Flexbar Pro™
Flexbar Pro™
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Shipping Details
Shipping Details
Ships in 5-7 days
Our Guarantee
Our Guarantee
At GrindFuel, we don’t flex without backing it up. If your FlexBar Pro doesn’t deliver real results, send it back within 30 days for a full
refund. Zero excuses. Just gains.
Specifications
Specifications
Material: Durable steel spring with non-slip ABS grips
Length: 28 inches (flexes during resistance)
Resistance Options: 30kg, 40kg, 50kg, 60kg
Weight: ~2.5–3 lbs (depending on resistance level)
Finish: Matte black & silver with GrindFuel branding
Meet the FlexBar Pro, your go-to upper body sculptor from GrindFuel. Designed to torch your arms, chest, shoulders, and core, this compact powerhouse uses controlled tension resistance to deliver real muscle engagement with every twist and press.
Whether you're warming up, training on-the-go, or chasing that perfect pump at home, the FlexBar Pro delivers functional strength without the need for bulky equipment. Tough. Portable. Built to make you feel the burn.
Note:
Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding!
Please allow a 1-2 cm difference in measurements due to manual measuring.
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Dual-action training
- Builds chest, arms, shoulders & grip strength

High Tension Resistance Bar
- Durable steel spring core — built to withstand beast-mode
- High-tension resistance bar — serious stretch, serious burn

Compact & Portable
- Perfect for home, travel, or gym bag

Ergonomic non-slip grips
- No sliding during sets

Sculpt lean muscle and build explosive strength anywhere with FlexBar—the versatile resistance bar that brings the burn without the bulk.
Frequently Asked Questions
What muscles does the FlexBar Pro target?
It’s designed for chest, biceps, triceps, shoulders, and even core stabilization when used properly.
Is it good for beginners?
Yes! It comes in multiple resistance levels. Start with lighter tension and work your way up as you build strength.
How does it work?
You twist or press against the FlexBar Pro’s steel spring resistance — this forces your muscles to engage through the full range of motion for real hypertrophy.
Can I use it every day?
Absolutely. Use it for warm-ups, cool downs, or full upper-body circuits. Just listen to your muscles and adjust intensity.
How portable is it?
Super compact and lightweight — toss it in your gym bag, suitcase, or keep it under
your desk for quick daily reps.