The Rocket city links are $9.00 for a package of 25, that will replace all the links. No you do not need to replace the links, the TT links work just fine when installed properly I just like the Rocket City links, by the way they fit the Raptor rods just fine. Resizing the links is a very common thing that's why JR makes a ball link resizing tool. As for CCPM you do know that to get the best performance out of a CCPM control system you need high quality matched servo's speed, travel, centering all must be very accurate. To get this you will have to buy expensive digital servo's, you could easly spend $400 on servo's alone. You can use cheap servo's but it will defeat the purpose of having CCPM. That's why I don't consider CCPM a major selling point a hack like me wouldn't know what to do with all that precision. I wish you luck and just have fun with the heli.