Shimano 21 Sustain 2500 FJX vs Shimano Aero BB 4000X

Shimano 21 Sustain
Spinning
90.40 out of 100
Value for money5 out of 5
Quality classExcellent
Durability9.5 out of 10
Ergonomics6.3 out of 10
Gear ratio5:3:1
Maximum drag9kg / 19.84lbs
Weight210g / 7.41oz
Line retireve per crank78 centimeter / 30.71 inch
Ball bearings9
Technical Specifications
- BrandSHIMANO
- The main category of the reelSpinning
- Price range~ €209.33
- Is saltwater resistantYes
- Spare spoolNo
- Reel size2500 FJ
- Handle typeSingle handle
- Drag typeFront drag
- Handle orientationLeft, Right
- Line capacity monofilmm/meter: 240/2.4

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
Conclusion
Shimano 21 Sustain 2500 FJX clearly outshines Shimano Aero BB 4000X, offering significantly better performance in durability (9.5 out of 10) and total score (9.04 out of 10). While Shimano Aero BB 4000X may be a budget-friendly option. For most anglers, Shimano 21 Sustain 2500 FJX is the kind of reel you can trust when performance matters.
What's the difference between Shimano 21 Sustain and Shimano Aero BB?
Shimano 21 Sustain 2500 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
- Saltwater-safe design makes it perfect for spinning conditions.
- Exceptional value at €209.33, this reel offers impressive performance for the price, making it a top pick for serious spinning anglers and pros
Shimano Aero BB 4000X
- The reel scores 7 out of 10 (3+1) in bearings, offering smooth performance for regular use with no issues
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