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Certified Grain Scale On Site Lubbock, TX Est. 2017
(806) 555-0179
Shaft Weight Lab South Plains Shaft Mass Studio
Lubbock, Texas · Est. 2017

Your Tempo Reads the Grams, Not the Flex Letter.

Two shafts can share the same flex code and the same torque rating and still feel like completely different clubs the second you start your transition — because the number that actually shapes timing is total shaft mass, and almost nobody measures it on its own. Shaft Weight Lab isolates that one variable, weighs it on a certified bench scale, and builds your set around the grams your transition actually wants.

Bench Readout Weighing
Driver
61g
3-Wood
72g
Hybrid
86g
4-Iron
106g
PW
121g
Transition LoadModerate-High
Weight Step Rate+3.5g / iron
9,800+Shafts Weighed
0.1gScale Precision
4.9 / 5Client Rating
8 YrsOn the Bench
The Full Set

Every Club Gets Weighed, Not Just Flexed

We start with a raw mass reading on every shaft in your bag, then build the rest of the fitting around that number — head, grip, and length all get chosen to hit a target total weight, not the other way around.

D

Driver Fitting

We test a spread of shaft weight classes at your same flex and loft to find the mass that lets you load and release on time, every swing.

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F

Fairway Wood Fitting

Fairway shafts get weighed against your driver shaft so the step-down in mass feels intentional, not accidental.

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H

Hybrid Fitting

Hybrid shaft mass gets slotted into your weight ladder so the club doesn't feel like a foreign object between your woods and irons.

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I

Iron Fitting

We build a gram-for-gram weight progression across the whole set instead of relying on length alone to create the step between clubs.

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W

Wedge Fitting

Wedge shaft weight gets checked against your irons so full, three-quarter, and short-side swings all keep the same feel of load.

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P

Putter Fitting

Head weight, shaft weight, and counterbalance are measured together to find a total mass that holds a repeatable stroke tempo.

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Why Grams, Not Just Flex

Same Flex Code, Two Very Different Feels

A "Stiff" 65-gram driver shaft and a "Stiff" 75-gram driver shaft can carry an identical flex letter and a nearly identical torque rating, yet load and release at noticeably different points in your downswing. Flex and torque describe how a shaft bends. Weight describes how much effort your transition has to spend moving it — and that number gets almost no attention on a standard fitting cart.

Read the Shaft Weight Guide
Flex-Only Match, Untimed ReleaseCommon
Gram-Matched Set, On-Time ReleaseTarget
Transition Timing Consistency94%
Weight Step Consistency97%
The Bench Process

From First Weigh-In to a Finished Ladder

Baseline Weigh-In

Every shaft currently in your bag goes on the scale first, bare and stripped of grip tape, so we have a real starting number for each club.

Tempo Mapping

We log your transition and release timing on camera across a range of shaft weights to find where your swing loads the shaft most consistently.

Weight Ladder Build

We chart a target weight for every club in the bag, stepping mass gradually from driver to wedges instead of leaving it to chance.

Bench Verification

Finished clubs are re-weighed on the same scale used for your fitting, confirming every build landed within a gram of its target.

From the Bench

What Clients Notice First

★★★★★

Nobody had ever weighed my shafts before, just checked the flex sticker. Ten grams lighter in the irons and my transition finally feels like it's on time.

RG
Randy G.Iron Fitting
★★★★★

Lubbock wind is no joke and I always assumed I just needed a stiffer shaft. Turns out I needed a heavier one. Completely different ball flight in the gusts now.

CP
Colton P.Driver Fitting
★★★★★

The weight ladder chart alone was worth the visit. My whole bag finally steps up in mass the same way club to club instead of jumping around.

JM
Julia M.Full Bag Assessment

Read more client notes →

Shaft Wall

Every Major Shaft Manufacturer, Weighed the Same Way

We're not built around one manufacturer's weight class labels — every shaft on our wall gets the same bare-shaft weigh-in before it goes anywhere near your fitting numbers.

KB
KBS Iron & Wedge Shafts
MC
Mitsubishi Chemical Graphite Wood Shafts
PX
Project X Steel Iron Shafts
TT
True Temper Steel Iron & Wedge Shafts

See our full shaft lineup →

Curious What Your Own Shaft Weight Should Be?

Sessions run 60–90 minutes and include a printed weight ladder for your whole bag. Fitting fees are credited toward any build done in our shop.