Driver shaft · 2025

UST Mamiya ATTAS RX ULTRA BLACK

The UST Mamiya ATTAS RX ULTRA BLACK is a graphite driver shaft from 2025. It weighs 44 to 75 g, comes in R, SR, S, SX and X, has a high kick point and 2.8 to 6.4 degrees of torque. It launches mid-height with moderate spin. It is rated for swing speeds of 70 to 115 mph. It launched in 2025.

More from UST Mamiya or all driver shafts.

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Answer six questions and see how the UST Mamiya ATTAS RX ULTRA BLACK ranks against everything else in the catalog for your numbers.

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Specs

UST Mamiya ATTAS RX ULTRA BLACK specs

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

UST Mamiya ATTAS RX ULTRA BLACK specifications
BrandUST Mamiya
Model year2025
StatusCurrent
MaterialGraphite
Weight44 to 75 g
Flex optionsR, SR, S, SX, X
Kick pointHigh
Torque2.8 to 6.4°
LaunchMid
SpinMid
FeelMedium
Swing speed range70 to 115 mph
ProfileJapan-market butt-kick ATTAS designed to be easy to time, with a handle-side balance point and T1100G full length.
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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.co.jp

Model confirmed on ustmamiya.co.jp

Fit profile

Where the fit profile comes from

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

UST Mamiya ATTAS RX ULTRA BLACK fit profile and where each value comes from
LaunchmidOur rating
SpinmidOur rating
Kick pointhighUST Mamiya says “キックポイント 4 R 44 6.4 8.50/.335 15.25/.600 1168/46 ハイ”
Swing speed window70-115 mphOur rating
Fit

Who the UST Mamiya ATTAS RX ULTRA BLACK suits

Good for
  • Golfers who swing between 70 and 115 mph.
  • A high kick point tends to launch the ball lower.
Alternatives

Similar to the UST Mamiya ATTAS RX ULTRA BLACK

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

Questions

UST Mamiya ATTAS RX ULTRA BLACK: common questions

Who is the UST Mamiya ATTAS RX ULTRA BLACK for?

Golfers who swing between 70 and 115 mph. A high kick point tends to launch the ball lower.

What flexes does the UST Mamiya ATTAS RX ULTRA BLACK come in?

It comes in R, SR, S, SX and X. It is rated for swing speeds of 70 to 115 mph.

What are alternatives to the UST Mamiya ATTAS RX ULTRA BLACK?

Similar driver shafts in our catalog include the Paderson KINETIXX FlexurX (2026), the Mitsubishi Chemical Kai'li Dark Waves Blue (2025), the Mitsubishi Chemical Kai'li Blue (2022) and the Project X Denali Frost Blue (2026).

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