It looks like we don't have any community posts for this product right now — Got relevant content to contribute?

About Alpinestars SX-1 Plasma Knee Protector

Alpinestars SX-1 Plasma Knee Protector

Move naturally through motocross and off-road riding with the SX-1 Plasma Knee Protector, combining Nucleon PLASMA impact protection with a ventilated frame and Dual Gear System (DGS) that follows knee movement while keeping protection positioned.

Warning:  California Proposition 65

Details and sizing

Product sizing chart
Get Real Into It.

Sign up for the latest scoop on the products that matter in the motorcycle community.

PureMoto Network

Top brands and retailers together helping you locate and buy motorcycle products.

Search Nearby Retailers

See what is in stock at your local retailer. Put it on hold for pickup today.

Have it Delivered

We find it in stock and deliver to you from the nearest source.

PureMoto Influencers

As seen on Youtube Dirt N' Iron and Bike Builds with Aaron Colton.