Mizuno JPX21 Irons

Garry Lacy

New Member
Joined
Apr 9, 2021
HCP
+1
Local club/country
United Kingdom
Irons
JPX921 4 to GW
Driver
Taylormade M4 8.5 Tensai S
#1
Just received my JPX21 Irons and they appear to be C9 swing weight.

Is that standard as they feel very light.

Grateful for any feedback


Garry
 
Likes: Golf159

WalkerCup

Well-Known Member
Joined
May 5, 2016
Location
British Isles
HCP
Scratch
Local club/country
British Isles
Irons
Mizuno JPX 921 Forged 4-PW KBS Tour 120 Stiff , 3 Deg up plus 1”
Driver
Ping G425 Max 10.5 HZRDS Blue Stiff
#2
Standard Spec Swingweight is around D2?? Mizuno have B heads which are lighter so that over length shafts can be installed and a circa D2 Swingweight achieved , unless you require different.

You can weigh each iron in grams or Oz and then from the balance point measure the length to the grip end /cap in inches and deduct 14 inches and then multiply this figure by the weight.

There is a comparisons table available to see what the swing weight is.

https://www.tutelman.com/golf/design/swingwt4.php

Mizuno and Ping two of the manufacturers that are really on the money with tolerances, doubt your irons will be C9 unless you ordered the that way
 

Golf159

New Member
Joined
May 29, 2021
HCP
12
Local club/country
United Kingdom
Irons
JPX921
Driver
Titleist 915
#3
Just received my JPX21 Irons and they appear to be C9 swing weight.

Is that standard as they feel very light.

Grateful for any feedback


Garry
I have just purchased a used set with modus 3 105 shafts & they are C8/C9 measured on a Golfsmith balance scale.
 
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