SportsArt DF-305 Performance Bicep Curl/Triceps Extension
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Bicep Curl & Triceps Extension β’ Dual-Function Design β’ Smooth Resistance β’ Performance-Series Construction β’ Commercial-Grade Durability β’ FREE Shipping
The SportsArt DF-305 Performance Bicep Curl/Triceps Extension station delivers comprehensive arm training by combining isolated bicep curl and triceps extension movements into a single dual-function machine. Training both the biceps and triceps from one station maximizes floor space efficiency while ensuring balanced arm development β essential for both aesthetic goals and functional upper body strength. Built to SportsArtβs Performance-series commercial standards, the DF-305 features a heavy-gauge steel frame and precision-engineered weight stack system designed for continuous multi-user daily use.

The bicep curl function delivers isolated resistance for the biceps brachii and brachialis through a smooth, controlled arc of motion. The guided movement pattern ensures proper elbow flexion mechanics, maximizing bicep engagement while minimizing shoulder and wrist compensation β making the DF-305 more effective and safer for isolated bicep development than free weight curl variations for many users.
The triceps extension function provides isolated resistance for all three heads of the triceps brachii through a smooth, controlled range of motion. Effective triceps development is critical for overall arm size, pressing strength, and elbow joint stability β making the DF-305βs triceps extension function a valuable complement to any upper body training program.
| Feature | Specification |
|---|---|
| Movements | Bicep curl & triceps extension |
| Function | Dual-function |
| Resistance System | Weight stack |
| Series | Performance |
| Construction | Commercial-grade steel, powder-coat finish |
| SKU | DF-305 |
The biceps and triceps are antagonist muscle groups β training them together in the same session promotes balanced arm development, supports elbow joint health, and maximizes training efficiency. The DF-305βs dual-function design allows users to superset bicep curls and triceps extensions without moving between machines, making arm training sessions more time-efficient and effective.
Yes! The SportsArt DF-305 ships FREE to your door. Add to cart and your shipping will be calculated at checkout β no hidden fees.
30-day satisfaction guarantee. If you're not completely satisfied, we'll arrange pickup and provide a full refund (return shipping fees apply).
Yes! Flexible financing options available at checkout.
Download Product Brochure (PDF) β Features and specifications overview
The dual-function arm station built for serious commercial training environments
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