Women's KING F9 SPEEDBACK Irons

SPEEDBACK™ Technology pushes the boundaries of conventional iron shaping to optimize low CG and high MOI, creating Cobra’s longest, fastest and most forgiving iron.

KING F9 Driver
  • What IS IT

    SPEEDBACK Technology pushes the boundaries of conventional iron shaping to optimize low CG and high MOI, creating Cobra's longest, fastest, and most forgiving iron.

  • WHO IT'S FOR

    A lightweight configuration features a lighter and softer shaft, a lighter swing weight and a higher lofts creating the perfect combination of launch, speed and distance for women’s swing speeds.

  • Why we made it

    In early testing, we found drastic performance improvements were possible if we pushed the shape beyond the boundaries of the conventional game-improvement iron. This lead to the introduction of SPEEDBACK Technology - a revolutionary advancement in iron shaping that optimizes low CG and high MOI for true distance with forgiveness.

King F9 Irons Grass Laydown

SPEEDBACK DESIGN

Much like a wide-body kit adds to the stability of a race car, SPEEDBACK shaping utilizes a belt of steel that adds mass low and wide, creating a lower, deeper CG that maximizes ball speed, launch and carry while maintaining a conventional sole width.

CNC Milled face driver

FORGED E9 PWRSHELL FACE

An E9 variable thickness face design is 1.8mm at its thinnest point, expanding the SWEET ZONE to increase distance on off-center hits. A forged PWRSHELL design features a deep undercut sole with a 1.2mm internal Speed Channel that returns more energy to the ball for higher launch and faster ball speeds.

King F9 E9 Face Tech

HIGH MOI DESIGN WITH TUNGSTEN

SPEEDBACK adds more mass low and wide compared to a conventional game improvement iron. 33 grams of tungsten is combined in the heel and toe in the 4-7 iron, increasing MOI for maximum stability, higher inertia, and substantial improvements in ball speed, distance and forgiveness.

King F9 Bulge

BEST IN
CLASS FEEL.

A 3-piece multi-material medallion combines aluminum, TPU (Thermoplastic Polyurethane) and acrylic foam. These lightweight materials damp vibrations to promote a softer, more responsive feel that is not normally found in a game improvement iron.

KING f9 Speedback

CNC MILLED
FACE AND GROOVES.

CNC milling is a highly precise manufacturing method that is typically only found in forged player's irons. This process allows us to create perfectly flat faces, and precise lofts and groove shapes in every iron we manufacture.

CNC Milled face driver

Progressive
spin technology.

Progressive groove shapes are CNC milled into each face to optimize spin performance in the long irons, mid-irons and wedges.

4-7i MILLED V-GROOVES

4-7i
MILLED V-GROOVES

CNC milled V-grooves reduce spin for increased distance and flight time.

8i-PW MILLED U-GROOVES

8i-PW
MILLED U-GROOVES

CNC milled U-Grooves optimize spin for improved control and accuracy.

GW-SW WEDGE GROOVES

GW-SW
WEDGE GROOVES

Tighter-spaced, U-grooves increase spin for improved precision around the green.

Progressive
hosel lengths.

Progressive groove shapes are CNC milled into each face to optimize spin performance in the long irons, mid-irons and wedges.

CNC Milled face driver

PRACTICE SMARTER.
IMPROVE FASTER.

COBRA CONNECT grips feature embedded sensors that work in conjunction with the Arccos Caddie mobile app - the award-winning connected golf system that helps players of all skill levels make smarter, data-driven decisions and shoot lower scores.

Learn More
Cobra Connect Logo
Cobra Connect Irons

GET BETTER, FASTER.

Leverage the power of data to take your game to the next level. Arccos Caddie users improved their handicaps 36.4 times faster than the average golfer.

TOUR ANALYTICS IN YOUR POCKET.

COBRA CONNECT™ analyzes every aspect of your game, while providing you with advanced GPS distances to any point on the course so you can make smarter shot decisions.

ELIMINATE THE GUESSWORK

Know true distance averages for every club in your bag as well as your strengths and weaknesses so you can hit more greens and lower your scores.

SEAMLESS TECHNOLOGY.

Lightweight COBRA CONNECT™ sensors are seamlessly embedded in the end of each grip to ensure comfort during the swing, without affecting weighting or performance.

CONNECT YOUR
ENTIRE SET.

With your purchase of a set of KING F9 SPEEDBACK irons, you will receive your choice of FREE additional Arccos Caddie Smart Sensors or COBRA CONNECT grips so you can connect your entire bag (from your driver to putter) and experience your first set of Smart Clubs.

How to redeem:

  1. Purchase a set of KING F9 SPEEDBACK irons.
  2. Download the Arccos Caddie app on your mobile device.
  3. Follow the instructions through the Arccos Caddie app to redeem your FREE Cobra Connect grips or Smart Sensors.

Download Arccos Caddie:

Arccos Caddie
Arccos Caddie Apple Arccos Caddie Google
Track And Tune

Specifications

SET COMPOSITION - 7 Clubs

  • Graphite: 5-GW, 6-SW

Iron Loft Lie
Angle
Offset
(mm) 
Length with
COBRA CONNECT
Length with
Standard Grip
Swing
Weight
Stock
Flex
RH/LH
5 22.0° 62.5° 4.6 37.75" 37.50" C3 Ladies RH/LH*
6 25.0° 63.0° 3.9 37.00" 36.75" C3 Ladies RH/LH*
7 28.5° 63.5° 3.2 36.50" 36.25" C3 Ladies RH/LH*
8 33.0° 64.0° 2.6 36.00" 35.75" C3 Ladies RH/LH*
9 38.0° 64.5° 2.0 35.50" 35.25" C3 Ladies RH/LH*
PW 43.5° 65.0° 1.5 35.25" 35.00" C3 Ladies RH/LH*
GW 49.0° 65.0° 1.0 35.00" 34.75" C4 Ladies RH/LH*
SW 54.0° 65.0° 1.0 34.75" 34.50" C5 Ladies RH/LH*
*LH Custom Only

Shafts


ATMOS 60
ModelFlexShaft WeightKick PointTrajectorySpinTip Diameter
Fujikura ATMOS 5 Ladies 58g Low High High 0.370

Grips

COBRA Lamkin Crossline Connect

Women's COBRA Lamkin Crossline Connect - Black

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