How hard is V4 boulder?
How hard is V4 boulder? Subjectively V4 is the grade where the climbing starts to require good technique but not really any specialized strength. Outdoors it could take about 3–5 years to reach the point where you are comfortable climbing but outdoors is much harder, in the gym I would say about 2 years.
What is a V17 boulder?
Hueco Grade System (V-Scale) Although it is open-ended, the range of the scale so far is V0 - V17, meaning that the most difficult bouldering surface climbed so far was rated V17. There are levels that are lower/easier than V0 on the scale, which are designated with a VB which could mean either V-basic or V-beginner.