Alpinestars Bionic Flex Knee Protector, Motorcycle Knee Guard, Black, featuring a breathable stretch mesh sleeve, slip-on design with integrated impact padding and elasticated top strap for off-road riding

Bionic Flex Knee Protectors

motocross knee protectors

Regular price: €89,95

Size

Size guide

Color Black Red

Product variants

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Engineered for off-road riders, the Bionic Flex Knee Protectors are Alpinestars MX knee protectors delivering flexible, ventilated impact protection for motocross. Featuring highly perforated Nucleon Flex Technology protectors externally on a breathable stretch-mesh sleeve, they are CE-certified to EN 1621-1:2012 Level 1, with an elasticated top strap and silicone hems for secure positioning, improved ventilation, and unrestricted movement, plus an abrasion-resistant front panel and side foam padding.

Slip-on design with elasticated hems and silicone printing to minimize slippage and keep the protector correctly positioned during aggressive riding.
Nucleon Flex Technology protectors, highly perforated and externally mounted on the sleeve, promote constant airflow to help dissipate heat in off-road conditions.
Side foam padding increases lateral coverage for added impact cushioning around the knee.
Abrasion-resistant front panel enhances durability against roost and trail debris.

According to European statutory law, the CE mark is a conformity requirement for the marketing of this product.
Knee Protector — EN 1621-1:2012 Level 1.

Breathable soft‑touch stretch mesh sleeve chassis with elasticated hems and silicone printing.
Externally mounted, highly perforated Nucleon Flex Technology knee protectors.
Additional side foam padding integrated into the sleeve.
Abrasion‑resistant fabric front panel.
Elasticated top strap.
Asymmetric, lightweight protector layout.
Approximate weight: 580–600 g per pair (size dependent).