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Tour Edge Hot Launch C521 & E521 drivers

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Tour Edge and its Hot Launch line of clubs are one of the undisputed leaders when it comes to offering game improvement technology, custom fitting, and value to golfers of all skill levels. The company is at it again with the introduction of the new 2021 Hot Launch 521 Series, which includes the Hot Launch E521 and Hot Launch C521 drivers.

The Hot Launch E Series offers high-MOI, extreme game improvement designs with a singular focus on delivering easy-to-launch performance, which is built around correcting the most common miss in golf: the dreaded slice.

The Hot Launch C Series is designed for golfers who desire classicly shaped clubs that offer optimal launch and spin rates, while still getting all the benefits of easy to hit, forgiving clubs built around maximizing MOI.

“We see these two series as being the best value available in the custom fitting market and that’s exactly why we created our 48-hour custom fitting delivery guarantee. We want to open up the flood gates to custom fitting to golfers who are looking for the latest in innovation and extremely high performance at logical prices.”  -David Glod, founder of Tour Edge

To quickly help you understand which driver is the better choice for you, let’s break it down like this.

  • The Hot Launch E521 driver is designed for “Extreme Game Improvement”
  • The Hot Launch C521 driver is built to what Tour Edge calls “Competition Spec” for golfers wanting game improvement performance in a more traditional looking package.

These spec variations can be found through the entire Hot Launch 521 Series in both the E521 and C521 products.

Tour Edge C521 Driver

The “C” in C521 driver stands for “Competition Spec,” but it could also is for “control.” Tour Edge offers that element by reshaping the head and placing more mass low and farther away from the face to achieve an extremely high MOI in what can be considered a traditionally shaped head. According to Tour Edge, compared to the previous HL4, the new C521 has a 12-percent lower and 7-percent farther back CG, which boosts the total MOI improvement by 8 percent. When it comes to engineering new products, any percentage increase greater than 3-4 percent is considered a breakthrough.

“With Hot Launch 521, we were able to achieve MOI that matches drivers in play on the professional tours that cost three to four times more. No one else is doing this with MOI at this price point. The result is fantastic performance with straighter, more accurate drives” – David Glod

Tour Edge E521 Driver

The E521 driver takes game improvement to the limit—and I mean that literally. The E521 is at the USGA limit for front-to-back and heel-to-toe dimensions to maximize forgiveness and boost MOI. To stretch the head to those proportions, the E521 is shallower than the C521, which creates an extremely low center of gravity and makes the driver easier to launch for players at the lower end of the speed spectrum.

It also has something Tour Edge and designer David Glod calls “Houdini Sole,” which reshapes the sole of the driver to save mass and allow it to be concentrated as far back as possible on the trailing edge. According to Tour Edge, this design offers 12-percent higher MOI and a 14-percent lower CG compared to the previous generation HL4 and makes it the most forgiving driver they have ever created.

This puts the E521 into the highest range of stability in the driver market alongside drivers that retail for more than twice the price. As we mentioned off the top, Tour Edge is about offering maximum forgiveness at the highest possible value.

An additional part of the forgiveness story is a familiar one, but when it works it works, and that is offset. It’s not something you find from many OEMs anymore because of adjustable hosels and moveable CGs, but offering an offset driver gives Tour Edge an advantage to help golfers that struggle with the dreaded slice.

“With these shallow faces and offset designs, on top of the higher lofts we offer, the Hot Launch E521 Driver is easily the leader in launch technology in today’s market.” – David Glod

Last but not least, the team at Tour Edge didn’t stop at the head to help produce a club that offers better control—they also looked at the shaft. The E521 driver comes stock with Control Length Shaft Technology, which is a fancy way of saying the stock length is shorter to help improve contact. At 44.5″ it’s only a hair under the PGA Tour’s average length driver to help improve the efficiency of contact and results in overall better driving. Better driving leads to more greens hit, more greens hit leads to fewer putts, and few putts mean lower scores.

Hot Launch 521 Series driver technology

As much as both the C512 and E521 drivers are targetted towards different golfers they do share technologies to offer more consistent ball speeds and increase forgiveness.

Diamond & Cup Face Technology – The diamond face was designed with the help of finite element analysis to simulate energy transfer and helps the drivers produce faster and more consistent ball speeds on off-center hits by placing mass where it’s needed. It features 39 varying thick and thin diamond “mini-trampolines” on the back of the clubface to increase performance.

This technology was previously only available in Tour Edges premium Exotics line, but by bringing it to the Hot Launch series they can offer greater performance at a better value.

“To be able to take an amazing innovation like Diamond Face that changed the level of what we produced with Exotics EXS and to be able to bring it over to Hot Launch is a huge deal for the performance characteristics of these clubs. This is going to help a lot of golfers gain speed and power.”

Power Channel – The Power Channel sits on the sole of the club behind the clubface to increase overall flex and help boost ball speeds on shots hit lower on the face while also keeping spin down. On the C521 it is 25% deeper than the previous HL4 to improve overall performance.

Acoustic Engineering – The 521 series drivers use the same sound diffusion bars as the Exotics EXS 220 and EXS Pro drivers to improve impact sound, and offer better feedback on shots. It’s a fine balancing act for club designers since they never want to build a driver that offends golfers and has them handing out courtesy earplugs to their playing partners, but go too far the other way and a driver sounds “dead”. The soundbars in the Tour Edge 521 drivers produce an acoustic that is both hot off the face but also solid – think thwack! over Thud!

Price, specs, and availability

Both the C521 and E521 drivers will retail for $229.99. All Tour Edge Hot Launch clubs including the drivers are hand-built in the United States and are part of Tour Edge’s 48-hour custom fitting delivery and lifetime warranty programs.

C521 Driver Specs

Stock Shaft: Aldila Rogue 50-gram L-Flex, 50-gram A-Flex, 60-gram Regular-Flex, 60- gram Stiff Flex, and 60-gram X-Flex
Stock Grip: Lamkin Z5, available in undersize, standard, and Midsize.

E521 (Offset) Driver Specs

Stock Shaft: Mitsubishi Fubuki 45-gram L-Flex, 50-gram A-Flex, 50-gram Regular Flex, and 55-gram Stiff Flex
Stock Grip: Lamkin Z5, available in undersize, standard, and Midsize.

Both of the new Hot Launch 521 Drivers will be available on November 1, 2020.

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.

1 Comment

1 Comment

  1. Greg V

    Oct 6, 2020 at 10:02 am

    Pictures at address would be really helpful.

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Slab city on the Korn Ferry Tour — Lead Tape Report

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This week, we have our Tour Photographer, Greg Moore, on the ground at the OccuNet Classic at Tascosa Golf Club in Amarillo, Texas, for the 14th event of the 2026 Korn Ferry Tour season. With that, we see some great things in the Lead Tape Report as we roll into Amarillo.

Joel Thelen

Monday Qualifier, Joel Thelen is in the field this week. He has played on the Korn Ferry Tour for a full season in 2023, and he is back in action this week. A couple of clubs caught my eye this week in his bag.

First off: His trusted Titleist 816 H2 hybrid. This club came out in October of 2015, and it still remains strong in the bag. Also, take a look at this Odyssey White Hot OG 7, putting a capital S in the 7S model. This custom neck has some impressive lean for an arm-lock-style putter. The bottom of the putter is covered in tape for optimal weighting.

Mitchell Meissner

Taking a look at Mitchell Meissner’s bag this week, we have some great lead tape coverage. Top to bottom working from fairway metals, irons, and wedges. We can see on the short irons and wedges that there is tape at the base of the grip, adding a little counterbalance. Along with that, some tape on the short irons and wedges as well. Moving to his putter, he rolls the Odyssey 7 Bird putter. Meissner putts left-handed and strikes the ball right-handed. 

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Whats in the Bag

Bud Cauley WITB 2026 (June)

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Bud Cauley had >14 clubs in his bag when photographed prior to the Memorial Tournament.

Driver: Titleist GTS2 (8 degrees)
Shaft: Fujikura Ventus Black 6 X

3-wood: Titleist GTS3 (15 degrees, B1 SureFit setting)
Shaft: Mitsubishi Chemical Tensei 1K Pro Red 70 TX

7-wood: Titleist GTS3 (21 degrees, D1 SureFit setting)
Shaft: Mitsubishi Chemical Tensei 1K Pro Red 80 TX

Irons: Titleist U505 (3), Titleist 620 MB (4-9)
Shafts: Fujikura Ventus Black HB 8 X, True Temper Dynamic Gold Tour Issue

Wedges: Titleist Vokey Design SM11 (48-10F, 52-12F, 56-14F), WedgeWorks (60-K*)
Shafts: True Temper Dynamic Gold Tour Issue S400

Putters: Scotty Cameron Tour Prototype, Scotty Cameron GOLO 6.3 Prototype

Grips: Golf Pride Tour Velvet Align

Ball: Titleist Pro V1

See more in-hand photos of Bud Cauley’s clubs here.

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Equipment

Name every set of irons you’ve owned – GolfWRXers discuss

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In our forums, one user has offered up a prompt for the true sickos, inviting fellow forum members to share every set of irons they’ve ever owned. As to be expected, this is a lengthy forum topic.

@Lamosteve began:

Can you name every set of irons you’ve owned? Here’s mine

Spalding Dots
Spalding Eclipse
Ram Lazer FX
Lynx Parallax
Mizuno EZ Comp
Ben Hogans
Cleveland CG Red
Taylor Made R9s
PING i20
PING iE1
Taylor Made M6

Our members in the forum have been offering up their own collections. 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.

  • macedan: “Started with a hand-me-down Golden Bear set from my brother when I was in high school, never really played more than once a year or got into the game until about summer of 2017. First purchased a set of Cleveland CG4’s (I actually really miss this set sometimes, soft & not terribly large for a GI iron), moved into Nike Vapor Fly’s by the end of the year. Those lasted until spring of 18 when I decided I wanted new, so I traded them in for TM Rbladez. Honestly, although I liked the Rbladez, poor decision on my part, I think this was really about the only time so far that after a week or two I was kicking myself for not staying with what I had. Rbladez stayed with me until late last summer when I switched to P790’s and (knock on wood) I am hoping this will be my longest lasting set.”
  • JimmyC59: “MacGregor Jack Nicklaus Triple Crown. Palmer The Standard. Still play these.”
  • jgrzask: “Tommy Armour 845u
    Mizuno MP-32
    Mizuno MP-33 (2 sets)
    Bridgestone J33cb – still own
    Srixon i-302 (2 sets) – still own
    Tourstage X-Blades – still own
    Mizuno Hot Metal – still own
    Nike Forged Blades – still own
    Titleist 714 AP1 – still own
    Cobra Forged SS – still own”

Entire Thread: “Name every set of irons you’ve owned.”

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