Alpinestars - Youth Bionic Action Knee Guard Options:One-Size They create a modern "cartridge

They create a modern "cartridge style" damping curve for these simpler fork designs

Its “no-leather” construction (topside construction in water-repellent Softshell fabric and the palm in Amara synthetic fiber) makes it a 100% vegan product

This Stage 2 kit is designed to replace the stock plastic air box intake cover

Front and rear tread patterns designed for all weather riding

Alpinestars - Youth Bionic Action Knee Guard Options:One-Size They create a modern "cartridgeWith ergonomically profiled protection held securely in position via a dual elasticated strap system, the Bionic Action Youth Knee Protector incorporates foam padding for rider comfort. The asymmetric and lightweight design ensures this knee protector provides optimal levels of comfort and freedom of movement.