Spark R&D Hardboot Dual Height Wires clearance Features and Compatibility

Features and Compatibility

stronger binding from Spark R&D's original Surge bindings

Pro tip: 1

Because the Crispi NTN Evo also has tech inserts at the toe and heel

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Spark R&D Hardboot Dual Height Wires clearance Features and CompatibilitySpark R&D hardboot dual height wires will work with any other brands tech toe. These heel risers for hard booting are the best because you can adjust where the low and high risers make contact with the heel of your boot no matter what size boot you have. Climbing wires offer 12 and 18 angles for comfort on any skin track. The heel adapter screws right into your splitboard riser inserts and places your dual height wires right where they need to be,