Not my first choice as they tend to suck tone a bit in my opinion. Those work best with a whammy bar. Otherwise, its not too bad of an idea and certainly would work.
Sweet V Shane!
The part that kills sustain with roller bridges or roller nuts is when you do a bend. Because the string can roll over the roller saddle, it actuall makes the string longer, or pulls motionless string from behind the roller and throws it into the vibrating part of the string. This causes it to reduce the vibration because of the "dead" area of string that was introduced.
Same with Kahler wammys or any whammy with a roller bridge. When you dive your notes go dead pretty quick compared to a floyd. Thats because as you dive you introduce a bunch of motionless string into the already vibrating string thus killing the sustain. With a floyd, or locked bridge and nut, the string is always the same length, so to say. When you bend, it stretches the string, it doesnt pull dead string from behind a roller.
The reason TOMs work better than rollers IMHO is because there isnt as much dead string introduced with bends (because there is too much friction over the saddle for them to slip easily) so they have better tone and sustain
that V is sick, thanks for the info guys if i can find that ridge in black I may go for it.
The way you fix a kahler is to put longer set screws in the saddles and raise them up.. (thus creating more of a break angle and more tension on the roller like the TOM) This comes from Neal Moser... now.. you either have to design your guitar for this, or increase your neck angle on a bolt on.. but.. it works.. the increased string angle over the roller also gets rid of that dreaded kahley "G" string wonk after returning from a dive.
I have the part number somewhere from McMaster for the set screws... its only about 1/4 inch... but it makes a HUGE difference.
The Hamer G has a Kahler fixed bridge on it... and it has no tuning or sustain problems whatsoever though! (but its a fixed bridge!)
I agree, they kill sustain on bends too.
Although I loves me Kahlers like the PRS in my avatar but shes a high gain beast. And who needs sustain when you play 1000 notes a second? :