Shimano 21 Sustain 4000 FJX vs Shimano Spheros SW A 18000 HGX
The selected categories are different, score metrics vary from category to another.

Shimano 21 Sustain
Spinning
93.60 out of 100
Value for money5 out of 5
Quality classExcellent
Durability9.5 out of 10
Ergonomics6.08 out of 10
Gear ratio5:3:1
Maximum drag11kg / 24.25lbs
Weight275g / 9.7oz
Line retireve per crank87 centimeter / 34.25 inch
Ball bearings9
Technical Specifications
- BrandSHIMANO
- The main category of the reelSpinning
- Price range~ €215.33
- Is saltwater resistantYes
- Spare spoolNo
- Reel size4000 FJ
- Handle typeSingle handle
- Drag typeFront drag
- Handle orientationLeft, Right
- Line capacity monofilmm/meter: 180/1.8

Shimano Spheros SW A
Seafishing
59.10 out of 100
Value for money4 out of 5
Quality classGood
Durability8.56 out of 10
Ergonomics3.4 out of 10
Gear ratio5.7:1
Maximum drag18kg / 39.68lbs
Weight920g / 32.45oz
Line retireve per crank129 centimeter / 50.79 inch
Ball bearings4+1
Technical Specifications
- BrandSHIMANO
- The main category of the reelSeafishing
- Price range~ €169.33
- Is saltwater resistantYes
- Spare spoolNo
- Reel size18000 HG
- Handle typeSingle handle
- Drag typeFront drag
- Handle orientationLeft, Right
- Line capacity monofilmm/meter: 0.52/310
Conclusion
Shimano 21 Sustain 4000 FJX clearly outshines Shimano Spheros SW A 18000 HGX, offering significantly better performance in line retrieve per crank (87 centimeter / 34.25 inch) and gear ratio (5:3:1). While Shimano Spheros SW A 18000 HGX may be a budget-friendly option. For most anglers, Shimano 21 Sustain 4000 FJX is the kind of reel you can trust when performance matters.
What's the difference between Shimano 21 Sustain and Shimano Spheros SW A?
Shimano 21 Sustain 4000 FJX
- Thanks to its 6.33 out of 10 (5:3:1) gear ratio, the reel offers a strong balance between torque and quick retrieval
- With a score like 8.17 out of 10 (275g / 9,7oz), the reel feels light in the hand.. ideal for active techniques like twitching, jigging, or topwater.
- 8.2 out of 10 (87 centimeter / 34.25 inch) in line retrieve, means it picks up line fast, very handy when chasing quick fish
Shimano Spheros SW A 18000 HGX
- Scoring 8 out of 10 (4+1), the reel runs smooth under pressure
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