The motor-bracket mounted on the stern bracket. For extra support (to ward against twist) For stabilization (against twisting) the motor bracket has 2 support brackets.
For GRABNER kayaks from 2021:
TRAMPER
HOLIDAY 2
HOLIDAY 3
ESCAPE 1
ESCAPE 2
MEGA
RIVERSTAR
RIVERSTAR XXL
DETAILS
Motor-bracket with brace bar
Insert part with fixing screw
Remote throttle control unit clamp
2 Steering lines with protective sleeve an hooks
2 Foot-pedals
Uphaul with rope stopper
Weight: 2 kg