Alpinestars SX-1 Plasma Knee Guards — Black/Red/Cool Gray — L/XL · L/XL

• The SX-1 PLASMA features a Plasma Knee Protector embedded into a highly ventilated semi-rigid frame construction for superior impact protection, while the integrated Dual Gear System (DGS) promotes the natural articulation of the knee
• Key Features
• Nucleon PLASMA Protection: USDA Certified Biobased viscoelastic material offers multi-directional pliability and a custom fit, effectively dissipating impact energy
• Dual Density Co-Injected Frame: Engineered with scooped upper and lower extensions to eliminate pressure points and prevent the protector from digging into the skin
• Dual Gear System (DGS): Integrated gear profiles in the upper and lower frames ensure smooth hinge function and promote natural knee articulation
• Ergonomic Adaptive Fit: Sculpted frames feature strategically positioned rigid and flexible over-injected shells to accommodate a wide range of leg sizes securely
• Patella System Protection: Engineered to provide full coverage of the knee cup at all degrees of extension, with a rigid outer shell to prevent injuries from handlebar strikes
• Protection
• Lightweight knee protection with extensive protective coverage
• Upper and lower frames are constructed from high-performance polymer for optimized flexibility and strength
• Integrated dual pivot hinge system follows natural knee movement and maintains protector positioning while riding
• Slim ergonomic frame design for a low-profile fit
• Dual strap closure system with hook-and-loop and snap-fit buckles for a personalized, secure fit
• Construction
• Knee protector: EN 1621-1:2012 LEVEL 2

Color/Finish

Black, Red, Gray

Riding Style

ATV, Off-Road, Adventure Touring / Dual-Sport, UTV

Size Group

Adult

Units

Pair

Size

L/XL

Type

Knee

Base Color

Black, Red

Model

SX-1 Plasma

Shipping weight

2.5 lb

Package size

18 × 7.5 × 7 in

Country of origin

China

Salto part #

2704-0812

Alpinestars part #

6500326-1498-LXL

UPC

8059347566221

In stock at a distributor warehouse. Ships in 2–4 business days by ground.

Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.

Is it in stock?

Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.

How fast will it get to me?

Usually 2–4 business days by ground.

Will it fit my machine?

The distributor doesn’t publish a vehicle fitment list for this part. Call the counter at 801-361-3010 with your year, make and model and we’ll check it with you before you order.

Is this genuine Alpinestars?

Yes. It ships new from the same distributors the big online stores buy from — Alpinestars part #6500326-1498-LXL.