KBS TGI Graphite 80 .370 Stiff Iron Shaft Specs

The KBS TGI Graphite 80 .370 Stiff is heavier than average for graphite iron shafts at 2.82 oz (80 g), while its 2° torque is on the lower side. Its mid launch / mid spin flight profile and very stable / low-twist character make it best suited to medium or medium-fast tempos.
Iron shaft specifications
KBS · TGI Graphite 80 .370 Stiff · Iron Shaft
Material: GraphiteFlex: StiffWeight class: Mid-light (80-99.9 g)Flight: Mid launch / Mid spinTip: Parallel tip
2.82 ozWeight
Torque
StiffFlex
MidLaunch
Material-matched benchmarks

How this shaft compares

Numeric comparisons use graphite iron shafts in this database.

Weight

Above average

2.82 oz
Low1.55 oz
This model2.82 oz
Average2.72 oz
High4.5 oz

Weight is above average among graphite iron shafts in this database.

Torque

Very low

Low1.2°
This model
Average3.52°
High6.1°

Torque is very low among graphite iron shafts with published numeric torque.

Balance point

Very low

50.5%
Low50.5%
This model50.5%
Average50.5%
High50.5%

Balance point is very low among comparable graphite iron shafts.

At a glance

Shaft profile

MaterialGraphite
TipParallel tip
LaunchMid
SpinMid
StabilityVery stable / low-twist
Tempo fitBest suited to medium or medium-fast tempos
Overview

Model information

Manufacturer KBS
Model TGI Graphite 80 .370 Stiff
Category Iron Shaft
Catalog year 2026
SKU / code FS0054
MPF rating 4B2H
Full specifications

Technical details

Weight & flex

Weight2.82 oz (80 g)
Weight classMid-light (80-99.9 g)
FlexStiff
Torque
Bend pointmid
Kick pointMid
Tip stiffnessmed/firm
Tip flexfirm
Butt flexmedium-firm
Balance point50.5%

Build & dimensions

MaterialGraphite
Tip typeParallel tip
Tip diameter0.37 in (9.4 mm)
Butt diameter0.6 in (15.2 mm)
Shaft length41 in (104.1 cm)
Length rangeSingle-length blank; tip-trim by club
Parallel tip length5.5 in (14 cm)
Club rangeIrons, typically 3i-PW (trimmed from parallel blank)
FinishPainted composite / graphite finish (varies by model)

Flight & feel

LaunchMid
SpinMid
Trajectory / spin profileMid launch / Mid spin
Stability profileVery stable / low-twist
Launch assistanceNeutral launch assistance
Feel profileVibration-damping graphite feel, very firm/stable through impact
Relative weight positionTypical for graphite iron shafts
Relative torque positionVery low for graphite iron shafts

Player fit

Tempo fitBest suited to medium or medium-fast tempos
Transition fitSuited to moderate-to-firm transitions
Control vs speed biasBalanced speed and control
Long-iron playabilityGood long-iron playability
Short-iron controlGood short-iron control
Likely swing-speed fitModerate-fast to fast iron swings
Target playerModerate swing speeds seeking lighter weight with balanced launch and control
Golfer fit summaryBalanced speed and control; best suited to medium or medium-fast tempos; mid launch / mid spin.

Ernie

Ernie loves documenting interesting facts about golf.

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