Comparing 2 boards

These two are a long way apart on volume, so they are not really alternatives to each other.

Christenson Surfboards Ultra Tracker

Ultra Tracker

Christenson Surfboards

Length
6'8"–8'0"
Volume
Shape
unknown
Fin setup
Single
Video
3 clips
Roberts Surfboards VLAD

VLAD

Roberts Surfboards

Length
5'4"–6'6"
Volume
Shape
unknown
Fin setup
Video
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Up to 4 boards at a time. Volume and length are the shaper's published ranges across all sizes of the model, not a single board.