CRAZY STF Crazy Synergy Thrust Fairway Wood SYNERGY THRUST Carbon Made in Japan For FW only Not sold individually Reshafting fee separate

The CRAZY STF SYNERGY THRUST is a high-performance shaft specifically designed for fairway woods, embodying two concepts: "synergy," which integrates multiple forces for a synergistic effect, and "thrust," which powerfully propels the ball.

Its construction caters to a wide range of golfers' needs, from a tip-to-mid flex model in the 50g range to a mid-flex, hard-spec model in the 70g range. By meticulously adjusting shaft rigidity and torque balance, it achieves both flexibility and excellent repulsion. The STF50 is ideal for mid-head speed golfers seeking a smooth swing, while the STF60/70 is perfect for competitive players who prioritize strong impact and control.

Manufactured entirely in Japan, its reliable quality is supported by sophisticated manufacturing techniques. It delivers both high launch and long distance, while also producing stable shots from the fairway. Golfers who struggle with woods or frequently mishit will particularly appreciate how the club's performance assists their swing.

Once you use it, you'll be amazed by its perfection—this is CRAZY's latest shaft exclusively for fairway woods.

Specifications:

STF Series (Carbon Shafts Exclusively for Fairway Woods)

・Length: 44 inches

・Tip Diameter: 8.5mm (.335)

・Made in Japan

▶ STF50《Tip-to-Mid Flex, Lightweight Model》

R (54g / Torque 3.5)

SR (54g / 3.5)

S (55g / 3.4)

SX (55g / 3.4)

Quick snap back, high launch, and excellent ball capture.

Lightweight and easy to swing through.

▶ STF60《Mid Flex, Standard Model》

S (66g / 3.6)

SX (66g / 3.5)

X (67g / 3.5)

XX (68g / 3.5)

3X (68g / 3.4)

Well-balanced mid-flex design.

Ideal for intermediate to advanced players seeking both distance and direction.

▶ STF70《Mid Flex, For Hard Hitters》

SX (73g / 2.6)

X (74g / 2.5)

XX (74g / 2.5)

3X (75g / 2.5)

Rigid and low torque prevent wobbling even with strong swings.

Best match for players with fast head speeds.

🛠 Common Features Across the Series

・FW-specific design for optimal balance for each club number

・High-precision Japanese quality

・Covers weights from 50g to 70g to suit play style and physical strength

➡ Covers all FW shots, from light and agile to heavy and powerful!

Your perfect shaft is here.

Points:

Shaft only, for reshafting only

Taylormade

PING G430 G425 G410

PING 2025 G440

COBRA DARKSPEED

COBRA 2025 DS-ADAPT

Srixon 2024 Zxi

Crazy Shaft

CRAZY STF

Synergy Thrust

SYNERGY THRUST

Fairway Wood Shaft

FW specific shaft

Golf Carbon Shaft

Shaft resistant to mishits

Lightweight High Launch Shaft

Made in Japan Golf Shaft

Mid-flex shaft

Tip-to-mid flex shaft

50g range shaft

60g range shaft

70g range shaft

Draw-bias shaft

Direction improvement shaft

Shaft stability

Anti-slice shaft

Shaft for 40s golfers

For average swing speed

Distance improvement shaft

Competitive golf FW specific

Fairway accuracy improvement