Key Features:

• Materials - Grade 8.8 Steel
• Ratchets - Magnesium
• Heelcup - Extruded 3D Aluminum
• Disk Cover - Non-Stick HP EVA
• Bushing - Multi-Density Thermoformed EVA
• Adjustability - Tool-less strap adjustment, highback rotation
• Forward Lean - Tool-less adjustment
• Canting - Yes
• Mounting System - Camber Disk, 2x4, 4x4, Channel
• Flex - 7

In-depth Tech Specs:

• Force Duraflex ST Highback -The perfect balance of flex and response for all types of riding. The Force Duraflex ST highback is a time-tested classic and favourite of Union pro rider Chris Grenier.
• Exoframe 4.0 Ankle Strap - Exframe 4.0 ankle straps provide a secure and locked-in ride feel. Lightweight, super durable and a team and shop favourite.
• 2.0 Rhombus Toe Strap - Multi-Positional options and thermoplastic anti-slip material keep you locked in and on point. The TS 2.0 Rhombus toe strap is compatible with all boot brands and models.
• Multi-Density Thermoformed EVA - Muli-Density Thermoformed EVA padding saves your heels and promotes a true and even board flex.
• Stage 4 Duraflex ST Baseplate - Quick edge-to-edge power and a locked-in ride feel. The Stage 4 Duraflex ST baseplate is Union's go-to for anything and everything you can throw at it - cliffs, powder, side hits, double blacks... This all-mountain destroyer can handle it all.