Here's what other sites are saying:
The flexible climbing wires on the Switchback Binding brought a revolutionary performance to telemark skiers everywhere, but as that flexibility eliminates heel resistance, it unfortunately reduced the wire's breaking point. That's why Voile sells the Switchback Spring Cartridges in a set of four, so you have wires to spare throughout the seasons.
Voile Backcountry Skiing Switchback Spring Cartridges 60838R.
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