Specifications:
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Model / Part Number: ZR2, Cosmo Black — 2TRX5AC001
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Design: Zero Resistance (ZR) style tremolo with ball-bearing pivot system
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Arm Type: Snap-in (pop-in / snap-out) arm (versus screw-in)
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Arm Torque Adjustment: Via torque adjustment cap to control tightness of the tremolo arm
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Zero Point System (ZPS / ZPS2): Built-in linkage / system to help the tremolo return accurately to neutral (stop rod / stopper mechanism)
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Knife Edges: Edge / pivot contact surfaces (knife edges) for smooth motion
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Fine Tuning / Saddles:
• Locking saddles with saddle lock bolts
• Intonation screws stored inside body and adjustable via 2 mm hex wrench -
String Stopper Bolts: Secure string in saddles / string holder block
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Spring System: Main springs + sub-spring for ZPS; adjustable spring tension via spring adjustment knob in rear cavity
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Stud / Action Adjustment: 3 mm hex key used for unit height (action) adjustment via stud bolts
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Use with / Compatibility: Part of Edge-Zero / ZR2 family tremolo bridges

![IBANEZ ZR2 - COSMO BLACK [2TRX5AC001]](https://guitarworkshop.sg/wp-content/uploads/2025/09/kcjzlxgs8ynibm5hsqzq.webp)



![Ibanez EDGE PRO2 TREMOLO UNIT [2EL1C211SN]](https://guitarworkshop.sg/wp-content/uploads/2025/09/images.jpeg)
