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RK-7 Plasma Knee Brace

The Alpinestars RK-7 PLASMA Knee Brace delivers high-level off-road support in a slim, ergonomic and lightweight design. Built around a fibre-reinforced asymmetric frame with a free-floating Nucleon PLASMA knee protector, the RK-7 provides advanced ligament support, impact protection, comfort and flexibility for MX, Enduro and off-road riding.


Key Features

• Slim-profile fibre reinforced asymmetric frame engineered for rigidity, comfort and mobility.
• Designed to reduce risk of injury to ACL, PCL, MCL, LCL and meniscus.
• Free-floating polyurethane knee cup backed with Nucleon PLASMA bio-based viscoelastic impact material.
• Upper and lower patella extensions ensure consistent protection throughout knee flexion or extension.
• Nucleon PLASMA construction is lightweight, flexible and highly ventilated.
• Slim, stable 4-point hinge system mirrors natural knee movement.
• Adjustable extension stops (0°, 5°, 10°, 15°, 20°, 25° and 30° included).
• Stainless steel hinge bushings with anti-oxidation treatment.
• Soft-touch thermoformed padding for secure, slip-free comfort (replaceable).
• Thermoformed condyle pads available in multiple thicknesses for personalised fit (replaceable).
• PLASMA-reinforced shin padding for added lower-leg protection.
• Padded non-slip X-strap system keeps brace firmly positioned during aggressive riding.
• X-strap design shaped to avoid pinching at full flex.
• High tensile-strength buckles with keyhole snap locking system.
• All straps and padding fully replaceable as spare parts.


Protection Certification

• CE Certified Knee Protector – EN 1621-1:2012 Level 1


Additional Details

• Sold as a pair
• Lightweight, breathable and extremely comfortable
• Suitable for MX, Enduro and Off-Road racing
• Offers strong knee support with reduced weight compared to the RK-10 Carbon model


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