Product Description
Hardy 1328991 HEUBSP01 Reel Back (Black)
The Hardy 1328991 Reel Back (Style No: HEUBSP01) is the primary structural frame for the Hardy Ultralite DD (Disc Drag) series. As the "chassis" of the reel, the reel back houses the main spindle, the disc drag assembly, and the spool release mechanism. It is the central component that ensures all internal parts remain perfectly aligned under the pressure of a running fish.
Precision-machined from 6061 bar-stock aluminum and finished with a deep black anodized coating, this frame is designed to be ultra-lightweight while maintaining the rigidity required for high-performance fly fishing. Replacing a damaged or bent reel back is essential for restoring the reel's structural integrity and ensuring the spool rotates without rubbing or catching.
Product Specifications
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Part Name: Reel Back / Main Frame
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Manufacturer Part Number (MPN): 1328991
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Hardy Style Number: HEUBSP01
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Material: 6061 Aerospace-grade bar-stock aluminum.
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Color: Anodized Black
Models This Part Fits
The 1328991 Reel Back is specifically designed for the black edition of the Hardy Ultralite DD series. It is a direct OEM fit for:
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Hardy Ultralite DD Black 3000
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Hardy Ultralite DD Black 4000
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Hardy Ultralite DD Black 5000
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Hardy Ultralite DD Black 6000
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Hardy Ultralite DD Black 7000
Technical Note: This part is the "skeleton" of the reel. When transferring parts from an old frame to a new one, pay close attention to the orientation of the drag clicker and the seating of the main spindle. You can find the full assembly sequence in the PDF schematics at www.reelschematic.com.
Key Features
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Extreme Strength-to-Weight Ratio: Engineered to minimize weight without compromising the structural stability needed for large trout and light saltwater species.
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Hard-Anodized Finish: The deep black finish provides superior scratch resistance and protection against corrosion in both freshwater and brackish environments.
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Precision Spindle Seat: Features a micro-toleranced housing for the main shaft, ensuring zero spool wobble and consistent drag pressure.
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Integrated Reel Foot Mount: Designed with reinforced pillars to provide a rock-solid connection to the reel foot (sold separately).
Maintenance & Lubrication
Because the reel back holds the most critical moving parts, protecting its internal surfaces and thread paths is vital for the longevity of the reel. We recommend Deuthlon high-performance lubricants:
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Frame Protection: Apply a very light wipe of Deuthlon Power Grease to the internal cavities of the frame where moisture tends to trap (such as behind the drag assembly). This prevents "pitting" corrosion.
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Thread & Pivot Care: Use a drop of Deuthlon Reel Gear Oil on the spindle threads and any mounting screws during installation. This ensures a waterproof seal and prevents the screws from seizing into the aluminum frame over time.

