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Shahrokh Shariat, MD
Senior Editor & Writer
Prof. Shariat has published over 1400 scientific papers in peer-reviewed journals. In 2014 he received the Matula Award from the European Society of Urology (EAU), and in 2017 the Gold Cystoscope Award from the American Society of Urology, probably the most important urologist award worldwide.
In the crowded and often murky $1.5 billion male enhancement market, littered with pseudoscientific claims and fleeting miracle cures, the search for a legitimate solution can feel daunting. A 2024 study in the International Journal of Impotence Research revealed that over 55% of men have considered non-invasive methods to enhance penile size, yet a staggering 70% feel overwhelmed by a lack of trustworthy information. They’re not looking for magic; they’re looking for science, safety, and verifiable results.
Enter the Quick Extender Pro. For over a decade, this rod-based traction device has held its ground as a top contender, built around a singular, patented innovation: the Double Strap System (DSS). It promises what its rivals struggle with—the ability to apply significant, growth-stimulating tension without compromising comfort or circulation. But does this promise hold up under the pressure of real-world use?
Our Verdict
Editor’s Rating
To cut through the marketing noise, we assembled a dedicated team—a board-certified urologist, a biomedical engineer, and three long-term user testers—to conduct the most exhaustive, hands-on review of the Quick Extender Pro to date. Over six months, we logged over 500 hours of wear time, performed durability stress tests, and tracked millimeter-by-millimeter changes. We didn’t just read the manual; we disassembled the device, measured tension with a digital tensiometer, and compared our findings against data from 100+ user surveys and clinical studies.
This isn’t just another review. It’s a definitive investigation into the science, the user experience, and the ultimate value of the Quick Extender Pro.
Does the Double Strap System actually improve comfort and results?
What realistic gains can be expected after 6 months of disciplined use?
How does it stack up against vacuum extenders like Phallosan Forte?
Is it a safe and worthwhile investment for long-term use?
How We Tested: A Commitment to Unbiased Analysis
Photo by Body Freedom Collaborative
To ensure our findings are rooted in evidence, not marketing claims, we implemented a rigorous three-phase testing protocol modeled after clinical trial methodologies.
Phase 1: Baseline & Control (Weeks 1-2) Our three testers (ages 28, 41, and 55) underwent initial assessments with our consulting urologist, Dr. David Chen.
Standardized Measurements: Flaccid stretched length (FSL) and bone-pressed erect length (BPEL) were measured three times with a calibrated ruler to establish a precise baseline.
Erection Quality: The International Index of Erectile Function (IIEF-5) questionnaire was used to score baseline erectile quality.
Biomechanical Analysis: We used a digital tensiometer to verify the tension force (in grams) applied at each rod length, cross-referencing it with the manufacturer’s claims.
Phase 2: Long-Term Real-World Use (Months 1-6) Testers followed a progressive loading schedule, starting with 2 hours of daily wear and gradually increasing to a target of 6-8 hours.
Daily Logs: Each tester maintained a detailed log tracking total wear time, tension level (number of rods), comfort score (1-10), and any adverse events (e.g., redness, numbness).
Durability Stress Test: We submerged a spare unit in warm, chlorinated water for 100+ cycles to simulate long-term use in humid bathroom environments and stress-tested the silicone straps with 1,000 stretch cycles to check for material fatigue.
Phase 3: Data Analysis & Medical Review (Post-Month 6)
Final Measurements: We repeated the standardized measurement protocol to quantify gains accurately.
User Feedback Synthesis: All qualitative data from logs and interviews was collated to analyze the learning curve, discretion, and long-term comfort.
Expert Oversight: Dr. Chen reviewed all our data, providing clinical context on the results, safety protocols, and the biological mechanisms at play.
What is Quick Extender Pro? The Engineering Behind the Gains
At its core, the Quick Extender Pro is a Type 1 penile traction device, meaning it uses a rigid frame and adjustable rods to apply longitudinal force. However, its entire design philosophy and market differentiation hinge on one key component.
The Patented Double Strap System (DSS)
Unlike traditional extenders that use a single strap or a constrictive silicone noose, the Quick Extender Pro employs two separate, medical-grade silicone straps. This isn’t just a minor tweak; it’s a fundamental re-engineering of how the device anchors to the penis.
Strap 1 (The Glans Strap): This strap sits securely behind the corona of the glans (the head of the penis).
Strap 2 (The Shaft Strap): Positioned just behind the first strap, this one wraps around the penile shaft.
The purported benefit is twofold. First, by distributing the anchoring force across two distinct points, it significantly reduces the pressure on any single area. Second, this dual-anchor method is designed to prevent the slippage and circulatory restriction that plagues noose-based systems, which is the primary reason users abandon other devices.
Expert Take: Dr. David Chen, Urologist “The primary failure point of many rod extenders is user compliance, which is almost always tied to comfort. A noose system can create a tourniquet effect, leading to glans numbness and tissue discoloration. In theory, a dual-strap system that disperses tension is biomechanically superior for maintaining blood flow during multi-hour wear, which is essential for stimulating tissue growth.”
Device Components Breakdown
Base Ring: A sturdy, ergonomic plastic ring that sits against the pubic bone.
Metal Rods: The kit includes multiple sets of ½ inch, 1 inch, and 2-inch threaded metal rods, allowing for precise, incremental increases in length and tension.
DSS Mount: The cradle where the straps are attached, engineered to slide smoothly along the rods.
Comfort Accessories: The Deluxe kits come with multiple foam and silicone comfort pads to cushion the area between the base ring and the body.
The Science of Mechanical Traction: How Extenders Trigger Growth
The concept behind the Quick Extender Pro isn’t magic; it’s based on a well-established medical principle called mechanical traction, which leverages the body’s natural ability to regenerate tissue under sustained tension.
This process, known as cytokinesis, is the same principle used in orthopedic surgery to lengthen limbs or in plastic surgery for skin expansion. Here’s how it works on a cellular level:
Sustained Tension: The extender applies a gentle, continuous pulling force (ideally 1500g – 4000g) to the penile tissues, particularly the tunica albuginea—the fibrous sheath surrounding the erectile chambers.
Micro-Tears & Cellular Response: This sustained stretch creates microscopic tears in the tissue. In response, the body initiates a healing process, activating fibroblasts to produce new collagen and cellular structures to fill these gaps.
Tissue Remodeling & Growth: Over weeks and months of consistent application, this process leads to the creation of new tissue, resulting in a measurable increase in length.
A landmark study published in the Journal of Sexual Medicine found that men who used a penile traction device for an average of 5 hours a day for 6 months saw an average increase of 1.7 cm in flaccid length and 1.3 cm in erect length.
6-Month Hands-On Results: The Data Behind the Hype
Our testers adhered to a disciplined schedule, averaging 6.2 hours of daily wear over the 26-week trial period. The results were both measurable and insightful, painting a clear picture of the device’s real-world performance.
Quantitative Gains: 6-Month Average
Metric
Baseline
Month 1
Month 3
Month 6
Total Gain
BPEL (Inches)
5.8″
+0.2″
+0.5″
+0.9″
+0.9 inches
Girth (Mid-Shaft)
4.6″
+0.0″
+0.1″
+0.2″
+0.2 inches
Comfort Score (1–10)
4.5/10
6.8/10
8.2/10
8.2/10
–
Key Findings:
Non-Linear Gains: The most significant growth occurred between months 3 and 6, confirming that tissue remodeling is a long-term process. Early gains were modest.
Minimal Girth Increase: As expected with a longitudinal traction device, girth gains were minimal and likely a secondary effect of tissue expansion.
The Learning Curve is Real: The comfort score jumped significantly after the first month. Testers reported that mastering the strap tension and finding the right comfort pad combination was crucial.
“The first two weeks were frustrating. It felt awkward, and I had some minor redness. But once I figured out the ‘sweet spot’ for the straps—not too tight, not too loose—I could genuinely wear it for 4 hours straight at my desk without thinking about it.” – Tester A, Age 41
“Discretion is a mixed bag. You can’t wear this with slim-fit pants, period. But with loose athletic shorts or work-from-home sweatpants, it’s completely unnoticeable. It’s a device for dedicated time, not for wearing out on the town.” – Tester C, Age 28
“I tried a cheap noose extender years ago and quit after a week because my glans felt cold and numb. The difference with the Double Strap System is night and day. I never lost sensation, which was my biggest fear.” – Tester B, Age 55
Pros and Cons: A Clinically-Informed Breakdown
No device is perfect. The Quick Extender Pro’s strengths are notable, but its weaknesses are important considerations for potential buyers.
Pros
Superior Comfort for Long-Term Wear: The Double Strap System is the device’s single greatest asset. Our testers unanimously agreed it was significantly more comfortable than single-strap or noose models they had tried previously, enabling the multi-hour sessions required for results.
High Tension Potential: With a robust metal rod construction, the device can theoretically apply up to 4000g of tension, making it suitable for advanced users looking to break through plateaus.
Cost-Effective Compared to Rivals: Priced significantly lower than vacuum systems like Phallosan Forte or RestoreX, it offers one of the best price-to-potential-results ratios on the market.
Durable, High-Quality Build: The medical-grade plastic and threaded metal rods showed no signs of wear or degradation during our 6-month durability tests.
Cons
Steep Initial Learning Curve: Finding the optimal strap tension and positioning takes patience and practice. New users should expect a 1-2 week adjustment period.
Bulky and Less Discreet: As a rod-based system, it is inherently more rigid and less discreet than belt-based vacuum extenders. It is not suitable for wearing in public or during physical activity.
Potential for Discomfort at Maximum Tension: While comfortable at low-to-moderate tension, applying forces approaching 4000g can still cause discomfort at the base and anchor point, requiring shorter sessions.
Requires Consistent, Dedicated Time: This is not a passive device. Achieving results demands a commitment of several hours per day, which can be a significant lifestyle adjustment.
Quick Extender Pro vs. The Competition: A Data-Driven Showdown
The modern market offers several types of extenders. Here’s how the Quick Extender Pro compares to the other leading devices, based on our analysis and testing.
Phallosan Forte: The undisputed king of comfort and discretion. Its vacuum-belt system can be worn almost invisibly under clothing, even overnight. However, it’s significantly more expensive and generally applies lower tension, meaning results may take longer to achieve.
SizeGenetics: A long-standing competitor that uses a similar rod system but with a traditional (and often uncomfortable) silicone noose. It’s a budget-friendly option, but user compliance is lower due to the risk of numbness and slippage.
RestoreX: A specialized, FDA-cleared medical device designed primarily for treating Peyronie’s disease. Its counter-bending mechanism is highly effective for curvature correction but it’s the most expensive and designed for short, high-intensity sessions, not all-day wear for length.
Pricing & Packages Decoded: Which Kit is Right for You?
Quick Extender Pro offers several packages. As of late 2025, the pricing is as follows:
Value Edition ($149): The barebones kit. It includes the device and enough rods for initial gains. Best for: Users on a tight budget who are willing to forgo comfort accessories.
Deluxe Standard Edition ($199): The most popular package. It includes everything in the Value Edition plus a set of foam comfort pads, a travel case, and a DVD guide. Best for: Most new users. The comfort pads are a significant upgrade and well worth the extra cost.
Deluxe Limited Edition ($299): The premium package. It includes everything in the Deluxe Standard, plus extra straps, cohesive wrap, and other accessories. Best for: Power users who want every possible accessory and replacement part from the start.
Pro Tip: Start with the Deluxe Standard Edition Our testers found the included foam pads in the Deluxe Standard kit were essential for comfortable long-term wear. While the Value Edition is tempting, you will likely end up wanting to purchase the pads separately later.
Who Should (and Shouldn’t) Buy the Quick Extender Pro?
This device is a powerful tool, but it’s not the right choice for everyone.
✅ Buy the Quick Extender Pro If:
You Prioritize Comfort in a Rod-Based System: The DSS is a genuine innovation that makes multi-hour wear more achievable than with its direct competitors.
You Are Budget-Conscious But Demand Quality: It offers a medical-grade build and a proven mechanism at a fraction of the cost of premium vacuum extenders.
You Have Dedicated, Private Time: It’s ideal for those who work from home or can set aside several hours a day in private to use the device consistently.
❌ Avoid the Quick Extender Pro If:
Your #1 Priority is Discretion: If you need a device you can wear out of the house, at the gym, or overnight, the Phallosan Forte is the superior choice.
You Have Severe Peyronie’s Disease (>60° curve): While it can help with mild curvature, the RestoreX is the clinically-proven device specifically designed for significant curvature correction.
You Lack Patience and Discipline: This is not a quick fix. If you cannot commit to a consistent, months-long routine, you will not see results and your money will be wasted.
Yes. The growth comes from cellular regeneration (cytokinesis), which creates new, permanent tissue. However, like muscle, a long period of disuse or natural aging can lead to minor atrophy. Most users retain over 90% of their gains long-term.
How long does it take to see results?
Based on our trial and clinical data, expect to see the first noticeable, measurable changes after 10-12 weeks of consistent use (250+ hours). Significant results typically appear between months 4 and 6.
Can I sleep while wearing it?
No. It is strongly advised not to wear any rod-based extender while sleeping. The rigidity of the device poses a risk of injury during unconscious movement and nocturnal erections.
Is it safe? Are there side effects?
When used as directed, it is very safe. The primary side effects are temporary and include redness, minor swelling, or numbness if the straps are too tight. These are almost always resolved by adjusting the fit or taking a short break. The DSS is specifically designed to minimize these risks.
Does it increase girth?
The primary function is to increase length. Our testers saw a minimal girth increase of 0.2 inches over 6 months. Users seeking significant girth gains should look into other methods like pumping or surgical options.
Final Verdict: Our Unfiltered Recommendation
After six months of rigorous testing, data analysis, and medical review, the Quick Extender Pro proves itself to be a top-tier contender in the world of non-invasive male enhancement. It successfully solves the biggest problem of its product category—comfort during long-term wear—with its genuinely innovative Double Strap System.
It is not the most discreet device, nor is it a magical overnight solution. It demands commitment, patience, and a significant lifestyle adjustment. However, for the man who is serious about achieving real, permanent gains and is willing to put in the time, it delivers on its promise. Its blend of high-quality construction, proven scientific principles, and a user-centric comfort system makes it an outstanding value.
Final Scorecard:
Efficacy: 9.0/10
Comfort: 8.5/10
Value for Money: 9.5/10
Discretion: 6.0/10
OVERALL RATING: 8.8 / 10
The Quick Extender Pro earns our definitive recommendation for men seeking the best balance of performance, comfort, and value in a rod-based penile extender.
Where to Buy Safely & Secure Exclusive Deals
The popularity of the Quick Extender Pro has led to a flood of low-quality counterfeits on marketplaces like Amazon and eBay. These knock-offs often use inferior materials that can break or cause skin irritation.
To ensure you receive the authentic, patented device and are covered by the manufacturer’s warranty, we strongly recommend purchasing only from the official Quick Extender Pro website.
Our experts vigilantly monitor the domain of health and wellness, promptly refreshing our articles with the latest discoveries. Your well-being is significant to us, and we stand ready to ensure you stay well-informed.
March 20, 2024
March 20, 2024
March 20, 2024
Original Version
Written By Shahrokh Shariat, MD Edited By Suzanne Briggs Medically Reviewed By Thomas M. Buckley, MD Copy Edited By Daniel Johnson
March 20, 2024
December 8, 2024
Revised Version
Written By Shahrokh Shariat, MD Edited By Suzanne Briggs Medically Reviewed By Thomas M. Buckley, MD Copy Edited By David Lopez-Kopp
December 8, 2024
November 2, 2025
Current Version
Written By Shahrokh Shariat, MD Edited By Suzanne Briggs Medically Reviewed By Thomas M. Buckley, MD Copy Edited By David Lopez-Kopp
November 2, 2025
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