Yonex Nanoray Z-Speed vs Duora Z-Strike: a legacy speed-attack comparison worth understanding
Two of Yonex's most distinctive small-frame attack rackets — the 2013 NR-ZSP that set a 493 km/h smash record, and the 2017 DZS that paired a box-aero asymmetric frame. Both legendary, both out of production.
Model
| Duora Z Strike | Nanoflare Z Speed Plus | |
|---|---|---|
| Balance (strung + overgrip) | 290 mm | 300 mm |
| Spec | 3U G5 | 3U G5 |
| Weight (strung + overgrip) | 98.4 g | 98.1 g |
| Shaft stiffness | extremely stiff | extremely stiff |
| Frame | dual-face (box front, aero back) | compact fluid aero |
| Tech | DR dense nano carbon | ISO square head + EX-HMG |
| MSRP | ¥1680 | ¥1880 |
Overview
1. Arcsaber Z shrank the frame on the original series and greatly raised shaft stiffness — speed-offence to the extreme. 2. VT-Z Force blended offence and control. 3. VT-Z Force II shrank the frame further, raised balance and frame stiffness, scared off plenty of amateurs — yet still became a forum must-recommend "pay for faith" starter racket. 4. Nanoflare Z Speed Plus cut frame thickness to a new low, reduced cross-section drag for swing speed, stayed mobile even with high balance point. 5. Duora Z Strike kept the Z series' small-frame concentration, fused dual-face frame tech, shortened the shaft, lengthened the handle for control, raised the entry bar again. Yonex always seems to push a line to its performance peak — for amateurs that means ultimate experience and a real ability test. 6. Astrox 100ZZ pushed Yonex shaft thinness to the limit — explosive catapult feel. Since Arcsaber Z debuted, Yonex rackets and shoes treat "Z" as something special — anime and film fans know Japan's obsession with the letter. If last time's ancient artifact Duora Z Strike still was not ancient enough, Chen Long's lab-record 493 km/h smash on Nanoflare Z Speed Plus should get you hyped. Broken last March when Lakshya Sen's Nanoflare 1000Z hit 565 km/h in the Yonex lab. Duora Z Strike at a bargain price was not your limit; missing Nanoflare Z Speed Plus at a similar steal is what should hurt — back then the market was full of fakes; without a sharp eye you got no bargain. Among Z-series paint jobs, Nanoflare Z Speed Plus is the most recognisable — even a decade later, old fluorescent orange and later caterpillar green still look fresh. Small face, weak defence, low forgiveness — I recommend Nanoflare Z Speed Plus more for explosive singles players who play control-offence. Duora Z Strike short-shaft setup can work for doubles too — but recommending either is pointless if you missed the bargain era: cry with me. On Nanoflare Z Speed Plus reissue feel, many say old colour hits better than new — I agree. Old feels stiffer and "opens up" mysteriously over time; new colour plays a notch softer; even old-colour reissues did not fully restore the blast. No wonder Yonex reissues — whether AT700 or Arcsaber 10 — struggle to recapture original glory. Maybe that is racket faith.
On-court feel
Classic small-frame, long-shaft design — Nanoflare Z Speed Plus lives in the Nanoray speed line mainly because its face is small enough. At 300 mm balance it still swings fast. Small frame plus small sweet spot is a nightmare pairing; entry only slightly easier than the devilish dual-face Duora Z Strike.
Swing speed: Nanoflare Z Speed Plus > Duora Z Strike
Both small-head frames. Thin-wall Z Speed Plus has no sharp diamond aero sculpting, yet at 300 mm balance it stays extremely fast — that is Z small-frame at work. Early on, Duora Z Strike frustrates players who like to rotate the racket; on serve you keep glancing at the frame. Dual-face difference is subtle but absolutely affects feel.
Shaft stiffness: Duora Z Strike > Nanoflare Z Speed Plus
Duora Z Strike is stiffer — longer handle boosts control, especially front-court flat drives feel precise. On an already ultra-stiff shortened shaft, feedback is extreme. Nanoflare Z Speed Plus feels hard on clears too, yet at 223 mm the shaft is long enough — fully prepared smash shows clear flex; at head brake you often get whip-like end contact. For concentration and whip, these are the best I have hit, bar none.
Offence: Nanoflare Z Speed Plus > Duora Z Strike
Offensive section that matters most — both attack through fast bursts, small-frame whip and concentration. Prepared full smash or short tap with sudden stop: Nanoflare Z Speed Plus feels explosive and satisfying — confidence that even if they pick up this shot, I can keep smashing and rushing the net.
Defence / escape: Duora Z Strike ≥ Nanoflare Z Speed Plus
If offence is shared strength, defence is where we cry together. Small frames nightmare for weak defenders — sweet spot shrinks, face smaller, forgiveness drops. Small-frame racket is training and a test. Best defence is offence.
Z-series traits
1. Inherited small frame demands power — early framing common, long adaptation. 2. Sweet spot contracts and concentrates — once adapted, burst is scary, offence sharp. 3. Small frame swings fast, plays flexible, but forgiveness low, defence suffers. 4. Hard frame, hard shaft, vivid feedback, strong directional control.