Introduction to a Club Acquired in Japan: PRGR TR-X 370 DUO Driver 1W 10.5°

 

Club Overview

Detail	Specification
Manufacturer	PRGR (Pro Gear)
Model Name	TR-X 370 Dual Composite
Club Type	Driver
Loft Angle	10.5∘

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Key Features:

• The model name indicates a "Dual Composite" structure.

• The club face features an "∞" (infinity) mark, a common designation on early high-COR (Coefficient of Restitution) models. Search results suggest this model was marketed as a "non-conforming high-COR" club (though the "TR-X 370 DUO CFM" was a conforming model).

• The "370" likely signifies a head volume of around 370cc (cubic centimeters). (While the exact volume of the related model, "TR-X DUO 370," is unknown, this is inferred from other models in the line).

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Shaft Specifications

The label on the club's shaft confirms the following details:

Item	Spec Value	Notes
Shaft Model	050 TR-X	PRGR's original carbon shaft
Length	44.75 inches	(44.75in)
Head Speed (Flex)	M-40	PRGR's unique flex rating, generally equivalent to SR (Stiff Regular).
Shaft Weight (Wt)	50	Likely the shaft weight in grams (≈50g)
Torque (Tq)	4.5	Torque value
Kick Point (Kp)	M	Mid-Kick Point
Tip Diameter (Tip ϕ)	9.0	Tip diameter (≈9.0mm)

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Overall Characteristics (Supplemental Information from Search Results)

• This model is part of the PRGR "TR-X DUO 370" series.

• It incorporated innovative technologies for its time, such as a carbon crown.

• The M-40 flex and 44.75-inch length suggest the club was designed for a golfer with a slightly above-average swing speed (M-40 typically assumes a head speed of about 40m/s to 43m/s).

• This club is a historical artifact, emblematic of the high-COR era before the revision of the Rules of Golf.