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Mizuno · Q series · Inverted

Q1

A controlled tension inverted rubber intended as an accessible entry into the Q series. It provides a forgiving arc and balanced speed and spin for developing offensive players.

Officially listed83JRT291

Official Mizuno specifications

Official Mizuno data from the current Japanese product listing: sponge hardness, published thicknesses, colours and retail price in JPY.

Series
Q series
Category
Inverted
Product code
83JRT291
Official sponge hardness
44°
Hardness scale
Official Mizuno sponge degree (no named laboratory standard)
Published thicknesses
1.7 mm (Chu) · 1.9 mm (Atsu) · 2.1 mm (Tokuatsu)
Published colours
Black · Red
Technologies
TENSION TOPSHEET · LONG INNER PIMPLE GEOMETRY
Country of manufacture
Japan
Ball type
Standard 40+
Lifecycle status
Officially listed
Stock
Not tracked
Last verified
1 August 2026

Mizuno publishes a sponge degree without naming a laboratory standard, so it is shown as a Mizuno sponge degree and never relabelled Shore A, Shore C, ESN or Chinese hardness. Stock availability is not tracked in this snapshot. A sold-out product is never treated as discontinued.

TTDNA ratings

Speed79
Spin85
Control92
Power75
Grip65
Tackiness3
Arc88
Catapult52
Throw angle79
Elastic66
Spin sensitivity69
Short game71
Blocking74
Backhand flip80
Counterloop83
Opening loop87
Chop64
Serve74
Service receive82
Difficulty57
Beginner friendly52
Durability74

TTDNA values are TTDNA's own 0-100 profiles. They are never an official Mizuno rating and never a conversion of one.

Physical characteristics

Hardness64
Grip75
Tackiness3
Throw angle88
Catapult57
Dwell time41
Elasticity44
Energy return55
Durability77

Playing characteristics

Opening loop77
Loop drive74
Counterloop72
Blocking75
Active block67
Punch block62
Flat hit61
Smash68
Flick67
Short game66
Serve55
Serve receive71
Chop64

Player fit

Professional difficulty49
Beginner friendly60
Offensive rating74
Allround rating69
Defensive rating65

Variants and configurations

6 variants

Colour, thickness and configuration are variants of one model — never separate products. Colour never changes a rating, MAX and OX stay qualitative labels, and OX carries no sponge hardness.

Black · 1.7 mm

中 (Chu) · Sponged · 44°

Speed 73 · Spin 82 · Control 97

Black · 1.9 mm

厚 (Atsu) · Sponged · 44°

Speed 76 · Spin 84 · Control 95

Black · 2.1 mm

特厚 (Tokuatsu) · Sponged · 44°

Speed 79 · Spin 85 · Control 92

Red · 1.7 mm

中 (Chu) · Sponged · 44°

Speed 73 · Spin 82 · Control 97

Red · 1.9 mm

厚 (Atsu) · Sponged · 44°

Speed 76 · Spin 84 · Control 95

Red · 2.1 mm

特厚 (Tokuatsu) · Sponged · 44°

Speed 79 · Spin 85 · Control 92

Surface classification

Grippy

Surface classification is a TTDNA editorial classification, not an official Mizuno metric.

Technology

TENSION TOPSHEET
A pre-tensioned topsheet construction used across the Q series.
LONG INNER PIMPLE GEOMETRY
A longer internal pimple geometry intended to make speed and spin easier to generate at moderate impact.

Price

Official Japanese retail price
JPY 4,950 · Japan · 2026-08-01

Prices are the official Japanese retail price in JPY at the time of the snapshot. No currency is converted.

Player fit

Skill levels
Beginner · Intermediate
Play styles
Allround · Controlled offense · Topspin offense
Aliases
83JRT291

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Known users

Offensive club and league players who want a spin-first inverted sheet on the forehand or backhand.

Mizuno publishes no athlete roster for this sheet, so TTDNA shows the player profile it is built for instead of invented names.

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