Description
Tech Info
Size chart
2026 Spark R&D Surge ST Splitboard Bindings
The 2026 Spark R&D Surge ST bindings are built for splitboarders who ride fast, steep, and strong. With stiff, asymmetrical highbacks and beefy ankle straps, this is the binding trusted by backcountry hardchargers who want no-nonsense power and bulletproof durability in the most demanding terrain. If you want maximum control with minimal weight, the Surge ST is your ride-or-die.
Who are these bindings best for?
Riders tackling technical terrain and big mountain lines who need a stiffest abd supportive Spark binding.
Summary Chart
| Ability | Advanced – Expert |
| Flex | Stiff |
| Baseplate | CNC Machined Aluminum with ST Whammy Bar |
| Highback | Surge ST Asym Rip 'N' Flip with Tour/Ride FLAD |
| Ankle Strap | Pillow Line Surge ST |
| Toe Strap | Pillow Line Toe Cap |
| Touring Features | ST Brackets, ST Whammy Bar, Snap Ramp, T1 Heel Rest |
| Compatibility | Splitboards with puck mounting (pucks sold separately) |
| Warranty | 5-Year Manufacturer Warranty |
Flex
- Flex Rating – Medium-Stiff (built for powerful response and technical terrain)
Touring Features
- ST Touring Brackets – Overmolded thermoplastic bushings increase durability and reduce friction for smoother touring.
- ST Whammy Bar Climbing Wire – Built into the baseplate with overmolded contact points for smooth transitions between stowed, 12°, and 18° climbing positions.
- T1 Heel Rest – Holds the climbing wire in place and integrates with Spark's Step Locker system.
- Snap Ramps – Lock bindings onto pucks in ride mode with no pins or cables.
Baseplate
- CNC Machined Aluminum – Solid baseplate construction delivers unmatched stiffness, support, and durability in rugged conditions.
Highback
- Surge ST Asym Rip ‘N’ Flip Highback – Stiffer design with a high glass fiber content for maximum response and control in steep terrain.
- Tour/Ride FLAD – Tool-free forward lean adjuster toggles quickly between touring and riding modes.
Straps
- Pillow Line Ankle Strap – Wide, asymmetrical one-piece molded strap offers powerful support and pressure-free comfort.
- Pillow Line Toe Strap – Can be worn over the toe or across the boot; lightweight and waterproof.
Buckles
- Bomber Buckles – Time-tested Burton design for easy ratcheting and long-term reliability.
- Thermoplastic Ladders & Adjusters – Designed to maintain flex and function in sub-zero conditions.
Additional Features
- Puck Compatibility – Compatible with Spark Flat or Canted Pucks (sold separately).
- Includes – ST Brackets, T1 Heel Rests, Spark Pocket Tool, and mounting screws.
Size Chart
| Sizing | US Men's | US Women's | EU | Mondo |
|---|---|---|---|---|
| XS | <7 | <8 | <39 | <24.5 |
| S | 7–8.5 | 8–9.5 | 39–41 | 24.5–26 |
| M | 8.5–10.5 | 9.5–11.5 | 41–43 | 26–27.5 |
| L | 10.5+ | 11.5+ | 43+ | 27.5+ |
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