Constantly pursuing performance and comfort demanded in the world of golf,
the SteelFiber i-series was born from the voices of PGA & LPGA players.
Its distinguishing feature lies in the unique performance achieved by fusing graphite and steel.
The design freedom and distance performance of graphite are combined with the stability of steel,
allowing players to experience a more stable swing and greater distance.
SteelFiber is incredibly thin,
with approximately 94 km of fiber wrapped around a single shaft.
Furthermore, being crafted by AEROTECH,
its quality and reliability are further enhanced.
AEROTECH, boasting a high usage rate in the American PGA & LPGA,
has become a part of True Temper Sports,
and with the addition of this new brand, it offers optimal shafts to a wide range of golfers.
The SteelFiber i-series provides golf enthusiasts with a new option,
serving as the "third choice" after Dynamic Gold and Project X.
"Iron combo sets" simply refer to a setup that combines different models of irons within a single set.
In the past, it was common to "match the same model from 5-iron to pitching wedge," but in recent years, even among tour pros,
"easy long- to mid-irons, and short irons focused on workability"
has become the mainstream approach.
1. Why are "combo sets" so popular?
There are mainly two reasons:
"Evolution of ball performance" and "Changes in green environments."
Increased difficulty of long irons
Modern golf balls have evolved to suppress spin to enhance distance performance.
As a result, with conventional muscle-back (01 series) long irons, even professional head speeds struggle to get the ball airborne, and there are increasing cases where insufficient spin makes it difficult for the ball to stop on the green.
Shift in role from "hitting far" to "stopping"
For professionals, long irons (4-5 irons) are not merely clubs for gaining distance.
They are clubs for aiming at the pin with a high trajectory and stopping the ball firmly on the green.
Therefore, for long- to mid-irons,
there is an increasing trend to combine highly forgiving models featuring thicker soles or hollow structures.
2. If building with PRGR? Recommended Combos
PRGR's 01-02 series actually offers a lineup that is very easy to configure into combo sets.
Classic Athlete Combo: 01 × 02
・4-6 iron: 02 IRON (easy to hit high and far)
・7-iron to PW: 01 IRON (focus on workability and feel)
Key Points
Since the flow is to combine the 01 7-iron (loft 32°) with the 02 6-iron (28°),
the loft progression is natural, and with minimal difference in feel, a seamless combo setting is possible.
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