The UST Mamiya LIN-Q Powercore Blue 70 X-Stiff wood shaft weighs 2.75 oz (78 g) with 3.1° torque and is tuned for a mid launch / mid spin flight. In the wider lineup, it sits at the heaviest end of its weight range and the lower-torque side. Choose this variant when stability, control and a more substantial feel matter more than easy speed.
Wood shaft specifications
UST Mamiya · LIN-Q Powercore Blue 70 X-Stiff · Wood Shaft
Material: GraphiteFlex: X-StiffWeight class: Heavy (75-84.9 g)Flight: Mid launch / Mid spinUse: Driver / fairway wood
2.75 ozWeight
3.1°Torque
X-StiffFlex
midLaunch
Wood-shaft benchmarks
How this shaft compares
Numeric comparisons use wood shafts in this database.
Weight
Very high
2.75 oz
Weight is very high among wood shafts in this database.
Torque
Below average
3.1°
Torque is below average among wood shafts in this database.
At a glance
Shaft profile
Launchmid
StabilityStable / control-oriented
TempoMedium-fast to fast tempos
UseDriver / fairway wood
BiasControl / stability biased
Overview
Model information
| Manufacturer | UST Mamiya |
|---|---|
| Model | LIN-Q Powercore Blue 70 X-Stiff |
| Category | Wood Shaft |
| Primary use | Driver / fairway wood |
| Catalog year | 2026 |
| SKU / code | US0152 |
| MPF rating | 5B2M |
Full specifications
Technical details
Weight & flex
Weight2.75 oz (78 g)
Weight classHeavy (75-84.9 g)
FlexX-Stiff
Torque3.1°
Bend pointmid
Kick pointMid
Tip stiffnessmedium
Build & dimensions
MaterialGraphite
Tip diameter0.335 in (8.5 mm)
Driver tip trim0 in
Flight & feel
Launchmid
Trajectory / spinMid launch / Mid spin
StabilityStable / control-oriented
Launch assistanceNeutral launch
FeelStable graphite feel with controlled loading
Relative weightVery high among wood shafts
Relative torqueBelow average 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 LIN-Q PowerCore Blue
Position in lineupheaviest end; firmest listed flex; mid launch / mid spin
Closest-version comparisonThis version sits at the heaviest end of the range and on the lower-torque side. It is heavier than LIN-Q Powercore Blue 70 Stiff.
Why choose this variantChoose this variant when stability, control and a more substantial feel matter more than easy speed.