Mizuno’s 3-year rapid fire driver development project culminated in the creation of their new ST line of drivers.  Preceded by the highly acclaimed ST190 and ST200, the new ST-X 220 Driver deploys Mizuno’s new forged SAT2041 Beta Ti face and complex carbon construction to deliver potent ball speeds and a satisfying sensation at impact. Developed for the automotive industry to withstand strong forces, SAT2041 has 17% more tensile strength and 8% more flexibility than traditional 6-4Ti.  Mizuno concluded that the aforementioned properties of SAT2041 lend themselves perfectly to the development of their new Beta Ti face, which is both faster and more durable than drivers using the more common 6-4, Alpha Beta Ti face construction.

With its 20 gram heel biased back weight and higher spin rate, the draw-biased ST-X suits moderate swing speed golfers seeking a right to left, or slice-correcting ball flight. Stock shaft offerings include Mitsubishi’s mid-launching TENSEI AV RAW Blue, ALDILA’s mid-launching ASCENT Red, and ALDILA’s high-launching ASCENT Ultralight.

Mizuno ST-X 220 Driver Features:

  • Rounded 460cc head (higher launch, mid-spin)
  • X-Axis design with weight deep in the heel for a higher, draw-biased flight
  • 40% Larger carbon sole area, thinned titanium portion and large rear weight for exceptional stability and forgiveness on mis-hits
  • Highly resilient forged SAT2041 Beta Ti face delivers high ball speeds and distance
  • Multi-thickness CORTECH face maximizes performance of the Beta Ti face, noticeably improving ball speeds
  • Optimized Wave Sole adds ball speed, especially low on the face
  • Harmonic Impact Research identifies and isolates vibration patterns for “solid” feel and sound at impact
  • Quick Switch Hosel with 4° of loft adjustability to fine-tune launch and trajectory
  • Available Lofts – 9.5° (Adjustable 7.5 °to 11.5°) & 10.5° (Adjustable 8.5 °to 12.5°)
  • Stock Shafts: ALDILA ASCENT UL 40 • ALDILA ASCENT Red 50 • Mitsubishi TENSEI AV RAW Blue 65
  • Stock Grip: Lamkin ST Hybrid 360 60R
  • Authorized Mizuno Retailer


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