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Review: Sun Mountain Sync Cart Bag and Speed Cart GT



The symbiotic, bag-cart relationship of the Sun Mountain Sync and the Speed Cart GT push cart should be helpful to golfers, if they think at all like I do. Since I gave up carrying my bag to spare my shoulders, hips and back, I alternate between a push cart for a healthy walk and a riding cart for more social occasions. Golfers typically purchase a bag from one company, a cart from another, and wonder why they don’t mesh perfectly.

Sun Mountain offers a simplified alternative to this frustrating conundrum. The opportunity to review this combined strapless bag and two-step push cart was enticing. Let’s have a look.

Pros: Eight pockets and 15 club slots in the Sync provide storage for everything you need, from valuables to golf balls, tees and markers to your clubs. The lightweight and easy-to-stow Speed Cart GT unfolds in two steps with two simple latches to unclasp-clasp. Both pieces offer the same color accents, creating a balanced and attractive aesthetic (if that’s your thing.)

Cons: The Sync bag retails for $220, while the Speed Cart GT lists for $210. It’s a serious commitment to a system, but isn’t commitment to a system what usually defines success? Hold off on a new one for a year or two on buying that new driver, and shift that expense to this cart-bag partnership.

Who’re They For: This combo appeals to the golfer who flexes between a good walk, unspoiled, and a ride around the course. Carrying golfers need not apply, until their shoulders and back begin to ache and they need a solution.


Over the years, cart-only bags have earned a reputation as unwieldy (think Al Czervik in Caddyshack) and bulky. The 2017 version from Sun Mountain has the sturdiness one needs in a cart bag, but none of the girth. Ample storage means that you can bring all the swag you need, and stash it in a secure space.

Recent experience with push cart reviews often left me confused as to which latch should unhitch first, and which direction a component must rotate, in order to open or close the cart. The Speed Cart GT reduces the latches to a pair. One releases the front wheel, while the other separates the handle from the body.

The Sync Bag

Sync Gunmetal Black Flash

Make a quick checklist for what you need in a cart bag, and you’ll likely stop at two elements: storage and balance.

In what will come to be known as The Tale of the Eight Pockets, I’ll break down my suggested uses for the ocho espacios of storage found in the Sync bag:

  1. Low center pocket: Golf balls. Massive space for the orbs.
  2. Middle center pocket: Golf tees. How many times have you been stabbed by a tee over the years, while searching for a ball marker or some other item? Just the stake, so you know what’s in there.
  3. Upper center pocket: Valuables. Pocket made from a soft material, so secrete your watch, rings, money clip, wallet, whatever with complete security.
  4. Long right side pocket: Rain gear. Spans the height of the bag, plenty of room for jacket and pants;
  5. Right side slot: Scorecard goes here, the official one. Get yourself a scorecard holder and slide the entire apparatus here. Guaranteed to protect it from folding, the elements, and other enemies.
  6. Upper left side pocket: Gloves. As with tees, they deserve their own closet. No dirt, pebbles or other grime to speed up their demise.
  7. Lower left side pocket: The cooler. Literally made of that slick, plastic material that keeps beverages chilled for a time.
  8. Left side slot: Framed picture of your family. I’ve run out of ideas (or possessions). Let’s call it the land of miscellanity (a word of my invention) and allow you to put a hat, hand towel, or whatever security item you tote that allows you to do you.

Remember those 15 club slots mentioned above? One is not for Ian Woosnam’s extra driver, although it could be. The top slot, wider than the rest, is ideal for a closed umbrella. No more hanging it here, looping it there. Like a dedicated wall plug, the umbrella finally receives the respect it is due. All slot openings are lined, to ensure that no scraping of shaft paint occurs. Come to think of it, that umbrella space is so wide, you can still fit that extra driver.

Related: The GolfWRX Guide to Purchasing a Push Cart

Regarding balance, all roads lead to this: Handles, handles everywhere! Two at the top, made from molded rubber around plastic, make loading and unloading the bag a cinch. Under the bottom pocket is a flap, commonly found in modern bags, that allows you to grasp at that end and balance your lift. The main bag handle is sturdy, for the golfer who opts for the one-arm lift.

The bottom of the Sync bag was molded to fit snugly in the lower rest of the Sun Mountain Speed and Micro-Cart series. Knowing that a change in terrain or pace will cause zero movement in your bag is a comforting thought. As for motorized carts, a strap slot in the fabric, running beneath the main handle, adds a layer of secure attachment not found in other bags I’ve seen.

[wrx_buy_now oemlink=”″ oemtext=”Learn more from Sun Mountain” amazonlink=””]

The Speed Cart GT


In previous push cart reviews for GolfWRX, I’ve come away equal parts impressed and uncertain. I’ve been impressed by the number of attributes that companies can weave into their chariots. I’ve also been uncertain that all of the features are necessary. The Speed Cart GT is a three-wheel affair, with a front wheel that tucks under for storage, dropping down and forward for use. This movement is seamless, one that a child with enough strength to unfasten and fasten the latch can pull off.

The main body of the cart is streamlined. The top handle is resolute, encouraging proper and efficient steering and control. Below it is a covered storage unit for scorecard, pencil, smart phone, you get the idea. It is deep enough for those items, but not so spacious that it impacts other elements. A mesh net hangs down for other items, should you wish to have them closer to hand than the golf bag pockets.

The trio of wheels, with bearings locked away and nearly noiseless, move the push cart comfortably at your chosen speed. Going for a jog? Break away with no concern. Uphill or downhill? Got you covered. A handle hand brake secures the entire cart on any incline. If you like the cart but have a carry bag with stand, you’ve no doubt fought to settle your stand legs on other push carts. The upper rest of the Speed Cart GT has been restructured to accommodate the stand apparatus. A knob is provided for add-ons, like an umbrella or cup holder, but there is little need. Between the bag and the cart, standard features get all jobs done.

[wrx_buy_now oemlink=”” oemtext=”Learn more from Sun Mountain” amazonlink=”″]

The Takeaway


There is a Yin Yang relationship at work between a good push cart-bag combination. The former should be as simple and sensible as the latter is complex and sensible. All boxes for this synchronicity are checked with the Speed Cart GT and the Sync golf bag.

If you pay between $400-500 for a bag-cart combo, you expect superior quality and seamless collaboration. The Sun Mountain Sync bag and Speed Cart GT push cart exceed those requirements. The foresight to mold the bag bottom to the precise shape of the lower rest on the cart is so simple, yet pure genius. You won’t think about it after the first round, but it will enhance the ease of each walking round.

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Ronald Montesano writes for from western New York. He dabbles in coaching golf and teaching Spanish, in addition to scribbling columns on all aspects of golf, from apparel to architecture, from equipment to travel. Follow Ronald on Twitter at @buffalogolfer.

1 Comment

1 Comment

  1. Dave R

    Jun 25, 2017 at 8:27 pm

    Is the bag is water proof . My titleist one is the stay dry and I mean it stays dry in the wettest of conditions. Paid about the same for the bag . If it’s water proof I would likely try their combo as I like to walk but right now I use a battery operated one and takes up lots of space , and its heavy.

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TaylorMade P Series irons: Talking tour integration



Now that the cat has been let out of the bag on the new 2020 TaylorMade P Series irons, I wanted to get some intel on how these new sticks will start to infiltrate the major tours and what that might look like.

TaylorMade’s Adrian Rietveld is one of the individuals that players like Rory, Rahm, and a number of the European staff trust to transition into new product.

I had a chance to chat with him this week on all things P Series, and this is what he had to say.

JW: In a general sense, what is the process for you when integrating a new product on Tour?

AR: I never like to do [more than] one product at a time, unless I’m at the Kingdom or off-site. On tour, it’s essential the focus stays in a bubble and we deal with one thing at a time. We typically will speak before any testing is done and I’ll get a sense from them what is looking to be gained or if there are any glaring issues.

The main place to start is going apples-to-apples spec-wise—old product vs new product. At that point we can see what the new product is offering, i.e. where it’s good and also identify what we need to do to get dialed across the board.

JW: Of the main Tour staff, who is testing now, and who will be testing after the season is over?

AR: Can’t answer exactly who is currently testing because all players test at different times, but I know our U.S. and European core staff players all have sets including non-staff players that also have our equipment in play.

The cool thing is the players who have had the time to test put them in play quickly which is a good sign.

JW: Rory put the P7MB in play quickly. What did he respond to on the P7MB that encouraged the switch?

AR: He did, but by the time, he got them he had been testing with us for a good while. When he got the set he has now, he was already quite familiar with them, so the transition was easy. This iron was designed with a lot of his input (as well as DJ) and both players had very nuanced but similar preferences, so it’s safe to say he was comfortable with them when they came outta the box.

It’s not a huge switch from his 730’s. He liked that he picked up marginal improvements across the board and was particularly pleased of the simplicity of the set—especially in the longer irons with less offset.

JW: What improvements are you seeing so far vs old models?

AR: For MB, using Charley Hull as an example, the 730 for her seemed to turn over a bit and was a bit less forgiving. With the 7MB, she neutralized her ball flight all while keeping her spec identical to her old set.

In the MC the long irons seem to launch a touch higher with a fraction more speed. Every player who has tested has made the switch, and that’s with no pressure to do so. We are patient when players irons hit in regards to player switches. I believe in the next 6-9 months you will see a ton of MC’s in bags, whether its staff or non-staff.

JW: Do you think you will see more combo sets than before?

AR: To be honest most setups these days are combo sets in some way shape or form. What I think we will see are players having the P7MB play further down into the set. For example, the player that was 4, 5, 6 750 and 7-P in 730 will now start to have the MB in the 5 and 6. That little addition of forgiveness will give players enough confidence and performance to make them comfortable.

JW: Using Rahm as an example, what is his process when he is getting into a new product?

AR: He spends a lot of time at The Kingdom and does any major switching there. He’s not a player who tends to tinker at a tournament site. As with most of our staff, his process is about making sure any switch in the bag is a step forward in performance. Since he lives in Arizona, getting to Keith and me in Carlsbad isn’t a long trip and that gives us ample quiet time to focus, test, and experiment.

*according to TaylorMade, eight sets P Series irons have been built for players on the European Tour with seven going into play immediately.

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Best tips for shopping for used golf clubs



We’re in the middle of the golf season, and there is still lots of time left to lower your handicap, post a personal best score, and have some more fun along the way—but it might require some news clubs to get there. The best part is today, new doesn’t have to mean brand new—it can just be “new” to you.

Before spending any money shopping for used golf clubs, it’s important to pay close attention to a number of small details to save you time—and prevent you from having to spend more money down the road to correct for purchasing mistakes.

Here is our how-to guide to shop for used clubs

Shop the big sellers: Unless you are buying locally and have the opportunity to inspect clubs and know their source, the safest and easiest way to shop is from the big online sellers that inspect and verify the clubs they sell are legit.

Although thanks to a very concerted effort by OEMs to mostly eliminate counterfeit gear, it can still find its way into the marketplace and big sellers help stop the spread and prevent you from wasting your money. Also, most of the big sellers use photos of the actual clubs you are buying – not representative photos so you know exactly what you are getting.
**(We also have a great Buy/Sell/Trade board here on GolfWRX too)**

The telltale signs of counterfeit clubs are

  • Badge and brand colors slightly off
  • Poorly installed shaft bands (the stickers on steel shafts)
  • Awful smelling grips – they can feel thin and smell like very cheap rubber or solvents
  • Club weight seems very off – for irons and wedges they might feel extremely light and for drivers and woods they can feel a lot heavier because of the extremely poor quality graphite shafts being used.

Confirm specs: You don’t need to have a shop worth of tools to quickly and easily take some simple measurements to make sure you and getting clubs that match the right spec you are looking for, although a very specific tool is needed to check lies and lofts.

Specs you can check without tools – irons and wedges

  • Lengths: If lengths arent stated and you are buying in person, just simply bring a few of your own clubs to compare.
  • Grips: A quick check that all of the grips match for size and style can save you money, and make sure they feel good when you go to use them. Don’t forget though, grips are an easy and affordable way to make used clubs feel new again.
  • Matching shafts: A quick visual inspection to make sure the shafts match up will make sure you are getting what you pay for. Along that same line, checking to also make sure the ferrules match will show whether any club in the set was potentially repaired at some point.

Shopping for used clubs can feel like a treasure hunt and is a lot of fun—it’s also a great way to save money on equipment. Just be sure to not get caught up in what might seem like a deal too good to be true and take your time when evaluating what you are buying.

Happy (used golf club) shopping!

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Korea’s AutoFlex Shaft: Challenging the conventional wisdom of golf



We are creatures of habit, or so I’ve been told. And God knows old habits are hard to break. Just ask my right leg that simply refuses to stop reverse-pivoting, despite my best intentions.

Equally hard to break are pre-conceived notions and superstitions. There are hundreds of them to be sure, but I want to focus on one particular idea in golf that seems to be largely unchallenged for its conventional wisdom: The more flexible the shaft, the less accurate it is.

You may have heard a similar version of the same idea. Stiffer shafts offer straighter shots, faster swingers need stronger shafts, and whippier shafts result in more slice. But a recent find has caused me to challenge this well-established notion—that an ultralight, super flexible shaft (44 grams) is claiming to be not only straighter but longer as well.

My first reaction: “NO WAY”. The shaft would practically be a fishing rod. There’s no way that it would stand up to my normal swing speed of 98~100 mph.

But the kicker was that the makers of this ‘breakthrough’ shaft doubled down on me by claiming that their fishing rod-esque shaft can hold under swing speeds of up to 150mph! That’s up in the territory of world long drive champions-and they are practically inhuman! Now I was scoffing out loud—time to put the money where their mouth was.

(Jung-hwan MOON, member of Korean National long drive team, testing out the new AutoFlex FS505 shaft)

The new shaft is named AUTO FLEX. Sounds a little cheesy, until you realize that Dumina Inc., the South Korean shaft manufacturer, also makes AUTO POWER shafts that have caused a local sensation on the KLPGA and elite amateur circles over the past few years.

Autopower shafts have proven itself to be effective, largely due to a wide range of 50+ shafts offering a much smaller gapping of about 5-10 CPMs between shafts. It allowed golfers to dial into their particular swing speed more effectively. Its use of their proprietary weaving pattern and as-yet-undisclosed material KHT (Korea Hidden Technology!?) also did what it said it would. Smooth feel, mid-high launch, and great accuracy/forgiveness.


Enter AUTO FLEX, the new generation of shafts that Dumina claims will make the game of golf easier and more enjoyable for all golfers. By allowing golfers to swing more easily and smoothly with a much lighter shaft, golfers will not only feel fewer aches and pains but that their scores will improve as well.

Oh, and did I mention that there are only 3 shafts that are supposed to fit all levels of swing speeds from 65 to 150mph?

“NO WAY”, you say? I told you so.

Autoflex SF305 shaft / 38 grams / approx. 170cpm / Ladies / SS 60~80mph
Autoflex SF405 shaft / 44 grams / approx. 180cpm / Men / SS 80~95mph
Autoflex SF505 shaft / 51 grams / approx. 210cpm / Pro / SS 95~120+mph

According to the specs provided, I was fit for the SF405 shaft. The SF stands for ‘Spec Free’ meaning that these shafts do not follow the conventional labeling system of R, S, X, and weight. The first few waggles and I was at a loss for words.

Dumina claimed that after three rounds with the Autoflex, I would be well adjusted and that results would be prominent. I began by hitting a few shots with the 43-gram shaft and immediately noticed that the shaft had something much more than meets the eye.

Once I got over the initial doubt that a whippy shaft would not be able to square up to the ball at impact and started to swing normally, the shots flew straight with a bump up in launch angle. The higher launch (from 9º up to 13º) gave me more carry distance over my previous gamer, but I thought it might be increasing my backspin. But a quick check with a launch monitor showed an average of 2,000-2,100 RPM, which was about the same as before.

But the most noticeable numbers were from the total distance, which was about 5~7 yards farther than my usual average. This was surprising because I felt I was swinging a little slower and smoother than before (it may be from the fear that the whippy shaft may cause a duck hook), but the average ball speed increased from 62~63mph to about 65.

I venture that because the shaft is more flexible, it causes the head speed to increase, kind of like cracking a whip of sorts. This somewhat fits into my current belief that a more flexible shaft hits the ball longer (at the expense of accuracy).

Pretty darn good numbers for me, but ZERO side spin means a straight as an arrow shot and 1.50 smash factor.


The numbers on the launch monitor were impressive for my standards and usual play. But it needed to be tested out on the course.

At the time of this article, I have played some 10 rounds with the new AutoFlex shaft on my Cobra F9 driver (10.5°, 45.25 inches at D2) and I couldn’t be happier with my results. My driving accuracy has significantly improved over the conventional shaft (HZRDUS Smoke 6S).

I’ve played in both fair and very windy conditions, and the results were the same. I was finding a lot more fairway than ever before. That pesky little draw at the end that rolls the ball into the left rough has all but disappeared.

To be frank, I didn’t see much change in the overall distance as well-struck shots from both my old gamer and new shaft tended to go about the same distance. However, it was the frequency of how often I was able to hit the sweet spot with the new shaft that made me feel much more confident in swinging the driver on the tightest of fairways.

I am still searching for the right words to explain it, but the driver feels whippy on the backswing and yet it feels like the entire length of the shaft firms up on the downswing and at impact. At times, I was certain that the shot completely missed the center of the face and a quick check confirmed that I struck the ball on the heel or toe, well outside the center. But the resulting ball flight is either a slight push or pull with a small distance loss of about 10 yards. Yet, no bananas or duck hooks that I’ve come to associate with such mishits and feedback to the hands. What sorcery is this?

But the most beneficial factor for me was that I was swinging the club much easier and with less energy exertion than I would have done with a heavier, stiffer shaft. I had a lower back disc surgery five years ago that prevents me from making a full turn and a limited finish. Playing with longer-hitting friends invariably leads me to try to swing harder at a faster tempo, usually leading to ballooning scores.

With AutoFlex, once I dialed into the new reality with an adjusted belief about whippier shafts, I was able to maintain both accuracy and distance for the whole round and not feel as tired. And I was better able to maintain my balance with a smoother swing and not have to worry about losing distance. Perhaps this is what let me hit the face center more often. Just like the namesake, it was as if the shaft was automatically trying to help fix my swing flaws to provide maximum forgiveness.

Whatever it is, I was sold.

I now have the same spec AutoFlex shaft in my 3-wood as well. If I had trouble getting my fairway woods up in the air previously, no one would suspect that of me now.

I would love to replace all of my shafts, irons and all if I could afford it, but unfortunately, the shafts are quite expensive. The company tells me that the “hidden technology” material and the manufacturing process is quite costly (nearly seven times over regular shaft manufacturing cost), and they are available in limited quantities at 950,000 KRW (about $775) each.

For me, the proof was in my new-found fearlessness with the driver and wood. I get a kick out of waggling my driver on the first tee to the shock of my playing partners and then bust a drive down the middle. Some still can’t come to grips with the shaft despite trying for themselves. And the makers of the shaft are keeping their lips sealed on what makes the shaft behave differently than the commonly held perceptions. In fact, Dumina has not applied for a patent at all, stating that once their secret is out, it will change the way we play golf and limit their business from copycats. So whatever KHT is about, it will remain undisclosed for the time being.

What do you think? Do you have any ideas on how the AutoFlex shaft works or what are its component materials? I would be interested in hearing from other gear heads out there!



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