The Golf Shaft Guide
The shaft is often called "the engine of the club" — and it's also the most misunderstood part of any fitting. Here's what actually matters when choosing one.
Flex Labels Are a Starting Point, Not an Answer
Ladies, Senior, Regular, Stiff, and Extra Stiff are industry conventions, not standardized measurements — a "Stiff" shaft from one manufacturer can play differently from another brand's "Stiff." Flex should be chosen based on how the shaft loads and releases through your specific transition and tempo, which is why flex alone should never be the only variable considered in a fitting.
| Flex | Typical Swing Speed (Driver) |
|---|---|
| Ladies (L) | Under 75 mph |
| Senior (A) | 75–85 mph |
| Regular (R) | 85–96 mph |
| Stiff (S) | 96–108 mph |
| Extra Stiff (X) | 108+ mph |
Reference ranges only — tempo, transition force, and release point matter as much as raw swing speed. This is exactly why we fit dynamically rather than reading off a chart.
Weight Changes Timing More Than Flex Does
Shaft weight influences how quickly you can load and release the club through the downswing. Lighter shafts (under 60g in drivers, under 100g in irons) generally help golfers with slower tempo generate more clubhead speed, but can reduce feel and control for faster-swinging players. Heavier shafts add stability and often tighten dispersion for stronger players, at some cost to raw speed.
Steel vs. Graphite
Steel shafts are heavier, more consistent from shaft to shaft, and typically preferred in irons and wedges by players who want maximum feedback and control. Graphite shafts are lighter, dampen vibration more, and are the standard choice in drivers, fairway woods, and hybrids where added clubhead speed matters more than raw feedback.
Graphite iron shafts have become increasingly popular for golfers seeking reduced impact vibration or looking to add swing speed without sacrificing too much control. Read our full comparison for a deeper breakdown.
Read: Steel vs. Graphite Shafts →Torque and Why It Matters More in Graphite
Torque measures a shaft's resistance to twisting during the swing, expressed in degrees. Lower torque shafts resist twisting and tend to suit faster, more aggressive swings; higher torque shafts flex and release more, which can help slower swings square the face through impact. Torque is far more relevant in graphite shafts than steel, since steel's construction naturally resists twisting already.
Where the Shaft Bends
Kick point (or bend point) describes where along the shaft the most flex occurs. A low kick point tends to promote a higher launch angle; a high kick point produces a lower, more penetrating ball flight. Kick point works alongside flex and weight — none of these variables should be considered in isolation, which is exactly why launch monitor testing beats spec-sheet guessing.
Find Your Shaft Through Real Testing
Every fitting session includes multiple shaft options tested with launch monitor data, so your final choice is based on your numbers — not a chart.