The Voile Crampon for Speed Rail features the bombproof T6 tempered aluminium body you’ve come to expect, with the addition of an improved rotating puck design. Easily attach the Speed Rail Crampon – and switch between Free and Locked modes – without ever taking your boot out of the binding. Locking the crampon to your binding is achieved by applying pressure to the rotating puck’s extended nylon tab.
The fixed mode is recommended for high exposure and where security in each step is essential.
The mobile mode is for more moderate ascents and will increase energy efficiency by decreasing drag of the crampon on each step. A rotating puck holds the crampon to the binding for the mobile mode.