Thinking your golf clubs might be too short for you? It's a more common issue than you might think, and learning how to extend a golf shaft is a project you can tackle right in your own garage. It’s a satisfying piece of DIY club work that can dramatically improve your posture, comfort, and consistency over the ball. This guide will walk you through everything, from the tools you’ll need to the exact steps for extending a shaft, plus some important considerations like how it affects the feel of your club.
The standard length of off-the-rack golf clubs is designed to fit a golfer of average height - typically around 5’9” for men. If you’re taller than, say, 6’0”, chances are you have to hunch over more than you should to address the ball properly. This can cause a whole host of problems in your golf swing.
Properly fitted club length is fundamental to good posture. When your clubs are the right length, you can stand in a more upright, athletic position. This helps you:
If you've noticed that you have to bend your knees excessively or slouch your back to reach the ball, or if your shots are consistently thin or pushed to the right, your shafts might be too short. Extending them by just a half-inch to an inch can make a world of difference.
Before you get started, let’s gather the supplies. Having everything ready to go will make the process much smoother. You can find most of these items online or at a specialty golf components store.
Got all your gear? Great. Let’s walk through the process one step at a time. We'll use an iron as our example here. The process is the same for woods and hybrids, just make sure you’re using the correct shaft extension.
First, you need to remove the old grip. Start by securing the club in your bench vise using the rubber shaft clamp. Tighten the vise just enough to hold the club firmly without slipping.
Using your hook blade or utility knife, carefully cut the grip from the bottom opening up toward the butt end of the club. Always cut away from your body. Grips can be tough, so take your time. Once sliced, peel the old grip off. Next, you'll need to remove the old grip tape. This can be tedious. I find that a little bit of heat from a heat gun or hairdryer helps soften the adhesive. Use your scraper or knife to remove the tape, and then clean any remaining residue off the shaft with grip solvent or mineral spirits. You want the butt end of the shaft to be perfectly clean.
Now for the main event. Take your shaft extension and check the fit. It should fit snugly into the butt end of your shaft. If it's a little too tight, you can lightly sand the sides of the extension until it slides in smoothly. Don't force it.
Next, you’ll mix your epoxy. Follow the directions on the package, which usually involves mixing equal parts of the two compounds on a piece of scrap cardboard. Mix small batches at a time, as it begins to cure quickly. Use a dowel or a long nail to thoroughly mix it for about a minute until it’s a uniform color.
Apply a thin, even layer of epoxy to the part of the extension that will be inserted into the shaft. Then, use a small stick to apply a little epoxy just inside the butt end of the shaft itself. This ensures a strong bond on both surfaces.
With an even coat of epoxy, gently push the extension into the butt end of the shaft with a slight twisting motion. Push it all the way in until it bottoms out. Use a paper towel to wipe away any excess epoxy that squeezes out. Stand the club upright with the head on the ground in a corner and let the epoxy cure completely. This is very important! It usually takes 24 hours for the epoxy to reach its maximum strength, but check the manufacturer’s instructions to be sure.
Once the epoxy is fully cured, it’s time to cut the club to your desired length. Let's say you wanted to add one inch to your 5-iron that was originally 38 inches long. Your target length is now 39 inches.
To measure the club’s playing length correctly, place the club in the address position on the floor and put a yardstick or long ruler behind it. The end of the ruler should touch the floor, angled up with the club’s sole lying flat. Measure from the floor up to the very top edge of the grip cap (or in this case, the butt end of the extension). Mark your target length on the extension with a fine-point marker.
Secure the shaft back in your vise, using the rubber clamp on the shaft itself (not on the extension). Using your hacksaw or pipe cutter, carefully cut the extension at your mark. Try to make the cut as straight and clean as possible.
The final step is to install your new grip. This is a skill every golfer should learn.
One final, important note: extending a golf club will change its swing weight. Swing weight is essentially a measure of how heavy the club head feels when you swing it. Adding length to the shaft (and thus moving your hands further from the head) increases the swing weight, making the head feel heavier.
A typical iron is about a D2 swing weight. Adding a one-inch extension can raise that by about 6 swing-weight points, moving it to D8, which is noticeably heavier for most players. For some, this added feel can be a good thing. For others, it might make the club feel sluggish or unwieldy.
If you find that the club feels too head-heavy after extending it, you can add a counterweight to the butt end of the shaft (underneath the grip) to bring the feel back into balance. This is a more advanced adjustment, but it’s good to be aware that simply adding length is only part of the puzzle. The feel of the club is just as important.
Extending your own golf shafts is a straightforward home project that allows you to customize your clubs for a better fit, unlocking a more comfortable and consistent golf game. By following these steps carefully, you can perfectly tailor your equipment to your body and swing.
While getting your equipment fine-tuned is a huge part of improving, understanding how to use those clubs in different situations is just as vital. Making the right decision on the course provides the confidence you need for any shot, and that is where we help you on your golf journey. We built Caddie AI to act as an on-demand golf expert in your pocket, ready to offer strategic advice or answer any question about golf when you need it most, 24/7.
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