Once the kite gets powered up is rocks front to back. Not deforming the kite, and you can feel it in the bar...
I have an 11 too and it doesn't do this....
I checked line lengths, tried different back line lengths but no change....
Ocean Rodeo Rise 12
Ozone C4 10
Slingshot Octane 7
Flysurfer speed 2 15 SA
Rollersurfer (for sale)
6\'2\" Slingshot SST
Slingshot fuse
Brokite 134 freeride
Ocean Rodeo mako 140