---
product_id: 513078226
title: "Badminton String BG 66 Ultimax |Blue |Gauge 0.65mm|Quik Repulsion"
brand: "yonex"
price: "¥5688"
currency: JPY
in_stock: true
reviews_count: 5
category: "Yonex"
url: https://www.desertcart.jp/products/513078226-badminton-string-bg-66-ultimax-blue-gauge-0-65mm-quik
store_origin: JP
region: Japan
---

# Quik Repulsion for explosive shuttle speed 0.65mm ultra-thin gauge for precision 30% more durable high-intensity nylon core Badminton String BG 66 Ultimax |Blue |Gauge 0.65mm|Quik Repulsion

**Brand:** yonex
**Price:** ¥5688
**Availability:** ✅ In Stock

## Summary

> 🎾 Elevate your game with Yonex BG 66 Ultimax – where speed meets precision!

## Quick Answers

- **What is this?** Badminton String BG 66 Ultimax |Blue |Gauge 0.65mm|Quik Repulsion by yonex
- **How much does it cost?** ¥5688 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/513078226-badminton-string-bg-66-ultimax-blue-gauge-0-65mm-quik)

## Best For

- yonex enthusiasts

## Why This Product

- Trusted yonex brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Speed Demon:** Quik Repulsion technology propels your shuttle faster, giving you the winning edge.
- • **Built to Last:** High-intensity nylon core boosts durability by 30%, so your string stays game-ready longer.
- • **Feel the Power:** High-polymer nylon outer layer offers sharp feedback and superior shuttle response.
- • **Precision Perfected:** Ultra-thin 0.65mm gauge delivers unmatched control and finesse on every shot.
- • **All-Round Excellence:** Balanced blend of speed, control, and durability trusted by top pros worldwide.

## Overview

Yonex BG 66 Ultimax badminton string features an ultra-thin 0.65mm gauge and advanced Quik Repulsion technology, delivering exceptional speed, control, and 30% enhanced durability with its high-intensity nylon core. Engineered in Japan and favored by top players, this blue string offers a sharp, responsive feel for competitive play.

## Description

Yonex Developed in Japan

Review: Great
Review: Good

## Features

- The BG 66 Ultimax has a 0.65mm thin gauge and the perfect balance of maximum speed, control and durability, making it the best choice for the world's top players
- High repulsion
- Medium feeling
- The high-intensity nylon core gives 30% greater durability than normal nylon while a high-polymer nylon outer provides sharp feeling and high repulsion - exceptional all-round performance from an extra-fine string

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BN42QVLX |
| Batteries Included? | No |
| Best Sellers Rank | #139,477 in Sporting Goods ( See Top 100 in Sporting Goods ) #349 in Racket Strings |
| Brand | YONEX |
| Color | Blue |
| Customer Reviews | 3.8 3.8 out of 5 stars (54) |
| Date First Available | 6 January 2023 |
| Department | Unisex-Adult |
| Included Components | 1 Badminton String |
| Manufacturer | YONEX |
| Material Type | Nylon |
| Product Dimensions | 9 x 6 x 1 cm; 25 g |

## Images

![Badminton String BG 66 Ultimax |Blue |Gauge 0.65mm|Quik Repulsion - Image 1](https://m.media-amazon.com/images/I/61xX6mwvzzL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by V***O on 21 December 2025*

Great

### ⭐⭐⭐⭐ Review
*by J***E on 5 December 2025*

Good

### ⭐⭐⭐ Review
*by S***Y on 15 November 2025*

I used it for my Yonex muscle power 29 lite badminton racket, keeping tension at 24 lb. On hitting the shuttle, the string sounded abnormal, and the racket broke within 2 minutes.

## Frequently Bought Together

- Yonex Badminton String BG 66 Ultimax |Blue |Gauge 0.65mm|Quik Repulsion
- YONEX BG Exbolt 65 Badminton String
- YONEX BG 65 TI Badminton Racket String (10M Set)

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**Shop now:** [https://www.desertcart.jp/products/513078226-badminton-string-bg-66-ultimax-blue-gauge-0-65mm-quik](https://www.desertcart.jp/products/513078226-badminton-string-bg-66-ultimax-blue-gauge-0-65mm-quik)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-25*