Spark R&D ST Bracket Kit Ski 5) and a flexible tongue

5) and a flexible tongue construction made of two different high-tech synthetics ensures an energy-saving

perfect for active movement

Reinforced with Dynex for added durability

Core: paulownia / mixed carbon & fiberglass added material: titanal reinforcement under the bindings

Spark R&D ST Bracket Kit Ski 5) and a flexible tongueST stands for Smooth Touring and that's what you get with our updated bracket. We overmold our custom plastic blend over and through the holes in the aluminum base, forming bushings that last four times longer than their previous brass version. Weight: 3. 28 oz pr (93g) ST Brackets are compatible with all Spark R&D Tesla, Tesla T1, Burton Hitchhiker bindings, & Nitro Vertical binding. The bracket is not compatible with Spark R&D Pin Mount bindings.