1. Dual elasticated strap closure system is designed specifically to hold the protector securely in the riding position while maintaining comfort, addressing the common problem of single-strap knee guards that rotate or slip during riding
2. Asymmetric and lightweight design provides extended protection coverage while reducing rotation risk and maintaining freedom of movement
3. At £32.99, this is an accessible entry to CE Level 1 certified Alpinestars knee protection for riders who want solid protection without a significant investment
1. Strap-on design, while convenient, provides less security of fit than a sleeve-integrated knee protector for riders who engage in intense physical activity with high leg movement
2. CE Level 1 is the lighter certification standard; riders in more aggressive off-road environments or those needing Level 2 certification should look at the Bionic Flex or Bionic Plus line
3. Foam padding provides comfort but is the basic material option compared to the Nucleon Flex or Nucleon Plasma technologies in higher-tier Alpinestars protectors
Not every rider needs the most sophisticated knee protection technology available, and not every ride justifies the investment of premium protection. The Alpinestars Bionic Action Knee Protector positions itself clearly: CE Level 1 certified knee protection with a well-considered practical design at an accessible price that makes proper knee protection achievable for riders at any budget level.
The protector is held in position via a dual elasticated strap system, with the two-strap design specifically engineered to provide better security and stability than single-strap alternatives. A single strap creates a pivot point that allows the protector to rotate around the knee during movement; the dual strap arrangement distributes the securing force across more of the knee area, keeping the protector in the correct protective position throughout the range of riding body positions and leg movements.
The protection shell is asymmetric, following the natural contour of the knee rather than presenting a symmetrical panel that forces a left-right choice of fit. The asymmetric design extends the coverage surface in the directions that provide additional protection from a wider range of impact angles, while the lightweight construction keeps the overall weight of the protector at a level that doesn’t fatigue the leg during long riding sessions. Robust protective structures and impact absorption padding provide the certified impact performance.
A vented outer shell and 3D mesh material on the contact surface combine to prevent heat build-up against the knee during riding, maintaining tactile contact with the skin without creating the sweating and overheating that solid, unventilated shells generate. Foam padding behind the protector shell provides comfort against the knee cap and surrounding area.
The Bionic Action Knee Protector is for MX, trail, and off-road riders who want CE Level 1 certified knee protection at an accessible price point, and who prefer the simplicity of a strap-on protector to a sleeve or integrated solution. It suits riders who prioritise straightforward fit, proven protection, and low cost over the more sophisticated protector technologies available at higher price points.
– CE Level 1: EN 1621-1:2012 Level 1
– Dual elasticated strap closure for secure, comfortable positioning
– Asymmetric and lightweight design for extended coverage and reduced rotation
– Vented outer shell for airflow and heat management
– 3D mesh contact material for comfort against skin
– Foam comfort padding behind protection shell
– Ergonomic, streamlined profile for MX and off-road riding
The Bionic Action Knee Protector at £32.99 is proper CE Level 1 knee protection from Alpinestars at the most accessible price in the range. The dual-strap design, asymmetric construction, and vented shell make it a well-considered entry-level option for riders who want certified protection without the premium spend.
The Bionic Action Knee Protector is a solid, well-priced CE Level 1 knee protector that does the basics well: secure dual-strap fit, asymmetric lightweight design, vented shell, and foam comfort padding. At £32.99, it’s an accessible and capable choice for riders wanting certified Alpinestars knee protection at an entry price point.
1. Dual elasticated strap closure system is designed specifically to hold the protector securely in the riding position while maintaining comfort, addressing the common problem of single-strap knee guards that rotate or slip during riding
2. Asymmetric and lightweight design provides extended protection coverage while reducing rotation risk and maintaining freedom of movement
3. At £32.99, this is an accessible entry to CE Level 1 certified Alpinestars knee protection for riders who want solid protection without a significant investment
1. Strap-on design, while convenient, provides less security of fit than a sleeve-integrated knee protector for riders who engage in intense physical activity with high leg movement
2. CE Level 1 is the lighter certification standard; riders in more aggressive off-road environments or those needing Level 2 certification should look at the Bionic Flex or Bionic Plus line
3. Foam padding provides comfort but is the basic material option compared to the Nucleon Flex or Nucleon Plasma technologies in higher-tier Alpinestars protectors