Autoflex · Original · SF · 2026
Autoflex Original
The original ultralight (~41–55g). A very active, whippy profile built to add clubhead speed across SF305x–SF505x — feel is everything and it is not for everyone.
Who it's for
Players chasing speed from an ultralight, ultra-active profile.
Profile your current shaft →The eight-dimension profile
Launch
5/5 · very low → very high
Spin
4/5 · very low → very high
Tip stiffness
1/5 · active / soft → stout / boardy
Mid stiffness
2/5 · soft → firm
Handle stiffness
1/5 · soft → firm
Balance
5/5 · tip-heavy → counterbalanced
Feel
5/5 · boardy → buttery
Stability
1/5 · whippy → rock-solid
Relative 1–5 fitting characteristics for comparison across the database — directional, not OEM lab numbers. Torque is approximate at ~6S.
Specification
- Weights
- 40 / 50 g
- Flexes
- SF405 / SF505 / SF505x
- Torque
- 4.5°
- Street price
- $700
- Length
- 45"
- Weight range
- ~41–55g
- Tip · butt
- 0.335" · undefined
- Launch · spin
- Very High · Mid-High
Against the 69-shaft field
higher than 95% of the database
higher than 95% of the database
more stable than 2% of the database
lower than 8% of the database
Closest alternatives
Nearest by weighted profile distance — the same engine the finder uses.
Where to buy
2nd Swing Golf →Affiliate link — we may earn a commission.