Due to some issues with my supplier,I have a pair of .56 kg springs for the Terra. I'm 235 lbs and was looking for a heavier spring and ended up with these.I installed them and checked my sag which increased 12mm with these springs,which was exactly opposite of what I wanted... The supplier is standing behind them and has ordered me a new set and I can either send them back or sell them and then settle up with him. These are custom springs wound for the Terra.Direct fit,no cutting spacers to fit them. Before I send them back I thought I would offer them here . I have about $140 invested in them and if I sell them I will need that much to purchase new ones,otherwise they go back.
Sorry I haven't shared this earlier, I have been wrestling with my girlfriend's DRZ400sm rear suspension. I did some more work on the forks recently and with them off the bike and no spring I noticed the RIGHT leg has both some compression AND rebound. Still the left should allow you to tune the compression from the fluid without affecting the rebound ( which is really dependent on the spring rate rather than the weight of the bike/rider). BTW I am 84kg(186lbs) and I put 7.5 weight in right and 5 in the left. I might go a little lighter yet.