Alpinestars Bionic Plus Knee Guard pink Properly designed 2 stroke pipe

Properly designed 2 stroke pipe guards will protect exhaust pipes from power robbing dents and increases horsepower by elevating gas flow temperature

Backing/carrier plate manufactured from aerospace USA 6061 aluminum

Multi-density EPS polymer liner

Plug-N-Play™ quick disconnect for convenient tube removal

if you are looking for a single sided hinge

Alpinestars Bionic Plus Knee Guard pink Properly designed 2 stroke pipeWith ergonomically profiled Level 1 CE certified protection securely held in position via a dual strap closure system, the Bionic Plus Knee Protector incorporates 3D mesh and vented panels to prevent the build up of heat. With an asymmetric and lightweight design plus strategic flexion channeling, this knee protector provides high levels of freedom of movement and comfort. CE certified protection systems utilizing robust protective structures and