complementary arm movements in
one commercial selectorized station.
An adjustable seat back and seat bottom accommodate different user heights, while the heavy-duty arm pad
and chest support stabilize the upper body.
DirectDrive opposing cams reduce cable slack for faster exercise transitions, with an 11-pound biceps
start and a 6.5-pound triceps start.
A 220-pound stack, twenty 11-pound plates, durable upholstery, and supported positioning suit repeated
biceps and triceps training in commercial facilities.
Product Features
Biceps curls and triceps extensions share one station, with opposing cams supporting responsive changes between movement directions.
The seat back and seat bottom adjust independently to accommodate user height and establish supported arm alignment.
A heavy-duty arm pad and chest stabilization support help limit unwanted torso movement during controlled repetitions.
Dual Arm Movements
Opposing Cam System
Adjustable Seat Position
Arm Stabilization Support
SportsArt DF-305 Performance Bicep Curl/Tricep Extension
Complementary Arm Exercise:
One station supports controlled elbow flexion for biceps work and elbow extension for triceps training.
Efficient Movement Changeover:
DirectDrive opposing cams reduce cable slack to engage resistance promptly after the exercise direction
is changed.
Adaptable Seated Alignment:
Separate seat-back and seat-bottom adjustments help position users of different heights against the
exercise supports.
Stable Upper-Body Contact:
The heavy-duty arm pad and chest support encourage consistent arm placement and reduced torso movement.
About SportsArt
SportsArt develops commercial cardio, strength, and functional training equipment for fitness facilities. Its range emphasizes durable facility-focused construction, biomechanically considered exercise design, and training formats that support varied users across professional environments.
Why Choose Us?
Choose Peak Primal Wellness for a personalized, community-driven approach to health. We prioritize your well-being with high-quality products, tailored solutions, and 24/7 support.
As a family-owned business, we build lasting relationships, offering authentic, effective solutions to help you achieve your wellness goals.
Join our thriving community and embark on a journey toward optimal health with passionate professionals who genuinely care. At Peak Primal Wellness, you're not just a customer—you're family.
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Support
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Real humans. We answer quickly. Always here, always helpful
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Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
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Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
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Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady
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Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
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Frustrating, misleading return policies
Clear, honest return policy
Specifications
| Official Model Number | DF-305 official model |
| Primary Exercise Purpose | Biceps curl and triceps extension |
| Overall Machine Dimensions | 54.5×41.6×57 inches / 138.3×105.7×144.7 centimeters |
| Total Machine Weight | 485 lb / 220 kg |
| Standard Stack Weight | 220 lb / 100 kg |
| Maximum User Capacity | 500 lb / 227.3 kg |
| Starting Resistance Weight | 11-pound biceps / 6.5-pound triceps |
| Plate Increment Design | Twenty 11-pound plates |
| User Adjustment Design | Dual seat adjustment |
| Resistance Drive System | DirectDrive opposing cams |
| Support Pad Design | Heavy-duty arm support |
Warranty & Returns
Return Policy
To request a return or refund, customers can use our contact form, email info@peakprimalwellness.com, or phone – (877) 689-4898 . Once the product is inspected and confirmed to be in brand new condition, we will initiate the refund, which typically takes 5–7 business days to post back to the original payment method. Refunds can be applied via the customer’s preferred method, including card or bank transfer. Shipping instructions and the return address will be provided upon contacting customer service. Please include photos if the product arrives damaged. Click here to view our complete return policy for more details.
Shipping Policy
Customers may contact us by phone or email anytime to inquire about the status of their order. While we may not always have a tracking link available before the order ships, we are happy to check its current status for you. If an item is never received, please contact us immediately. We will promptly file a claim on your behalf and ship a replacement to ensure you receive your product as soon as possible. Click here to view our complete Shipping policy for more details.
Frequently Asked Questions
How should the seat bottom be adjusted?
Set the seat bottom so the arms align naturally with the pad and the selected movement pivot.
How should the seat back be adjusted?
Position the seat back to support the torso while maintaining comfortable shoulder and elbow alignment.
How is the exercise direction changed?
Let the mechanism stop fully, reposition for the other arm movement, and confirm the supports before lifting.
How should the arm pad be used?
Keep the working arms in consistent contact with the heavy-duty pad without lifting the shoulders or torso.
How does the chest support improve positioning?
Maintain light, stable torso contact with the support to reduce body movement during curls and extensions.
How is selectorized resistance changed?
Allow the weight stack to settle, then place the selector completely into the chosen plate.
What cable areas should be inspected?
Inspect visible cable sections, terminations, pulley tracking, and connection points regularly for wear or misalignment.
How should the seat and pads be cleaned?
Use a compatible mild solution, wipe all upholstery contact surfaces, and dry them after training.
