Light weight and strength have been mutually exclusive. Reducing the weight of steel has lowered its strength, increased the likelihood of breakage and reduced the pliability required to make dynamic shots. Two years ago, however, we committed ourselves to solving this dilemma by developing a new type of steel. Even though stronger steel commonly decreases flexibility, and greater flexibility commonly decreases strength, we set our minds on developing a steel material that would deliver both greater strength and greater flexibility. After a long, arduous struggle of trial and error, we finally developed a new material that offers impressive light weight, strength and tenacity — NZNS60.

We then concentrated our efforts on maximizing the new material’s potential and invested our technological expertise, gained through extensive experience, to develop a ‘light and pliable steel shaft’. After two years of continuous development effort, we proudly introduce a new Nippon Shaft ultra-lightweight steel shaft category!

Easy to handle with an extremely smooth swing and gentle touch, combined with the exact swing characteristics of a graphite iron shaft.

The stunning result is the N.S. PRO ZELOS 7, a new breed of shaft category that dispels the notion that “steel shafts lack shot distance in lieu of trajectory.” This extraordinary steel shaft combines world-leading light weight with sufficient flexibility and a low kick point that contributes to stable trajectory. Generating trajectory without power loss, its sweet spot keeps the launch at the right height for each club to ensure accuracy and stability.

FLEX
LENGTH INCH
(IRON #)
WEIGHT
(G)
BALANCE
POINT
(%)
TORQUE
(°)
KICK POINT
SHAFT
DIAMETER
(IN)
Butt
Tip
R2 = AI-3B14PRO
38.5~35.0(#3~#W)
73.5
51.6
2.9
Tip
0.570
0.355
R = RI-3B14PRO
74.0
2.8
S = SI-3B14PRO
77.5
2.6

BACKGROUND

Inspired by ZELOS, the Greek god of rivalry, the name ZELOS was chosen to encourage competitiveness among steel-shaft users who relentlessly seek progress.

N.S. PRO ZELOS 7 is designed with a low kick point and evenly distributed rigidity, which delivers more than ample flexibility from tip to butt. As the world’s lightest steel shaft, ZELOS7 is easy to handle with an extremely smooth swing and gentle touch, combined with the exact swing characteristics of a graphite iron shaft model.

N.S. PRO ZELOS 7 employs newly developed, cutting-edge, high-intensity NZNS60 material that outperforms all other patented materials used in N.S PRO competitors’ steel shafts. In fact, it delivers the smooth control and performance of high-carbon material. The superior performance of its newly developed material contributes to a more stable swing and definitive impact.

NS ZELOS 7S 7 IRON SHAFT DEMO

NSZ7S-7D
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