DeepFlex™
DeepFlex™
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Shipping Details
Shipping Details
Ships in 5-7 days
Our Guarantee
Our Guarantee
At GrindFuel, we don’t just power your
performance — we stand behind it. If your DeepFlex Massage Gun doesn’t
meet your recovery needs, return it within 30 days for a full refund. No stress. No hassle. Just results.
Specifications
Specifications
Amplitude: 12mm deep tissue percussion
Speed Levels: 4 intensity settings (from warm-up to deep recovery)
Battery Life: Up to 6 hours per charge (USB-C rechargeable)
Noise Level: <45 dB (whisper-quiet motor)
Attachments: 4 interchangeable massage heads
Weight: 1.5 lbs –lightweight & portable
Material: Durable, sweat-resistant exterior with ergonomic grip
Unlock elite recovery with the DeepFlex by GrindFuel — the athlete’s go-to tool for deep tissue domination. Built for high-performance bodies, this powerful massage gun targets fascia, breaks up knots, and boosts blood flow so you can train harder and bounce back faster.
Whether you're crushing leg day, chasing PRs, or recovering from the grind, the DeepFlex delivers percussive power with precision. Compact, portable, and whisper-quiet, it fits in your gym bag and your recovery routine.
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High-torque motor
- Deep fascia and muscle penetration.
- Multiple speed settings for customized intensity.

Long Battery Life
- USB-C rechargeable with long battery life

Ergonomic, lightweight design
- Ergonomic, lightweight design made for athletes on the move
- Interchangeable heads to target every muscle group

Recover like a pro with DeepFlex—the powerful handheld massage gun that melts away muscle tension, speeds up recovery, and keeps you grinding pain-free.
Frequently Asked Questions
How deep does the DeepFlex massage gun go into the muscle?
The DeepFlex delivers up to 12mm of amplitude to reach deep fascia layers,
breaking up tension and boosting circulation where you need it most. It’s built
to mimic a deep tissue sports massage—without the appointment.
Is the DeepFlex loud? Can I use it in a quiet space?
Nope—this beast is shockingly quiet. Thanks to whisper-tech engineering, the
DeepFlex runs at less than 45 dB, so you can use it in the locker room, during cooldowns, or even while watching TV.
How long does the battery last?
The DeepFlex runs strong for up to 6 hours on a single USB-C charge, depending on intensity settings. It’s designed for multiple sessions without needing a recharge every time.
What makes this different from other massage guns?
DeepFlex is designed for athletes and serious grinders. With pro-grade percussive
power, targeted fascia release, and a portable, ergonomic design, it bridges the gap between clinical recovery and everyday use.
Does it come with different massage heads?
Yes! The DeepFlex includes 4 interchangeable heads to target different muscle groups—from large muscle groups to precision trigger points—so your whole body
gets the recovery it deserves.