The UST Mamiya ProForce V2 75 F4-S wood shaft weighs 2.68 oz (76 g) with 2.2° torque and is tuned for a mid launch / mid spin flight. For this particular weight/flex combination, it sits at the heavier side of its weight range and the lowest-torque end. Choose this variant when stability, control and a more substantial feel matter more than easy speed.
Wood shaft specifications
UST Mamiya · ProForce V2 75 F4-S · Wood Shaft
Material: GraphiteFlex: F4-SWeight class: Heavy (75-84.9 g)Flight: Mid launch / Mid spinUse: Driver / fairway wood
2.68 ozWeight
2.2°Torque
F4-SFlex
midLaunch
Wood-shaft benchmarks
How this shaft compares
Numeric comparisons use wood shafts in this database.
Weight
Very high
2.68 oz
Weight is very high among wood shafts in this database.
Torque
Very low
2.2°
Torque is very low among wood shafts in this database.
At a glance
Shaft profile
Launchmid
StabilityVery stable / low-twist
TempoMedium-fast to fast tempos
UseDriver / fairway wood
BiasControl / stability biased
Overview
Model information
| Manufacturer | UST Mamiya |
|---|---|
| Model | ProForce V2 75 F4-S |
| Category | Wood Shaft |
| Primary use | Driver / fairway wood |
| Catalog year | 2026 |
| SKU / code | US0139 |
| MPF rating | 4B2H |
Full specifications
Technical details
Weight & flex
Weight2.68 oz (76 g)
Weight classHeavy (75-84.9 g)
FlexF4-S
Torque2.2°
Bend pointmid/high
Kick pointMid/High
Tip stiffnessmed/firm
Build & dimensions
MaterialGraphite
Tip diameter0.335 in (8.5 mm)
Driver tip trim0 in
Flight & feel
Launchmid
Trajectory / spinMid launch / Mid spin
StabilityVery stable / low-twist
Launch assistanceNeutral launch
FeelFirm, highly stable graphite feel
Relative weightVery high among wood shafts
Relative torqueVery low among wood shafts
Player fit
Tempo fitMedium-fast to fast tempos
Transition fitFirm to aggressive transitions
Speed vs controlControl / stability biased
Driver playabilityStable driver profile
Fairway-wood playabilityStrong fairway-wood crossover
Golfer fit summaryControl / stability biased; medium-fast to fast tempos; mid launch / mid spin.
Related variants
How this version fits the lineup
Sibling comparisons use models from the same product line in this database.
Variant context
Product lineUST Mamiya ProForce V2
Position in lineupheavier side; firmest listed flex; mid launch / mid spin
Closest-version comparisonThis version sits at the heavier side of the range and on the lowest-torque end. It is heavier than ProForce V2 65 F5-X and lighter than ProForce V2 75 F5-X.
Why choose this variantChoose this variant when stability, control and a more substantial feel matter more than easy speed.