ALPINESTARS RK-1 PLASMA KNEE BRACE SMALL/MEDIUM

ALPINESTARS RK-1 PLASMA KNEE BRACE

Engineered for serious off-road riders, the Alpinestars RK-1 PLASMA Knee Brace delivers premium knee support without compromising comfort or mobility. Designed with an innovative hybrid frame and advanced Nucleon PLASMA impact protection, the RK-1 provides outstanding stability, ventilation, and flexibility for motocross, enduro, and adventure riding.

Its lightweight construction, ergonomic fit, and four-point hinge system work naturally with the movement of your knee, helping reduce the risk of ligament injuries while maintaining unrestricted control on the bike. Replaceable knee cups, customizable padding, and adjustable extension stops ensure a personalized fit for every rider. Sold as a pair.

Key Features

• Lightweight hybrid frame for maximum support and comfort
• Advanced Nucleon PLASMA viscoelastic knee protector
• Four-point hinge system follows natural knee movement
• Adjustable extension stops (0°–30°)
• Triple-segment replaceable knee cups for enhanced impact protection
• Self-centering knee cup with extended patella coverage
• Breathable, highly ventilated design for all-day comfort
• Soft thermoformed padding with interchangeable thickness options
• Four non-slip adjustable straps for a secure fit
• Durable high-strength buckles with quick-lock system
• Replaceable padding and components for extended product life
• CE Certified Knee Protector (EN 1621-1:2012 Level 1)
• Sold as a Pair

Perfect For

• Motocross (MX)
• Enduro
• Trail Riding
• Adventure Touring
• Off-Road Racing

Ride harder. Ride longer. Protect what matters with the Alpinestars RK-1 PLASMA Knee Brace.