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About Alpinestars Bionic-10 Carbon Knee Brace - Left

Alpinestars Bionic-10 Carbon Knee Brace - Left

Constructed from an innovative advanced carbon polymer compound for improved strength and performance, the Bionic-10 Carbon Knee Brace helps reduce the risk and severity of injury by preventing excessive hypertension of the knee in an accident. Thanks to innovative engineering the Fluid Tech is ultra-lightweight and offers a highly customizable and secure fit, while affording improved directional movement of the knee articulation while riding.


• Structural hybrid frames are constructed from a composite over-injected with a high performance fiber reinforced polymer which provides optimal structural integrity and support while being ultra-lightweight.

• The asymmetric frame design ensures a wide range of unique leg shape compatibility and a perfect fit.

•Slim ergonomic design offers a high level of riding comfort during dynamic movement.

• The open structure and perforated areas promote maximum ventilation.

• Extremely stable slim-design 4-point hinge system perfectly follows the articulation of the knee.

• Hinge system incorporates easily exchangeable extension stops (0, 5, 10, 15, 20, 25 and 30 degrees) which reduces the risk of sustaining injuries to:

• The medial and lateral collateral ligament

• The anterior and posterior cruciate ligament

•The lateral and medial meniscus

• The Bionic-10 Carbon Knee Brace comes in 4 different sizes: S, M, L and XL/2XL for perfect fitment.


• Knee protector - EN 1621-1:2012 Level 1.


• New patent pending lightweight and highly ventilated double-wall knee-cup system offers strong impact force dispersion and absorption while ensuring maximum coverage area in all riding positions.

• The ergonomically sculptured triple segment knee cup is designed for flexibility and adaptivity and constructed from a double density polymer solution for high impact force dispersion on rigid external shell and energy absorption on semi-rigid internal shell structure.

• The knee cup is accurately secured in place by an innovative integrative mechanical guiding system that keeps the knee cup in correct position while providing controlled freedom of movement.

• The newly developed Calf Frame strap system holds braces perfectly in position and avoids slipping down when rider is in action and extreme movement.

• The two calf straps are linked with a semi-rigid C-shaped connector that dynamically shapes towards the dimension change of the calf muscle.

Details and sizing

Product sizing chart
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