The Mitsubishi Chemical Diamana BB Hy 90 .370 Stiff is heavier than average for hybrid shafts at 3.28 oz (93 g), while its 2.7° torque is on the lower side. Its mid launch / mid spin profile and stable / control-oriented character make it best suited to medium or medium-fast tempos. Compared with its closest siblings, this version sits on the heavier side of the related weight range and a lower-torque position.
Hybrid shaft specifications
Mitsubishi Chemical · Diamana BB Hy 90 .370 Stiff · Hybrid Shaft
Material: GraphiteFlex: StiffWeight class: Heavy (85-99.9 g)Flight: Mid launch / Mid spinTip: Parallel tip
3.28 ozWeight
2.7°Torque
StiffFlex
MidLaunch
Hybrid-shaft benchmarks
How this shaft compares
Numeric comparisons use hybrid shafts in this database.
Low1.41 oz
This model3.28 oz
Average2.79 oz
High3.84 oz
Weight is above average among hybrid shafts in this database.
Low2°
This model2.7°
Average3.15°
High5°
Torque is below average among hybrid shafts in this database.
At a glance
Shaft profile
LaunchMid
StabilityStable / control-oriented
Tempo fitBest suited to medium or medium-fast tempos
TipParallel tip
Utility fitGood hybrid / utility crossover fit
Overview
Model information
| Manufacturer |
Mitsubishi Chemical |
| Model |
Diamana BB Hy 90 .370 Stiff |
| Category |
Hybrid Shaft |
| Catalog year |
2026 |
| SKU / code |
MR0128 |
| MPF rating |
4B2H |
Full specifications
Technical details
Weight & flex
Weight3.28 oz (93 g)
Weight classHeavy (85-99.9 g)
FlexStiff
Torque2.7°
Bend pointmid/high
Kick pointMid/High
Tip stiffnessmed/firm
Build & dimensions
MaterialGraphite
Tip typeParallel tip
Tip diameter0.37 in (9.4 mm)
Club useHybrid / utility
Flight & feel
LaunchMid
Trajectory / spin profileMid launch / Mid spin
Stability profileStable / control-oriented
Launch assistanceNeutral launch assistance
Feel profileVibration-damping graphite feel, stable through impact
Relative weight positionAbove average among hybrid shafts
Relative torque positionBelow average among hybrid shafts
Player fit
Tempo fitBest suited to medium or medium-fast tempos
Transition fitSuited to moderate-to-firm transitions
Control vs speed biasBalanced speed and control
Fairway / rough playabilityNeutral launch profile
Utility-iron suitabilityGood hybrid / utility crossover fit
Likely swing-speed fitModerate-fast to fast hybrid swings
Golfer fit summaryBalanced speed and control; best suited to medium or medium-fast tempos; mid launch / mid spin.
Same-family context
How this variant fits the family
Sibling comparisons use shafts from the same product family in this database.
Variant context
FamilyMitsubishi Diamana BB Hybrid
Family positionHeavier family option; mid-range flex; neutral-flight role
Family comparisonIt sits on the heavier side of the family and on the lower-torque side of the family. It is heavier than Diamana BB Hy 80 .370 X and lighter than Diamana BB Hy 90 .370 X.
Why choose this variantChoose this middle-of-family variant for a more balanced blend of speed, launch and stability.