Shimano Aero BB 4000X vs Shimano Spheros SW A 20000 PGX

The selected categories are different, score metrics vary from category to another.

Shimano Aero BB

Spinning

39.80 out of 100

Value for money2 out of 5

Quality classLow

Durability3 out of 10

Ergonomics6.03 out of 10

Gear ratio4.7:1

Maximum drag10kg / 22.05lbs

Weight290g / 10.23oz

Line retireve per crank75 centimeter / 29.53 inch

Ball bearings3+1

Technical Specifications

BrandSHIMANO
The main category of the reelSpinning
Price range~ €61.33
Is saltwater resistantNo
Spare spoolNo
Reel size4000
Handle typeSingle handle
Drag typeFront drag
Handle orientationLeft, Right
Line capacity monofilmm/meter: 0.3/180

Shimano Spheros SW A

Seafishing

67.40 out of 100

Value for money4 out of 5

Quality classGood

Durability8.56 out of 10

Ergonomics3.4 out of 10

Gear ratio4.4:1

Maximum drag18kg / 39.68lbs

Weight930g / 32.8oz

Line retireve per crank104 centimeter / 40.94 inch

Ball bearings4+1

Technical Specifications

BrandSHIMANO
The main category of the reelSeafishing
Price range~ €169.33
Is saltwater resistantYes
Spare spoolNo
Reel size20000 PG
Handle typeSingle handle
Drag typeFront drag
Handle orientationLeft, Right
Line capacity monofilmm/meter: 0.52/310

Conclusion

Shimano Spheros SW A 20000 PGX clearly outshines Shimano Aero BB 4000X, offering significantly better performance in durability (8.56 out of 10) and gear ratio (4.4:1). While Shimano Aero BB 4000X may be a budget-friendly option. For most anglers, Shimano Spheros SW A 20000 PGX is the kind of reel you can trust when performance matters.

What's the difference between Shimano Aero BB and Shimano Spheros SW A?

Shimano Aero BB 4000X

With a score like 8.07 out of 10 (290g / 10,23oz), the reel feels light in the hand.. ideal for active techniques like twitching, jigging, or topwater.
When it comes to retrieve speed, a score of 5.71 out of 10 (75 centimeter / 29.53 inch) means slower line pickup, great when you need more control for slower fishing styles

Shimano Spheros SW A 20000 PGX

Scoring 8.4 out of 10 (4.4:1), this reel offers a faster line retrieval, making it a good option for chasing pelagics or (and in practice useful for to quickly reset)
Built tough for the salt, ideal for seafishing.
Solid value at €169.33, reliable and great performance, it’s a smart choice for a variety of seafishing fishing needs