Take the Stairs with More Confidence
Walking downstairs without gripping the handrail: a simple movement you want to enjoy again. Arbxmbx provides targeted support below the kneecap while allowing your knee to move freely.
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Based on Clinical Research
Biomechanical and clinical research has examined loading below the kneecap, patellar tendon straps, and knee braces:
Schwameder et al., University of Salzburg (ISB 2001) β Patellar tendon force, just below the kneecap, was calculated in 22 participants at different slopes. Walking downhill at a 12Β° slope produced forces 1.5 times higher than walking uphill at the same slope (4.6 versus 3.0 times body weight) and 2.7 times higher than walking on level ground.
de Vries et al., Scandinavian Journal of Medicine & Science in Sports (2016) β A randomized controlled trial involving 97 athletes with patellar tendinopathy. Using a patellar tendon strap significantly reduced pain during a single-leg decline squat compared with using no support.
Network Meta-Analysis, PLOS One (2025) β An analysis of 139 randomized controlled trials involving 9,644 patients. Among 12 interventions, knee braces had the highest probability of being the most effective for knee osteoarthritis symptoms.
These studies concern knee loading and the support methods (patellar tendon straps and knee braces).
Benefits:
- Adjustable support just below the kneecap for a more stable stride.
- Non-slip silicone keeps it in place all day.
- Take the stairs without that sharp pain, every day.
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π° 45-day money-back guarantee
Regular price
$39.99 USD
Regular price
$39.99 USD
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Arbxmbx provides support below the kneecap. Easy to put on and adjust, it lets your knee move freely every day.
Dr. James Wilson
Orthopedic Specialist
Returns & Refunds
Try it in your daily routine at your own pace. If it isn't right for you, you have 60 days to return it for a full refund of the purchase price. No explanations, no forms, no hassle. Choose your comfort with peace of mind.
Materials & Quality
A silicone cushion, breathable strap, and stainless steel adjustment buckles. Every detail is designed for a secure fit, easy adjustment, and support that moves with you.
Comfort & Secure Fit
Breathable materials promote airflow, even when you're more active. The non-slip silicone cushion helps keep the strap in place, while the adjustable closure lets you find a comfortable, snug fit.
When You Feel Every Step
At first, it's just a sharp twinge now and then.
Then come the moments when your knee really hurts:
- Getting up from a chair
- Walking down the stairs
- Standing for long periods
- Walking, even just to pick up groceries
Without realizing it, you start avoiding things. You take the stairs one step at a time, put off your walk, and ask your kids for a helping hand.
Here's the problem: the more fear holds back your movement, the more strength your legs lose. And the more your knee starts deciding how your day goes.
Maybe It's More Than Just Cartilage
You almost always hear the same explanation: βIt's worn-out cartilage.β
But your knee makes itself felt in different ways:
- A sharp twinge with every step, especially going downstairs
- Morning stiffness
- Swelling in the knee
- A feeling that it sometimes gives way
There's a reason: with every step, all that weight lands there. When you walk downstairs, your knee bears nearly three and a half times your body weight.
That's why squeezing the entire knee isn't enough. Arbxmbx provides support right where the load is handled: below the kneecap.
Support Below the Kneecap
Arbxmbx is a compact strap worn 2 cm below the kneecap, over the tendon, to support your knee with every step.
In place of a bulky knee brace:
- Targeted support right below the kneecap
- One size, adjustable fit
- Non-slip silicone keeps it in place
- Compact and discreet
The goal is to support your knee without restricting its movement.
Arbxmbx provides extra support alongside your usual care β for stairs, grocery trips, and everyday walks.
4 Details. A More Stable Stride.
Arbxmbx is compact, but every part has a purpose:
Contoured Cushion
Fits right below the kneecap, over the tendon.
Non-Slip Silicone
Stays in place all day.
Stainless Steel Buckles
One size, easy to adjust.
Breathable Strap
Lets your skin breathe.
The result: stable, comfortable support for everyday use.
More Freedom, Every Day
Many people don't want a bulky knee brace.
They simply want to:
- Walk with more confidence
- Take the stairs without that sharp pain
- Stand for longer
- Go grocery shopping without asking for help
Arbxmbx is designed to make everyday movement easier, without restricting your knee.
It's compact and easy to adjust, supporting your knee right where it's needed: below the kneecap.
Feel the Difference
| Arbxmbx | Traditional Knee Braces | |
|---|---|---|
Knee Support |
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Support Below the Kneecap |
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Doesn't Compress the Entire Knee |
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Adjustable, One-Size Fit |
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Stays in Place |
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Compact and Discreet |
||
Often Rigid and Bulky |
AFTER 60, MORE REASONS TO KEEP MOVING
Take the stairs, enjoy walking again, and return to the activities you love. Arbxmbx provides targeted support below the kneecap to support your everyday movements.
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Rediscover the Joy of Walking
A walk in the park, a stroll downtown, or an outing with someone you love. Compact, adjustable support that goes with you on your walks.
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Get Back to the Activities You Love
Light exercise, a walk with friends, and your everyday habits. Arbxmbx adjusts to fit your leg and fits into your daily routine.
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Frequently Asked Questions
Can I wear Arbxmbx every day?
Yes. Arbxmbx is designed for everyday life: taking the stairs, grocery shopping, going for a walk, and standing for long periods.
Is it easy to adjust?
Yes. It has an adjustable, one-size fit. Tighten the strap through the stainless steel buckles so the cushion rests on the tendon, 2 cm below the kneecap.
Does it slip while walking?
No. The non-slip silicone cushion keeps it in place throughout the day.
Is it a knee brace?
No. A knee brace wraps around the entire knee. Arbxmbx is a compact strap that supports only the front area, directly below the kneecap, without compressing the rest of the knee.
Can I wear it on either knee?
Yes, it can be worn on either the right or left knee. This offer includes two straps: one for each knee.
Can I use it alongside my current treatment?
Yes. Arbxmbx provides additional support alongside your usual care. It does not replace medical treatment or your doctor's advice.
What if Arbxmbx isn't right for me?
You have 60 days to try it. If it isn't right for you, contact us through our Contact page, and we'll issue a refund.
Try Arbxmbx Risk-Free for 60 Days
Our Promise:
We believe in Arbxmbx, and we don't want you to spend a single dollar on something that isn't right for you. That's why every order comes with a 60-day money-back guarantee. If Arbxmbx isn't right for you for any reason, we'll refund your money.
Keep it only if you're happy with it.
What Our Customers Say About Us
4.8
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731 Reviews
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Mark R.
September 2026
Comfortable and easy to adjust. Much less bulky than I thought.
Arbxmbxβ’ | Adjustable infrapatellar strap
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Luke B.
September 2026
I use it mostly when I walk. So far, I'm finding it works well.
Arbxmbx Precision Band
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Andrew M.
September 2026
At first it took me a while to find the right setting, then everything was fine.
Arbxmbx Precision Band
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Steven C.
September 2026
Finally a brace that doesn't cover my whole knee.
Arbxmbx Precision Band
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Matthew F.
September 2026
I bought two because I have the problem in both knees.
Arbxmbx Precision Band
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Paul G.
September 2026
I carry it in my backpack when I go hiking in the mountains.
Arbxmbx Precision Band
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