Alpinestars Youth Bionic Plus Knee Protectors Size:Small/Medium the 180 is time-tested in

the 180 is time-tested in quality and performance

In the case of a crash the derailleur hanger is designed to fail before causing damage to the bike frame or the derailleur

The adapter makes it compatible with all Bakcou fat tire electric bike batteries

while the waterproof dry seat insert

Slip-resistant sole: Ice/snow traction dominance

Alpinestars Youth Bionic Plus Knee Protectors Size:Small/Medium the 180 is time-tested inWith 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.