Use this transducer mount to attach Humminbird Mega Side Imaging transducers that come with the Helix Gen3 range to the bottom of your Vibe kayak.
These are made from 3mm ABS plastic and come with both the mounting plate and cover. The sonar, downscan and sidescan is able to shoot through these covers while it sits nice and protected.
This fits the following transducers.
This fits the following kayaks