[old_metal_head]

What is this?

"The ZERO POINT system which has 2 additional ･ springs in addition to the usual spring. Former double ･ locking ･ tremolo speedy chord exchange / the tuning which work outs dimension is possible with the function which center position (ZERO POINT) it tries probably to maintain tremolo ･ unit always. You adjust spring ･ tension, turning the wheel with the finger."

 

[LonePhantom]

It's the back of an S series Ibanez with the ZR tremelo I would guess from the url of the picture

 

[jem7vwh]

What is this?

"The ZERO POINT system which has 2 additional ･ springs in addition to the usual spring. Former double ･ locking ･ tremolo speedy chord exchange / the tuning which work outs dimension is possible with the function which center position (ZERO POINT) it tries probably to maintain tremolo ･ unit always. You adjust spring ･ tension, turning the wheel with the finger."

Looks to me like they're trying to incorporate the concept behind the Tremsetter in the ZeroRocker bridge.

 

[Shep]

it is a ZR..but it has the tremsetter thingo in the back of it..so it can be adjusted eazyer .i hav played one of these guitar's...there ok..