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KING SPEEDZONE ONE Length Irons

The ONE Length counterpart of the SPEEDZONE irons are designed to 7-iron length (37.50") through the set to promote one repeatable setup and swing between clubs for more consistency and accuracy.

$799.00

Availability: In stock

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$799.00
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STEP INTO THE SPEEDZONE

See how we made our fastest irons.

PLAY VIDEO
SPEEDZONE. OUR FIRST EVER CARBON FIBER TOPLINE, PWRSHELL TECHNOLOGY AND SPEEDBACK SHAPING DELIVERS MAXIMUM SPEED, POWER AND FORGIVENESS.
Speedzone Irons Hero
Speedzone Logo

SPEEDZONE. FOUR ZONES OF OPTIMIZED SPEED.

Flex Zone
Power Zone
Stability Zone
Feel Zone
1
CARBON FIBER TOPLINE
LIGHT ZONE
2
FORGED PWRSHELL FACE
POWER ZONE
3
SPEEDBACK SHAPING
STABILITY ZONE
4
CO-MOLD MEDALLION
FEEL ZONE
Consistent Set Up
And Swing.

Each ONE Length iron is designed to match 7-iron length and weighting to deliver one repeatable swing, and consistent trajectories and gapping throughout the set.

Bryson Dechambeau Plays SZ One Length Irons
CARBON FIBER TOPLINE Pwrshell Face Speedback Shape Co-mold Medallion

CARBON FIBER TOPLINE

SPEED STARTS AT THE TOP

Carbon fiber has a higher strength to weight ration than steel, and saves 3 grams to lower the CG and maximize ball speed.

CARBON FIBER TOPLINE

FORGED PWRSHELL FACE

PWRSHELL BRINGS THE DISTANCE

A forged PWRSHELL face insert features a 35% larger Sweet Zone area, and a 8% deeper undercut to enhance ball speed and launch across the face.

FORGED 455 SS FACE INSERT

SPEEDBACK SHAPE

MORE STABILITY ON OFF-CENTER HITS

Extreme heel and toe weighting creates a lower CG and a higher MOI than most traditional iron shapes allow.

Speedback Shape

CO-MOLD MEDALLION

EXCELLENT SOUND AND FEEL

A lightweight medallion features aluminum, TPU, and acrylic foam that work together to damp vibrations for excellent sound and feel.

Co-mold Medallion

Cobra Connect

Connect and Improve with true artificial intelligence.

The SPEEDZONE family of clubs each feature an Arccos embedded grip sensor that pairs with the Arccos Caddie app on your mobile device. Arccos Caddie leverages golf's richest data to help players make smarter shot making decisions.

Learn More
Cobra Connect
Powered By Arccos
Cobra Connect Devices

TOUR AFTERMARKET
SHAFT OFFERINGS.

SZ Hybrid Shafts

UST RECOIL 460, 480 ESX (GRAPHITE)

A stiffer mid and butt produce better shot control while a softer tip improves feel and trajectory.

KBS TOUR 80 (STEEL)

The lightest shaft in the KBS Tour line and is designed for players seeking higher trajectory, additional spin and maximum distance. Featured in the ONE Length 4-6 irons.

KBS TOUR 90 (STEEL)

Designed for players seeking high trajectory, additional spin and maximum distance. Featured in the 7-9 irons.

KBS WEDGE (STEEL)

A heavier 120 gram wedge shaft is featured in the ONE Length PW-SW and promotes a lower ball flight for more precision around the green.

Specifications

STOCK SET COMPOSITION - 7 Clubs

  • Steel: 5-GW


Club Loft Lie Angle Offset COBRA CONNECT
Length
Length Graphite
Swing Weight
Steel
Swing Weight
Graphite
Shaft Flex
Steel
Shaft Flex
RH/LH
4 19.5° 65.00° 6.0 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
5 22.0° 64.50° 5.1 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
6 24.5° 64.00° 4.2 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
7 27.5° 63.5° 3.2 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
8 32.0° 63.0° 2.7 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
9 37.0° 62.50° 2.1 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
PW 42.5° 62.0° 1.5 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
GW 48.0° 61.50° 1.0 37.50" 37.25" D0 D1 S, R, A S, R RH/LH
SW 54.0° 61.50° 0.5 37.50" 37.25" D0 D1 S, R, A S, R RH/LH

Shafts


Graphite

4 Iron - 9 Iron UST Recoil ESX 460
ModelFlexShaft WeightKick PointTorqueLaunchSpinTip Diameter
UST Recoil ESX 460 Stiff (F4) 67g Low-Mid 4.6 High Mid 0.370
UST Recoil ESX 460 Regular (F3) 65g Low-Mid 4.7 Mid-High Mid 0.370
UST Recoil ESX 460 Lite (F2) 63g Low-Mid 4.8 Mid-High Mid 0.370
PW - SW UST Recoil ESX 480
ModelFlexShaft WeightKick PointTorqueLaunchSpinTip Diameter
UST Recoil ESX 480 Stiff (F4) 75g Low-Mid 4.6 High Mid 0.370
UST Recoil ESX 480 Regular (F3) 72g Low-Mid 4.7 Mid-High Mid 0.370
UST Recoil ESX 480 Lite (F2) 69g Low-Mid 4.8 Mid-High Mid 0.370

Steel

4 Iron - 6 Iron KBS Tour 80
ModelFlexShaft WeightKick PointTrajectorySpinTip Diameter
KBS Tour 80 Stiff 100g Mid-Low Mid-High Mid 0.370
KBS Tour 80 Regular 100g Mid-Low Mid-High Mid 0.370

7 Iron - 9 Iron KBS Tour 90
ModelFlexShaft WeightKick PointTrajectorySpinTip Diameter
KBS Tour 90 Stiff 102g Mid-Low Mid-High Mid 0.370
KBS Tour 90 Regular 95g Mid-Low Mid-High Mid 0.370

PW - SW KBS Wedge
ModelFlexShaft WeightKick PointTrajectorySpinTip Diameter
KBS Wedge Stiff 120g Mid-Low Mid-High Mid 0.370
KBS Wedge Regular 110g Mid-Low Mid-High Mid 0.370

Grips

COBRA Lamkin Crossline Connect

COBRA Lamkin Crossline (58+) Connect - Blue / Red

Customer Reviews 1 item(s)

The New SZ Irons
Rating
Review by pkincy - 1/25/2020

Another great set of one length irons from Cobra Golf. Each year they keep getting better. The F7s were good, the F8s better, and the F9s were a huge improvement over the F8s. After two rounds with the new 2020 Speed Zones I think that Cobra has again fouind a way to continue to improve their lead in One Length clubs. The big change was from the F8 to the much wider sole on the F9s, but the SZs continue that wide sole, the toe and heel tungsten weights and have found a way to again make each successive set more foregiving and to keep the iron distance between clubs to the desired 10-12 yards per club.

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