Fortius 55 Strive Mizuno

Name: Mizuno Fortius 55 Strive
Brand: Mizuno
SKU: 01M45VYAPGBHM0CVP1D1AR9JP6

Badminton· Fortius

RR ScoreUpdated on 2026-10-05

Version · 11 optionsFortius 55 StriveChange

The Mizuno Fortius 55 Strive is a badminton racket in the 4U class with a G5 handle. The Reinforced AeroBox Frame reduces drag and maintains the structural integrity of the box-type frame, for a faster swing. The High Foam System uses EVA foam inside the frame, which absorbs the shock of the shuttle and adds power. The Revolutionary Titanium T-Joint reduces twisting on off-center shots, and the ultra-thin 6 mm shaft completes the package.

Key specs

Full specs

Weight class: 4U
Balance point: More head weight
Flexibility: Stiff
Length: 675 mm
Grip: G5

LevelsAdvanced, Competitive

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Price history

Not enough price history yet.

Strengths and watch-outs

Pros

Reinforced AeroBox Frame reduces drag and speeds up the swing
High Foam System absorbs shock and adds power
Ultra-thin 6 mm shaft gives quick response

Cons

6 mm shaft demands correct stroke technique
4U weight demands a firm arm in long matches

Levels: Advanced, Competitive

Specs

Dimensions
Weight class	4U	Medium confidence
Balance point	More head weight	Medium confidence
Length	675 mm	Medium confidence

Construction
Flexibility	Stiff	Medium confidence
Frame material	No data	Medium confidence
Shaft material	No data	Medium confidence
Maximum tension	No data	Medium confidence
Grip	G5	Medium confidence

Profile
Level	No data	Medium confidence

How the RR Score was calculated

Criterion	Weight	Score
Specs	65%	55
Approval from players	35%	65

The RR Score is not yet a precise figure. It summarizes the data we have today (specs and reviews) and changes as more information comes in. A low score does not mean the racquet is bad and does not reflect its technical quality: often it is just missing data or reviews. The specs combine several sources and may have discrepancies: check the manufacturer's website and the store where you buy.