evo.com | Spark R&D Splitboard Bindings > If flowing turns and playful lines are the goal, the Spark R&D Arc ST Splitboard Bindings deliver. Their lightweight construction keeps uphill missions efficient, while the forgiving flex adds the freedom to slash, smear, and surf through glades and soft snow with ease. 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) Arc ST Pillow Line Straps Ankle straps deliver weight savings and flexibility through a smaller footprint and flex window for maximum agility. 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 Arc ST Splitboard Bindings 2027 - Medium Package (M) + Splitboard Hardware in Black | Nylon/Aluminum/Plastic