If you go with the 120 Saito you'll most likely have to move your servo try back also. I said 120 because that's what DKflyer said he was going to use. I used the 150 , but the 120 & 150's weight are real close, if you used the 120 I would imagine you would have to do the same thing I did to keep from adding unnecessary weight to balance. Hope this clears that up. Let me know if you have any more questions. Rob
P.S. Here's a pic of it.