Dumina
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Dumina / Shafts

Shafts

Seven models across two lines, every one designed and built at our own factory in Korea. Select any model for full specifications.

autoFlex

Flex Line — ultra-light, the smoothest swing in golf

The shaft that broke golf's oldest formula in 2020. Light and soft, yet it adapts to swings far faster than its numbers suggest.

autoFlex Original
The Original

The original autoFlex feel, from driver to putter.

autoFlex Original
41–57g Driver · 170–220 CPMDriver · Wood · Hybrid · Iron · PutterPink · Rainbow · Yellow · Black
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autoFlex Dream7
Premium

A premium line for a soft swing and a distinct response at impact.

autoFlex Dream7
38–57g Driver · 155–220 CPMDriver · Wood · Utility · IronOrange · Black Orange · Pink · White · Green · Black Green
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autoFlex JOY365
Everyday

An autoFlex line centred on soft feel and everyday enjoyment.

autoFlex JOY365
37–59g Driver · 150–215 CPMDriver · Wood · UtilityPink · Blue · Yellow · Black Pink · Black Blue
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autoFlex Flex One
Accessible

Our softest shaft in one 39-gram driver specification. A simple introduction to autoFlex.

autoFlex Flex One
39g Driver · 165 CPMDriver · Putter
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The 2026 KLD long drive competition at Salt Bay
LONG DRIVE

Dumina goes long.

Discover the feel of autoFlex and Autopower in a dedicated long drive lineup. Explore four models and see the results from competition.

Explore long drive

Buying used or from abroad? Verify first.

autoFlex is one of the most counterfeited shafts in the world. Every genuine shaft carries a 12-digit engraved code — check it before you pay.

Verify genuine