Cobra delivers a new level of iron performance

Radspeed Variable and One Length offerings

Cobra delivers a new level of iron performance with Radspeed Variable and One Length offerings


Cobra Golf®, a leader in golf club innovation, today introduced the new RADSPEED Irons – its most technologically advanced irons to date. The RADSPEED Variable and ONE Length Irons feature game-changing innovations including Radial Weighting and debut the first ever 3D printed nylon medallion.


Earlier this year, COBRA announced their partnership with HP & Parmatech and successfully became the first major OEM to pioneer 3D printing in golf club manufacturing with the launch of its Limited Edition KING Supersport-35 putter. 3D printing presents significant advantages over traditional manufacturing methods, allowing COBRA engineers to design, prototype and test multiple iterations and bring products to market much faster.  The 3D printed medallion featured in the RADSPEED irons is the brands second application of 3D printing and sets the stage for more innovations to be seen from COBRA Golf in the future using 3D printing. 

This first ever 3D printed nylon medallion utilizes an intricate lattice structure to save weight and fine-tune feel. Upon closer review, golfers may notice the detailed lattice structure provides a window into the cavity and through the medallion. The medallion reduces weight to lower the CG and damp harsh vibrations at impact delivering a soft feel and great response to the golfer.



With a name inspired by its key technology, Radial Weighting, the design of these irons is aimed at maximizing performance through the strategic placement of weight relative to the Center of Gravity (CG) to optimize speed and forgiveness.  COBRA engineers discovered that by positioning more mass low on the heel and toe (the two furthest points from the CG while remaining low in the head), they could lower the CG while dramatically improving the stability of the clubhead. 10g, in the form of a screw-in weight, is positioned in the toe and 3g of mass, is positioned in the heel to create the best combination of low CG, and high MOI for the fast ball speed and high launch.

The 10g screw is a nominal weight used by COBRA to guarantee perfect head weights for improved builds. During custom builds this weight may be adjusted +/- 6g utilizing weights ranging from 4g to 16g in increments of 2g to dial in proper swing weights when customizing length or shafts. This weighting system delivers an iron set that is truly custom built for the golfer. Radial Weighting is a critical component of the design that allows the RADSPEED irons to maintain high launch and maximum carry distance, despite having a stronger loft.


In addition, the irons feature a unique Carbon Fiber Topline that saves 2g to lower the CG and improve launch and spin characteristics.  An all new black carbon fiber cosmetic creates the appearance of a thinner topline for a sleeker and more compact look at address.

COBRA’s patented PWRSHELL technology continues to offer increased speed and higher launch even on stronger lofted irons. The forged PWRSHELL Face insert in the RADSPEED iron is made of a high-strength 17-4 stainless steel, allowing for a thinner and more flexible face design that increases ball speed on and around the Sweet Spot. In addition to the above-mentioned technologies, the RADSPEED Variable Length Irons feature progressive head shapes (two-piece metalwood construction on 4-7i and one-piece construction on 8-SW), groove shapes (V groove for reduced spin in the long irons and U groove for added spin in the short irons), and hosel lengths (shorter in the long irons and taller in the wedges) to optimize distance, launch characteristics, and accuracy for each respective iron category – long irons, mid-irons and wedges.

Cobra delivers a new level of iron performance with Radspeed Variable and One Length offerings

The RADSPEED One Length Irons offer all the magic of RADSPEED technology in a set design that promotes one repeatable setup and swing – for more consistency and accuracy. COBRA achieves this simplified approach by offering matching lengths (37.50”), head weights and swing weights in every iron.  In addition, the use of fine-tuned lie angles and progressive shaft weighting promotes high launch and forgiveness in the long irons, and lower launch with more control in the scoring irons and wedges. Starting at 6i-4i the sole widths get progressively wider (vs. Variable length) to ensure deeper CGs delivering easy up and higher ball flights. This change in CG helps to deliver proper distance gapping in the longer irons that most golfers struggle with. 

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RADSPEED Variable Length irons are available in a Nickel Chrome finish with Black/Turbo Yellow medallion and come stock in 5-GW (RH/LH; Steel – £749 / Graphite – £849) or 4-PW (RH; Steel £749) Each option comes standard with a KBS Tour 90 shaft in stiff or regular flex and a Lamkin Crossline (58+) Connect Black grip. The stock graphite offering utilizes a UST Recoil ESX 460 shaft in stiff, regular and senior flex.

COBRA RADSPEED ONE Length irons are available in a Nickel Chrome finish with a Black/Silver/Blue/Red medallion and come stock in a 5-GW (RH/LH; Steel – £749 / Graphite £849). The ONE Length offering comes standard with a progressive steel shaft makeup, consisting of the KBS Tour 80 (4-6i), KBS Tour 90 (7-9i) and Tour 120 (PW, SW) shaft in stiff or regular flex and a Lamkin Crossline Connect Blue grip.  The graphite stock offering is a UST Recoil ESX 460 (4-9i) and a UST Recoil ESX 480 (PW, SW) in stiff, regular and senior flex.   

Cobra delivers a new level of iron performance with Radspeed Variable and One Length offerings


Both RADSPEED Iron sets come standard with COBRA CONNECT™ Powered by Arccos, the award-winning smart golf system that helps players of all skill levels make smarter, data-driven decisions. Electronically enabled sensors are embedded into the grip, automatically recording the distance and accuracy of every shot so golfers can track performance round-to-round and use analysis to improve practice sessions. Golfers also have access to Arccos Caddie, which utilizes Artificial Intelligence to make better on-course decisions for lower scores.  With the purchase of any COBRA CONNECT club, golfers can request additional sensors to screw in the rest of their clubs, delivering the full benefits of COBRA CONNECT Technology.



All RADSPEED products are available at retail and online, January 29, 2021. For more information, visit www.cobragolf.co.uk

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