The 2026 Special Limited Edition of "AutoFlex," equipped with innovative technology from Dumina, which has revolutionized the world of golf, is now available.
The design, featuring a vibrant pink base with bold and distinctive graphics, delivers an overwhelming presence on the golf course and the joy of ownership.
As a special purchase bonus, all purchasers will receive a rare "AutoFlex Putter Shaft" not yet released in Japan, which thoroughly pursues impact stability and low vibration.
This is a premium production limited to only 2,026 units worldwide. Pre-orders and sales will end as soon as the planned quantity for each spec is reached, so please consider it early.
Product Name: AutoFlex Shaft 2026 Limited Edition
Type: Wood Shaft for Drivers
SF305x Spec: Weight 41g / Recommended Head Speed 31-40m/s / Recommended Balance C5-C9 / Limited to 383 units worldwide
SF405 Spec: Weight 45g / Recommended Head Speed 38-45m/s / Recommended Balance C8-D0 / Limited to 630 units worldwide
SF505 Spec: Weight 50g / Recommended Head Speed 42-47m/s / Recommended Balance D0-D1 / Limited to 630 units worldwide
SF505x Spec: Weight 55g / Recommended Head Speed 45-49m/s / Recommended Balance D1-D1.5 / Limited to 383 units worldwide
Bonus Putter Shaft: Weight 108g / 34 inches / Straight / TIP Outer Diameter 9.4mm
*Notes on Purchase
Regarding the bonus putter shaft
All customers who purchase this "AutoFlex 2026 Limited Edition" product will receive
an "AutoFlex Putter Shaft" as a bonus.
The bonus putter shaft is available in two colors: "Pink" and "Yellow."
Please be sure to confirm and select your desired color when ordering,
then proceed with the purchase.
Please note that color changes cannot be accepted after the order is confirmed.
Regarding colors
The color of the main body (driver shaft) is "Pink (1 type)" only.
Please note that it is not available in two colors like the putter shaft.
Acquiring this limited model is expected to improve golf performance, such as increased distance and improved flexibility. Furthermore, it is suitable for a wide range of players, including male golfers, female golfers, senior golfers, and beginners.
It is also effective in improving slices and hooks, and with enhanced head speed and the adoption of lightweight shafts, it is a shaft that can be used by long drive competitors and tour professionals.
It is also favored by professional golfers active in the PGA Tour, LPGA Tour, Senior Tour, etc., and its reputation as a shaft that delivers distance is growing.
As the latest model and with an unreleased bonus in Japan, it is attracting attention as a very rare item. Due to its limited quantity, we recommend pre-ordering it at Upside Golf Main Store, an authorized retailer.
