Nübrace Power Boost replacement springs – Red – M + L

Nübrace Power Boost replacement springs – Red – M + L

$49.95
/
Size chart

To find the right size, measure the circumference of your leg just above the knee. If you're unsure which size to choose, opt for the larger size.                                                                                                                       

Brace Size

 

Leg Circumference 

measured 5 inches (12.5 cm) above the knee

S

14-16 inches / 36-40 cm

M

15.5-19 inches / 39-48 cm

Fits individuals up to 5'7" (1.75m)

L

18.5-21 inches / 47-53 cm

Fits individuals up to 6'2" (1.90m)

XL

20-23.5 inches / 51-59 cm
HSA / FSA Eligible
Free Shipping in the USA

Free Shipping in the USA

90-Day Money-Back Guarantee

90 Day Money-Back Guarantee

Nubrace power boost  spring. Soft resistance/support. 

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Patella-Tracking Design

Patella-Tracking Design

Aligns and Supports Your Movement: The open-kneecap structure relieves pressure on the patella while guiding proper alignment—ideal for pain reduction, enhanced mobility, and active recovery.

Dynamic Side Stabilization

Dynamic Side Stabilization

Natural Movement, Zero Twisting: Lateral spring support mimics your knee’s motion while preventing misalignment during activity or recovery.

No-Slip Fit Technology

No-Slip Fit Technology

Stay Active, Stay Comfortable: Silicone-coated inner lining keeps your brace perfectly positioned—no bunching, no sliding, just breathable all-day wear.

Muscle-Boosting Support

Muscle-Boosting Support

Feel Stronger with Every Step: Power-assisted springs reduce joint load and activate supporting muscles, promoting strength and resilience over time.

How Nübrace can benefit you

Exceptional Knee Support

A new standard in dynamic knee support, providing stability and reducing the risk of injury during various physical activities.

Reduce Weight Pressure

The weight pressure reduction allows for better mobility and reduced pain, enabling you to perform at your best without discomfort.

Enhanced Power and Agility

Our PowerBoost™ technology will give you improved physical capabilities, increased endurance and contribute to your independent mobility.

Built for Movement, Designed for Strength

Whether you're staying active, recovering from injury, or managing joint pain, the Nübrace PowerBoost™ Active Knee Brace is engineered to support and strengthen your knees with every step. Its innovative spring-assisted system doesn’t just stabilize—it amplifies your natural movement by storing and releasing energy, helping you walk, climb, and exercise with greater ease and confidence.

  • Essential for Aging Knees: Regain confidence and comfort in daily movement with support that reduces pressure and helps restore joint strength over time.
  • Reliable for Injury Recovery: Ideal for ACL, MCL, or meniscus recovery—stabilize the knee and offload stress to support safe, progressive healing.
  • Powerful for Active Performance:  Maximize every rep, stride, or sprint with added joint support and energy return that enhances strength and endurance.

Features

LIGHTWEIGHT & LOW PROFILE

Semi-rigid lightweight + highly-supportive brace that helps with pain relief and support for various moderate to major instabilities and conditions.

ADJUSTABLE

Anti-Migration Straps for adjustable precision fit.

RANGE OF MOTION

Brace has a fluid feel and natural range of motion via Bi-Lateral aluminum dual axis geared hinges.

RECOVER FASTER

Provides relief for hyper-extended knees, dislocated kneecaps, ACL injuries, and MCL injuries.

Explore More

FAQs

The right support force/ boost power depends on your individual needs and physical condition. If uncertain, it's advisable to consult with a healthcare professional to determine the appropriate support force to aid in your mobility or recovery.

The duration you can wear the Active Knee Brace may vary based on your comfort and the recommendation of your healthcare provider. However, it's designed for extended wear during day-to-day activities and sports.

To choose your size, measure the circumference of your knee 10cm above the kneecap and refer to our sizing chart provided on the product page or packaging.

Yes, the Active Knee Brace is designed to fit both the right and left legs, providing you with flexibility and ease of use.

The Active Knee Brace is suitable for a wide range of activities including walking, running, climbing, skiing, snowboarding, basketball, and other physical activities that require knee support and power boost.

First place the brace on a flat surface hold the top and bottom plastic holders.
Gently pull to release the spring.
Next Slide the spring out of the middle holder and pull it free from the bottom hole
Down slide the straps off the spring and remember their position for reinstallation
Take the new spring and slide the straps back on.
Now insert the spring into the bottom hole then the upper holder.
Finally click it securely into the middle holder.
That's it your brace is ready to power up your movement again.