evo.com | Spark R&D Splitboard Bindings > When the objective points toward exposed faces and consequential terrain, the Spark R&D Surge ST Splitboard Bindings are ready to answer. Lightweight construction keeps the climb efficient, while the stiff, responsive design provides the support and control needed when every turn counts. Improved ST (Smooth Touring) Mode Spark injection molds a proprietary thermoplastic over existing aluminum or steel parts in a process called "overmolding," reducing friction and improving durabillity. Requires Pucks for Mounting in Ride Mode Spark Canted Pucks or Regular Pucks recommended (available to purchase separately) Surge ST Pillow Line Straps Ankle straps deliver a secure, supportive fit through a solid asymmetric design, for optimal comfort and control. Pillow Line straps are durable, waterproof, one-piece construction for all-day comfort so you can focus on the ride. CNC Machined Baseplates Machined cutouts for maximum weight savings. Ladders & Adjusters Produced with a unique custom blend of thermoplastics that maintain flex over a wide temperature range. Designed for use with a hard boot setup (but gaining favor with soft booters as well), the Spark R&D Canted Pucks feature oversize aluminum discs with 3 degrees of inward cant. Add some cant and save those knees! 3deg Canting (Inward Angle) A favorite among hardbooters. Your knees will thank you. Compatible with All Spark R&D and Other Brands' Puck Compatible Splitboard Bindings (Except K2 Kwicker) Aluminum Discs with Nylon Bases Discs Aluminum Nylon Bases | Spark R&D Surge ST Splitboard Bindings 2027 - Large Package (L) + Splitboard Hardware in Grey | Nylon/Aluminum/Plastic