Hi, i have no Core Kites, but found this on their hp https://store.corekites.com/products/re ... r-core-xr5
D1 has 64 cm and E1has 150 cm for the 13.5 qm ( same as XR6)
btw B2 & A1 will shrink bc of the pulleys. Lines always tend to shrink never stretch.
To get the line plan of B2, A1 send Core a message, they will help you with the length.
Before you can measure the left vs right bridle, also check the CIT - position of B2 at the LE left to right.
You can also try to change left with right bridle, if the kite is now steering to the other side it`s the bridle. If not check the kite for a twisted front tube, lay the pumped kite on a flat surface and look for an asymmetry
If you need a new bridle set check the delivery costs to brasil, i wonder if deniska could give you some information about this theme...
If the costs are too high, splice yourself the new bridle
Hope it helps