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Understand your shaft. Play your best golf.

Education is at the core of what we do. The more you understand about shaft technology, the better decisions you can make about your equipment.

Fitting Guide

What is CPM?

Most shafts use flex labels. AutoFlex uses frequency. Here's why CPM is the most accurate way to match a shaft to your swing.

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Technology

Why Lighter = More Distance

Counterintuitive but proven. The relationship between shaft weight, swing speed, and energy transfer at impact.

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Fitting Guide

Best Shaft for Seniors

Why lighter and more flexible isn't a compromise. A complete guide for golfers under 95 mph.

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Comparison

AutoFlex vs. Conventional

Launch monitor data from real fittings. What changes in ball speed, spin, and dispersion with KHT.

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Fitting Guide

SF305X vs SF405 vs SF505

A side-by-side breakdown of every SF Series model. Swing speed ranges, feel profiles, and fit.

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Technology

Inside KHT Carbon Layup

A rare look inside Dumina's South Korean facility — how proprietary prepreg is rolled, cured, and frequency-matched.

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Brand Story

Is AutoFlex a Brand?

AutoFlex is a shaft line, not a standalone company. Understanding the Dumina Golf shaft family — AutoFlex, AutoPower, and the company behind them.

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Comparison

Dream 7 vs SF Series

Head-to-head comparison of autoFlex's two flagship KHT lines. Weight, feel, launch, and which one fits your swing.

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Technology

Hybrid Shafts Explained

Why your utility club needs its own shaft — not a repurposed fairway wood shaft. How KHT works in a hybrid profile.

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Technology

Swing Weight Explained

What D0-D2 actually means, how swing weight differs from total weight, and why KHT performs best at lighter swing weights.

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OEM News

Titleist R&D Validates Snipe

Titleist R&D has validated the AutoPower Snipe for their premium custom shaft matrix — a major milestone for Korean KHT engineering.

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News

AutoPower Launch — TourSpec

TourSpec Golf covered the AutoPower Snipe & Flex launch. How these strategic KHT shafts bridge conventional and full KHT.

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Industry News

AutoFlex: The Benchmark

Kinetixx FlexurX compared to AutoFlex as the gold standard. What it means when competitors use your shaft as the reference.

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OEM News

Callaway Lists Dumina

Callaway Golf lists Dumina AutoFlex as a premium custom shaft option. A significant OEM endorsement of KHT technology.

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Tour Report

Yana Wilson's LPGA Setup

LPGA's No. 3 long hitter games Dumina AutoPower Snipe through her bag. Her full setup and why she chose KHT.

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Fitting Guide

First Dumina Fitting

What to expect at your first Dumina shaft fitting. From launch monitor setup to selecting between AutoFlex and AutoPower.

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Fitting Guide

Is Your Shaft Too Heavy?

3 signs your driver shaft is costing you distance. Most amateurs play 10-20g too heavy — here's how to know.

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Want a Pro Fitting?

Find a Dumina Dealer

Visit an authorized Dumina fitter to get professionally fitted for the right KHT shaft.