Round out your ZigZag SRT climbing gear with the Petzl Knee Ascent System. Designed to work with the ZigZag when used on a single rope, the Knee Ascent System helps you climb more efficiently with the attached Croll rope clamp and adjustable lower strap. Choose either a foot loop bottom strap or a clip-style bottom strap.

Weight: 1.05lbs

Accepted Rope Diameters: 8mm to 13mm

• Includes XS Petzl Toolbag for gear storage!!
• Upper strap, attached Croll rope clamp, and adjustable lower strap
• Climb faster and easier