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Coupang delivers inside Korea only, so we link to the brand’s own page instead. The price above is the Korean retail price.
Hammond Z2
A bulkhead sponge and natural-rich sheet give outstanding reaction speed. Its strengths are counters that use the opponent's spin and drives that land deep even from away from the table.
About this product
Same family as Hammond CR but far firmer at 40 degrees (German 50), with much higher figures — spin 13, speed 16.
Two rubbers sharing a name sit at 32.5 and 40, and that is a wide gap. Moving from CR to Z2 is not a single adjustment but a change of rubber in practice. Change one side at a time, as you would when changing thickness or brand.
Speed of 16 is second only to Genection (16.5) in the Nittaku range, at ₩93,000 — ₩45,000 less. It is a reasonably priced way into the upper tier of tensor performance.
It assumes a swing that can compress 40 degrees. When the sponge on Hammond CR starts bottoming out under a full stroke, that is the moment to move.
What the numbers say
Inverted, 40° (50° German scale) sponge. Its speed of 9.7 ranks 2 of 23 rubbers, among the very highest. The other axes sit at a similar level, so the profile is well balanced. Based on the manufacturer’s published figures.
This paragraph is not a copied review — it is generated from the figures and rankings collected on this site, and changes when they do.
Where this rubber sits among Nittaku inverted rubbers
Speed and spin figures Nittaku publishes for 14 of its inverted rubbers. Nittaku does not state a maximum, so read this as relative position within the family. Further right is faster; higher means more spin. Other brands use different scales and are not mixed in.
Manufacturer figures
Nittaku official (scale maximum not published)· bar shows position among products on the same scaleEach brand uses its own scale, so these numbers cannot be compared directly across brands
Full specifications
| Surface type | Inverted |
| Tackiness | Non-tacky |
| Sponge hardness | 40° (50° German scale) |
| Thickness options | MAX / Extra thick (1.9-2.1mm) / Thick (1.7-1.9mm) / Medium (1.4-1.7mm) |
| Colours | Red / Black |
| Made in | Japan |
Comparisons featuring this product
Blades that pair with this rubber
Real player setups and level-based recommendations come first.

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Carbon with devastating powerPrimorac Carbon
3-ply + 2 carbon plies
(1)A fast blade — matched with high-power rubbers
The fastest blade in the Butterfly rangeSardius
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Used by the Chinese national teamHurricane King ac.B (Xiang Peng)
5-ply + 2 blue-black AC carbon plies
A fast blade — matched with high-power rubbers