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2021 Cobra RadSpeed irons

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3D printing has officially gone mainstream in golf. On the heels of the recently launched 3D-printed King SuperSport-35 putter, Cobra is introducing the new 2021 Cobra RadSpeed irons with golf’s first-ever 3D-printed nylon medallion designed to save weight, increase forgiveness, and fine-tune acoustics. All of this while being built into a sportier-looking iron.

2021 Cobra RadSpeed irons: The package

If you talk to golfers who are the target market for technology-packed irons there are generally a few requests:

  • I want them as forgiving as possible
  • I want them to feel good
  • I want them to be compact because “I don’t want to play a shovel.”

To these golfers, the engineers at Cobra have heard your requests and they are here to deliver.

The lead of this story, for good reason, is the large 3D-printed medallion designed to enhance the feel of the irons while also saving weight and increasing the MOI, but the real star of the show for golfers and fitters is the new Radial Weighting system around the head—and specifically in the toe of club.

The whole package creates a set of irons that can be built to exacting specs like never before, and just like the 3D-printed medallion, Cobra is demonstrating that precision in the design and build process leads to better performance for the end-user.

2021 Cobra RadSpeed irons: The technology

3D printing

Let’s start with the medallion. Unlike traditional badges used in irons, which are made using various injection molding processes, the 3D-printed medallion is comprised of nylon and uses an intricate structure of intertwined lattice to increase strength while also reducing weight.

3D-printed titanium skateboard truck

The backbone of this technology is the ability to create shapes that maximize strength while also reducing both material use and weight. In the case of golf clubs, this saves engineers precious grams of mass, which can be repositioned around the head. This is a crucial element of golf club design since the final mass of each part is defined by its position in the set (i.e. the final 7-iron mass on a standard set of clubs is roughly 268g, no more and no less.)

3D-printing has been used for years to prototype clubs, but thanks to the evolution of the technology, which in turn has helped drive down the cost, Cobra can effectively bring this to market while offering an advantage over previous and not having to pass enormous costs on to the consumer.

Radial Weighting

Much like the RadSpeed driver, the irons derive their name from newly positioned weights around the radius of the iron head designed to increase stability. By placing weight on the extreme perimeter of the head (away from the center of gravity), Cobra can both lower the CG and make the club slightly more compact while not sacrificing forgiveness. The screw-in weights are 10g in the toe and 3g in the heel (in a stock-configured club) but can be reconfigured for custom builds depending on the specs.

This allows the engineers to keep the center of gravity directly behind the middle of the face, which is especially important when tip weights might be involved to adjust any custom orders. Let me explain in a little more detail: Basically, every iron on the market utilizes a tip weight, either inserted into the shaft or into a port in the bottom of the hosel. OEMs use them all the time, and there is 100 percent nothing wrong with using tip weights to achieve the desired swing weight, but when you use them, you move the CG closer to the hosel/heel side of the club. It’s not moved on a humanly noticeable level but from an engineering perspective, it occurs.

According to Cobra, this weight may be adjusted +/- 6g during custom builds to dial in proper swing weight based on length, shaft weight, and grip specs.

PWRShell Technology

Besides the perimeter of the club, where the forgiveness is created, the most important single “part” of any club is the face. Cobra has worked long and hard to maximize speed and increase launch with PWRShell technology, which has once again been refined to improve performance.

Forged from high-strength 17-4 stainless steel, the thin face has a longer and deeper internal channel to increase compliance—a fancy physics term for an object’s ability to flex, which in turn increases the ball speed retention around the face to create a larger area of maximum energy transfer. The forged PWRShell faces are found in the 4-7 irons, while the 8-SW use a one-piece construction. NOTE: The term “area of maximum energy return” is a way to define the face area where a player is going to see great results versus the traditional “sweet spot.” Even as irons, and clubs in general, get more forgiving, there is still only a tiny single defined sweet spot.

The other component of the face puzzle is control, and that means talking grooves. The variable-length RadSpeed irons feature progressive groove shapes—V grooves in the longer irons for reduced spin, and U grooves in the shorter irons (8-SW) for added spin and control.

Carbon Fiber Topline

Just like the previous SpeedsZone irons, the RadSpeed irons have a unique carbon fiber topline that saves two grams to be moved around the head—remember, every gram counts! The insert has been tweaked to an all-black cosmetic to offer a slimmer and more compact look from address.

One Length is growing

We can’t talk Cobra irons without talking One Length. And yes, the RadSpeed irons are offered in a one-length package to promote repeatability at address for improved consistency shot after shot. The stock configuration is built around matching lengths of 37.5” (custom single lengths are available), along with consistent head weights and swing weights in every iron. 

There are some progressive aspects of the RadSpeed One Length irons and that is their lie angles and shaft weighting to promote higher launch in the lower-lofted clubs and more control in the scoring clubs.

Sole comparison: RadSpeed variable-length (left ) One Length (right)

Last but not least, when you look at the soles of the RadSpeed One Length irons, you will notice the soles get wider from the 6-iron up to the 4-iron. Once again, this progression is thanks to some well thought-out engineering.

The wider soles create a lower and deeper CG to make it easier for golfers to increase peak height and land/descent angle to help hold greens from longer distances and improve gapping. 

With constantly improving fitting techniques, alongside evolving technology, you can expect to see more golfers either switch to or take up the game with single-length clubs. Cobra is leading the way in the consumer market, and thanks to greater education, at this point One Length makes up over 30 percent of their irons sales with it expecting to continue to grow. When you consider how many new golfers have been created in 2020, and how One Length clubs help create greater consistency, it should be no surprise to see more of these sets in golf bags moving into 2021.

Price, specs, and availability

The Cobra RadSpeed irons, along with the entire RadSpeed product line, will be available at retail and online starting January 29, 2021.

The RadSpeed variable length irons will be available in a Nickel Chrome finish and come stock 5-gap wedge (7 piece set) in both right and left-handed or 4-PW in right hand only for $899. There is also a graphite combo set which includes a 5 hybrid and goes 6 iron to gap wedge in right hand only for $999.

The stock shafts are KBS Tour 90 in steel and UST Recoil ESX 460 in graphite, along with Lamkin Crossline Connect black grips.

There is also a black PVD finish option available through custom order only for an additional $100 upcharge.

The Cobra RadSpeed ONE Length irons also come in a Nickel Chrome finish and can be differentiated by their black, silver, and blue medallion. They will come stock in a 5-gap wedge (7 piece set) in both right and left-handed for $899, with a graphite combo set which includes 5 hybrid, 6 iron to gap wedge for $999 right-handed.

The ONE Length stock steel shafts are progressive and are made up of KBS Tour 80 (4-6i), KBS Tour 90 (7-9i), and Tour 120 (PW, SW). The graphite stock shafts are also progressive with UST Recoil ESX 460 (4-9i) and the UST Recoil ESX 480 (PW, SW).  The One length grips are the Lamkin Crossline Connect in blue.

Lofts

The 2021 Cobra RadSpeed irons, along with the entire RadSpeed line, will continue to employ Cobra Connect powered by Arccos. Every club comes with an embedded electronic sensor in the grip to automatically record the distance and accuracy of every shot so golfers can track their improvements round-to-round.

For more information, visit www.cobragolf.com.

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Ryan Barath is a club-fitter & master club builder with more than 17 years of experience working with golfers of all skill levels, including PGA Tour players. He is the former Build Shop Manager & Social Media Coordinator for Modern Golf. He now works independently from his home shop and is a member of advisory panels to a select number of golf equipment manufacturers. You can find Ryan on Twitter and Instagram where he's always willing to chat golf, and share his passion for club building, course architecture and wedge grinding.

9 Comments

9 Comments

  1. retired04

    Apr 21, 2021 at 11:46 am

    Am confused-If you put “V” grooves on the mid irons reducing spin, doesn’t that impact your ability to get the ball to stop on the green?

  2. Pingback: Best irons in golf of 2021: Most technology packed – GolfWRX

  3. Mower

    Dec 9, 2020 at 7:15 pm

    Oh yeah! Chunky Monkey city!

  4. Mike

    Dec 8, 2020 at 5:58 pm

    And the lofts just keep getting stronger & stronger………..

    Why bother putting #’s on the club, just put the loft #. Then we could have meaningful comparisons.

  5. IG

    Dec 8, 2020 at 3:48 pm

    21 degree 5 iron and 42,5 PW!
    Cobra will need to bring a gap wedge out to fit the gap between a PW and a normal gap wedge.

  6. Iain Gold

    Dec 8, 2020 at 3:46 pm

    21 degree 5 iron and 42,5 PW!
    Cobra will need to bring a gap wedge out to fit the gap between a PW and a normal gap wedge.

  7. Juan Won

    Dec 8, 2020 at 3:01 pm

    Love the look of the RAD iron line. The shaft options are garbage though. I do like the KBS line minus the Tour. I’ve tested the entire line up. I have the Recoil Proto F5 in my back up set and they are awesome but the retail version is mediocre.

  8. Juanny

    Dec 8, 2020 at 11:05 am

    I just want that Lefty 4 iron at 19* for a DI. Using an F7 4 iron at 20* and it’s outstanding off the tee.

    • Zewi

      Dec 9, 2020 at 4:53 pm

      Surely you can buy it as a single iron. It’ll cost you, though…

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Equipment

What is the benefit of using a wedge instead of PW or GW from the iron set? – GolfWRXers discuss

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In our forums, our members have been discussing the pros and cons of using a pitching or gap wedge from an iron set. WRXer ‘jpark0221’ kicks off the thread, asking:

“What is the benefit of doing this instead of using PW from the iron set, which is essentially 10i? I see a lot of pros using wedges from different brands (e.g. Vokey) instead of PW from the same set.”

And our members have been sharing their thoughts in our forum.

Here are a few posts from the thread, but make sure to check out the entire discussion and have your say at the link below.

  • North Butte: “The only way you’ll know is try a different (specialty) wedge instead of the one marked P and see how it works. Give it a couple of dozen rounds, you can’t really tell whether a wedge has an advantage until you get used to playing various shots with it. My point being…they play those wedges because it’s what works best for their game. And you ought to play what works best for your game too. Your best choice won’t necessarily be the same type of club as someone else’s.”
  • Jc0: “If you look a little closer, you’ll notice that most pros who have a specialty 46/48 wedge usually play cavity backs. The speciality wedge is more blade-like to allow a little more control and the ability to play shots a little easier than the PW that matches their set would provide. If a pro plays blades, they usually have the same blade for PW.”
  • PureStrikes54: “Flighting shots lower, getting additional spin for stopping power and to hit it shorter, and minimizing the chance of hitting flier moon balls you can sometimes get with even players cavity irons. At that level, very few players want to be hitting their pitching wedge more than 150 yards. The wedge is a scoring club and is almost always being used to hit knockdowns to tweener yardages.”

Entire Thread: “What is the benefit of using a wedge instead of PW or GW from the iron set?

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Coolest thing for sale in the GolfWRX Classifieds (12/7/22): Nike VR Pro Combo CB irons

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At GolfWRX, we are a community of like-minded individuals that all experience and express our enjoyment of the game in many ways.

It’s that sense of community that drives day-to-day interactions in the forums on topics that range from best driver to what marker you use to mark your ball. It even allows us to share another thing we all love – buying and selling equipment.

Currently, in our GolfWRX buy/sell/trade (BST) forum, there is a listing for a set of Nike VR Pro Combo CB irons

From the seller (@bdawg983): “Nike VR Pro Combo CB irons 4-PW. They have Project X 5.5 flex steel shafts and Golf Pride Tour Velvet Midsize grips. Project X shaft bands have been removed. 4 and 5 are standard length, 38.5 and 38. They have P stamped on the hosel. 6-PW are .5 inch short (37, 36.5, 36, 35.5, 35). Played the last few seasons. They have A stamped on the hosel. A few dings and groove wear from regular play, but no browning. $300.”

To check out the full listing in our BST forum, head through the link: Nike VR Pro Combo CB irons

This is the most impressive current listing from the GolfWRX BST, and if you are curious about the rules to participate in the BST Forum you can check them out here: GolfWRX BST Rules

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TaylorMade unveils all-new P770, P7MC, and P7MB irons

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TaylorMade Golf has today announced the latest evolution of its acclaimed P700 Series with the all-new P770, P7MC, and P7MB irons.

TaylorMade P770 Irons

The all-new P770 irons feature a thinner top line, less offset in long irons, and a shorter blade length when compared to the P790. With its hollow body construction and forged L-Face, the 2022 P770 is designed to provide elevated distance, forgiveness, and excellent feel in a smaller sized head.

The P770 features FLTD CG, a strategic design that positions the center of gravity (CG) lowest in long irons and progressively shifts it higher throughout the set to the shorter, weaker lofted irons. The tungsten weighting scheme in the long and middle irons has been redesigned, shifting more weight to the longer irons’ low tungsten mass and a reduction in the middle irons’ tungsten, resulting in an ascending CG through the set.

The aim behind the FLTD CG strategic design is to create easier launch and playability in the long irons while optimizing trajectory and spin in the scoring clubs. 

The P770 irons feature SpeedFoam Air, a technology introduced in 2021 with the launch of the P790. SpeedFoam Air dampens sound and strategically supports the face with a material 69 percent less dense than SpeedFoam, which was seen in the prior generation of the P770.

In addition to the added speed made possible by the thinnest P770 face TaylorMade has produced, the Thru-SlotSpeed Pocket and Inverted Cone Technology aim to help unlock increased ball speed across the face and forgiveness low in the face, where mishits happen most commonly.

“P700 Series irons need to be technical, elegant and timeless and the new P·770 design has all of that in spades. We wanted to take as much performance and hide it on the inside of the iron to where you look at it and it looks like a clean and classic iron with the pearl satin chrome finish and hint of mirror on the toe. On the inside, the technology we have poured in to this iron creates a product that we believe is truly one of one in this space.” – Matt Bovee, Director, Irons Product Creation

Specs, Availability & Pricing

  • Specs: P770 is offered in 3-PW/AW and comes equipped with KBS Tour Steel shafts (X130g, S 120g) as well as Golf Pride Z-Grip 360 in Grey/Black
  • Availability: Pre-order on December 6 at TaylorMadeGolf.com and at retail beginning January 20, 2023
  • Pricing: $1299 USD (steel) and $1499 USD (graphite)

TaylorMade P7MC Irons

The tour-inspired P7MC iron features minimal offset and perimeter weighting.

A narrow sole and tight leading edge aims to ensure consistency through the turf, while TaylorMade’s Compact Grain Forging process uses 2,000 tons of pressure, more than double the industry standard, with the additional force giving TaylorMade engineers precision control at a micro level, producing a tighter grain structure for the best possible feel and strength properties.

Compact Grain Forging seeks to deliver a refined composition inside and out, with the sophisticated craftsmanship coming to life with a satin finish and forged “Metal-T” within the cavity back.

Per TaylorMade, precision in P7MC is paramount, which is why the face of this iron is continued to be machined. Machining the face aims to ensure precision and quality with TaylorMade’s most aggressive score line geometry for exacting shot making.

“There’s no better feeling than a solidly hit forged iron. For pure ball strikers, the consistency of P7MC rivals anything in the marketplace today and has been a favorite among skilled golfers. For players who choose to combo, our cohesive design language allows you to seamlessly pair it with either P770 or P7MB. No two golfers play the game exactly alike, and one of the things I love about our P·700 Series family is the ability for golfers to personalize a set to match their needs and maintain aesthetic unity.” – Matt Bovee, TaylorMade Golf, Irons Product Creation

Specs, Availability & Pricing

  • Specs: P7MC is offered in 3-PW and come equipped with KBS Tour Steel shafts (X130g, S 120g) as well as Golf Pride Z-Grip 360 in Grey/Black
  • Availability: Pre-order on December 6 at TaylorMade Golf.com and at retail beginning January 20, 2023
  • Pricing: $1299 USD (steel) and $1499 USD (graphite) as seven-piece sets

TaylorMade P7MB Irons

As a result of detailed feedback from testing with Rory McIlroy and Collin Morikawa, the P7MB features a shorter blade length, brand new sole geometry, and progressive offset to create a minimalist profile that’s designed to control shot shape and trajectory.

The sole of P7MB is one millimeter narrower than the previous generation, meaning TaylorMade engineers had to add slightly more bounce to the leading edge which creates a completely different sensation through the turf. Total effective bounce is a combination of sole width and bounce angle, which engineers were able to perfect by increasing the bounce angle to keep the sole from getting caught in the turf.

The shorter blade length of P7MB allowed TaylorMade engineers to create an updated backbar using symmetrical geometry. This allows for more mass to be positioned directly behind the face to support the point of impact and elevate feel.

In addition, the P7MB also features the Compact Grain Forging and machined face and grooves that are also seen in the P7MC irons.

“The narrower sole width of P7MB is a direct result of testing and feedback from Rory McIlroy, Collin Morikawa and our TaylorMade Tour pros. Rory and Collin worked with us to identify the right sole geometry and bounce to match what they were looking for and we perfected that with P7MB. Having two of the best players in the world being a driving force behind the design of this iron have us extremely excited to bring it to the marketplace.” – Matt Bovee, Director, Irons Product Creation

Specs, Availability & Pricing

  • Specs: P7MB is offered in 3-PW and come equipped with KBS Tour Steel shafts (X130g, S 120g) as well as Golf Pride Z-Grip 360 in Grey/Black
  • Availability: Pre-order on December 6 at TaylorMade Golf.com and at retail beginning January 20, 2023
  • Pricing: $1299 USD (steel) and $1499 USD (graphite) as seven-piece sets
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