Alpinestars Bionic Plus Knee Protectors suspension-fork-seals-wipers the outside bearing is now

the outside bearing is now protected from damging water entry

2011-2012 Kawasaki JT1500 Ultra 300 LX

S641 - PistonPin 20mm x 1

2017-2021 Kawasaki ZR900 Z900 ABS

Mounts to 2008-up models with stock Harley lower legs

Alpinestars Bionic Plus Knee Protectors suspension-fork-seals-wipers the outside bearing is nowKnee protector EN 1621 1: 2012 Level 1. CE certified protection systems utilizing robust protective structures and impact absorption padding. Highly ergonomic design improves streamlining while providing crucial protection for MX and off road riding. Asymmetrical and lightweight ergonomic panel construction offers extended protection surfaces to reduce rotation. Double strap closure system on knee protectors specially designed to offer more comfort