Product Description
SHIMANO 109XB PUSH LOW BUTTON SHAFT (TGT1552)
The Heart of the Two-Speed Shifting Mechanism
The Shimano 109XB Push Low Button Shaft (Part No. TGT1552) is a critical internal component of the two-speed shifting system in Shimano's premium Talica II series. This shaft is the internal mechanical link that responds when you press the shift button on the center of the handle.
When pushed, this shaft moves the internal gear selector crossbar to disengage the high-speed drive gear and engage the high-torque low-speed gear. Because it is part of the shifting assembly, it is subject to high mechanical stress during gear changes. If your reel is "stuck" in high gear or the shift button feels gritty or fails to lock into the "Low" position, this shaft may be bent, corroded, or salt-encrusted.
Product Specifications
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Part Name: Push Low Button Shaft (Push Button Shifter)
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Manufacturer: Shimano
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Part Number (MPN): 109XB
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Legacy Part Number: TGT1552
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Material: Stainless Steel / Precision Alloy
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Installation Position: Handle Assembly / Drive Shaft Center
Compatible Models
This part is engineered for the high-performance Talica II (2-Speed) series and its specialized variants.
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Shimano Talica II (2-Speed) Series:
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TAC 8 II, TAC 10 II
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TAC 12 II, TAC 16 II
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TAC 20 II, TAC 25 II
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TAC 50 II
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Specialized Models:
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TAC 20 II CAM / TAC 25 II CAM (Camo/Special Editions)
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Installation & Reference
To ensure this is the correct shifter shaft for your reel, please cross-reference the part number 109XB or the legacy code TGT1552 with your reel's service diagram.
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Schematic Diagrams: For detailed PDF schematics and part location verification, please visit www.reelschematic.com.
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Maintenance Note: This part was formerly indexed as TGT1552 but has been superseded by 109XB in modern Shimano parts databases.
Installation Tip:
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Avoid "Dry" Shifting: Always apply a thin coating of high-quality marine grease (like Shimano Permalub) to the shaft before installation. This prevents the "metal-on-metal" binding that often occurs in saltwater environments.
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Spring Alignment: This shaft works in conjunction with the Drive Shaft Spring. Ensure the spring is seated perfectly square against the shaft; if it is canted, the shifting button will feel "spongy" and may fail to fully engage the low gear teeth.
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Salt Prevention: Since the shifting button is an opening in the handle assembly, it is a primary entry point for saltwater. Regularly flushing this area with fresh water after use is the best way to prevent this shaft from seizing.
