Driver shaft · 2021 · discontinued

UST Mamiya LIN-Q M40X Blue

UST Mamiya LIN-Q M40X Blue (2021) is a graphite driver shaft. It launches mid-height with low spin. It weighs 64 to 76 g, comes in R, S and X, has a mid kick point and 4.1 to 4.9 degrees of torque. It is rated for swing speeds of 80 to 115 mph. It listed at $300 when it launched in 2021. It has been discontinued, so it is mostly a used-club buy now.

More from UST Mamiya or all driver shafts.

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Specs

UST Mamiya LIN-Q M40X Blue specs

Specs come from the FitMySwing catalog. Ratings out of 10 are our own.

UST Mamiya LIN-Q M40X Blue specifications
BrandUST Mamiya
Model year2021
StatusDiscontinued
Approx. launch price$300
MaterialGraphite
Weight64 to 76 g
Flex optionsR, S, X
Kick pointMid
Torque4.1 to 4.9°
LaunchMid
SpinLow
FeelMedium
Swing speed range80 to 115 mph
ProfileSmooth mid-launch LIN-Q profile with M40X stability.
Where to buy

No longer made: look for it used.

Buying used
  • Check the return policy before you buy.
  • Ask for photos of the face, crown and sole.
  • Fake heads and shafts exist. Be wary of prices far below the others and of sellers you do not know.
  • Shops that grade condition, like 2nd Swing and GlobalGolf, make returns easier.

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Sources

Where these specs come from

Verified. Two or more separate pages show this model exists, and its specs were read from a source page.

Specs read from ustmamiya.com

Model confirmed on drivingrangeheroes.com, golfwrx.com, ustmamiya.com

Fit profile

Where the fit profile comes from

3 of 5 fit values come from UST Mamiya or a published rule. The rest are our own ratings.

UST Mamiya LIN-Q M40X Blue fit profile and where each value comes from
LaunchmidUST Mamiya says “LIN-Q M40X Blue is designed for the golfer seeking a mid-launch and low spin.”
SpinlowUST Mamiya says “LIN-Q M40X Blue is designed for the golfer seeking a mid-launch and low spin.”
Kick pointmidOur rating
Swing speed, lower end80UST Mamiya says “R 80-95 200-240”
Swing speed, upper end115Our rating
Fit

Who the UST Mamiya LIN-Q M40X Blue suits

Good for
  • Golfers who swing between 80 and 115 mph.
  • A mid kick point sits in the middle for launch.
Think twice if
  • It is discontinued. Check the condition before you pay, and compare used prices.
Alternatives

Similar to the UST Mamiya LIN-Q M40X Blue

Picked from the catalog for a similar player and similar numbers, from more than one brand.

Questions

UST Mamiya LIN-Q M40X Blue: common questions

Who is the UST Mamiya LIN-Q M40X Blue for?

Golfers who swing between 80 and 115 mph. A mid kick point sits in the middle for launch.

How much does the UST Mamiya LIN-Q M40X Blue cost?

It listed at about $300 at launch in 2021. It has been discontinued, so the price you pay now depends on the used market.

What flexes does the UST Mamiya LIN-Q M40X Blue come in?

It comes in R, S and X. It is rated for swing speeds of 80 to 115 mph.

What are alternatives to the UST Mamiya LIN-Q M40X Blue?

Similar driver shafts in our catalog include the Aldila ROGUE ∞ (2025), the Fujikura Speeder NX Gold (2025), the Graphite Design Tour AD GC (2024) and the Graphite Design Tour AD EK (2026).

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