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Home / Fishing Gear Sets / Black King 25 Fishing Reel, J39 Large Gear, BL50, Shuangyu 30TB35TR Jian33 Iron Bull SY770 Rampart MPX45

Attributes

Brand -
Category Outdoor, Hiking, Camping & Travel Gear / Fishing Gear Sets
Origin -
Brand Shuangyu
Model Series Black King 25 / Iron Bull SY770
Gear Type J39 Large Gear System
Bearing Count 10+1 Corrosion Resistant Bearings
Max Drag 35 lbs (BL50 Specification)
Gear Ratio 5.2:1 High Torque
Line Capacity 300m / 0.40mm Monofilament
Weight 680g (24 oz)
Handle Position Interchangeable Left/Right
Compatibility Rampart MPX45 Rod Series

6 reviews

A

Anonymous

Mar 31, 2026

Rating: 4/5

Great value for offshore gear

For the price point, the features you get are amazing. The anti-reverse switch is crisp, and the line lay is very even. Took one star off because the handle knob could be slightly more ergonomic.

A

Anonymous

Mar 30, 2026

Rating: 5/5

Smooth operation under load

Used this off the coast for tuna fishing. The BL50 drag system is incredibly smooth even when fully tightened. No jerking or slipping, just consistent pressure.

A

Anonymous

Mar 29, 2026

Rating: 4/5

Solid build, slightly heavy

The construction quality is top-notch, feeling very much like the Iron Bull name suggests. It is a bit heavier than my previous reel, but the drag strength makes up for it during long battles.

A

Anonymous

Mar 22, 2026

Rating: 5/5

Perfect match for the MPX45

If you own the Rampart MPX45 rod, this is the reel to get. The balance is perfect, and the large gear ratio helps retrieve line quickly after a cast.

A

Anonymous

Mar 21, 2026

Rating: 5/5

Durability tested and approved

I've had this reel in saltwater conditions for three months now. A quick rinse after every trip and it still spins like new. The corrosion resistance on the bearings is legitimate.

A

Anonymous

Mar 13, 2026

Rating: 5/5

Absolute beast for big game fishing

I paired this Black King 25 with my Rampart rod and it handled a 40lb grouper without breaking a sweat. The J39 large gear provides incredible cranking power when you need to pull fish out of structure.

5 FAQ

Q: What type of line works best with the 30TB35TR capacity?

A: This model is optimized for braided lines between 50-80lb test or monofilament in the 0.40mm range for maximum casting distance and drag performance.

Q: How often should I lubricate the J39 gear system?

A: For regular saltwater use, we recommend a light external rinse after every trip and a full internal lubrication service every 6 months or 50 trips.

Q: Can I use this for freshwater pike fishing?

A: Absolutely. While designed for heavy-duty saltwater use, its robust drag and large gear make it excellent for targeting large freshwater species like pike or muskie.

Q: Is this reel suitable for left-handed users?

A: Yes, the Black King 25 features an interchangeable handle that can be easily switched from right to left orientation without tools.

Q: Does it come with a spare spool?

A: No, the standard package includes the reel, one pre-spooled main spool, and the user manual. Spare spools are sold separately.

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