We have updated our Privacy Policy. Please click here to review the updates.Accept

Looking for something else?



This item is available as a Blem/Refurb. These are items that cannot be sold as "New" merchandise and are limited to stock on hand. See the product details for a description of the product's condition.

Ships Free to Cycle Gear Stores!

Ship to an Address:
Please select a to view availability.


Pick-up in Store:
Cycle Gear Springfield Check Nearby Stores

The Cycle Gear Difference
  • 30-Day Best Price Guaranteed
  • Free Shipping Over $49
  • No-Hassle ReturnsView Details

Alpinestars SX-1 V2 Knee Protectors

The Alpinestars SX-1 V2 Knee Protector has one goal, to help reduce the risk and severity of a knee injury by preventing hypertension of the knee in the event of an accident. This lightweight yet incredibly strong knee protector features a poly-centric hinge system that allows natural movement of the knee. Constructed from a semi-rigid high performance polymer for superior levels of protection and flexibility. The highly ventilated padding allows for superb cooling. The Dual Strap System provides a secure fitment of the protector in all riding positions.


  • Extremely lightweight knee protection with a large protective area offers riders the most breathable and lightweight protective solution for all riding styles
  • Upper extended frame for increased thigh protection without compromising mobility
  • Perforated knee protector offers high levels of ventilation
  • Knee protector is backed by soft padding for an adaptive fit with breathable air mesh
  • Frames are asymmetrical and feature a slim, ergonomic design for comfort 
  • Hook and loop dual strap closure system with silicon pull tabs for easy in and out and a secure fit
  • Sold in pairs
Read More
Product Style Item # Store SKU Manufacturer Product # Availability
Product Style Black/Red / LG-XL Item # 1829623 Store SKU Manufacturer Product # 6506321-13-LXL Availability In Stock: Ships within 24 hours
Product Style Black/Red / SM-MD Item # 1829624 Store SKU Manufacturer Product # 6506321-13-S/M Availability Available: Requires 3-5 business days of lead time prior to shipment
Product Style Black/Red / 2XL Item # 1829625 Store SKU Manufacturer Product # 6506321-13-XXL Availability In Stock: Requires 1-2 business days of lead time prior to shipment