
If you bring your skis into a shop to get the bases and edges tuned and say nothing, they may likely use 1 degree edge bevels on both the sides and base. It’s kind of a shop default for routine work. A “one & one” works great for rental skis and is the most durable bevel.
Okay, so what should we ask for? For anyone but serious racers, the base bevel should probably always be just 1 degree. This setting provides the best performance with reasonable forgiveness and lack of “grabbyness”.
On the other hand, the side bevel angle can be varied to create a more or less acute and sharp edge. The main advantage of a higher angle or sharper edge is better grip on hard pack or icy snow. The main disadvantage of going too sharp is less durability of the edge. The sharper it is, the faster it will wear down. World Cup racers with side edges up to 5 degrees claim they can feel the edges go dull from the start to the finish of a single race.
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