Yonex BG66 Ultimax 200m - 0.65 mm Badminton String

Badminton String Yonex BG 66 – Precision & Power at Professional Level

The Yonex BG 66 is Yonex's thinnest badminton string – designed for players seeking maximum control, fine feel , and explosive returns . With a diameter of just 0.65 mm, the BG 66 delivers impressive precision and excellent repulsion – ideal for technically skilled tournament players.

Product advantages at a glance

• Only 0.65 mm – maximum feedback & ball control
• High-intensity multifilament for sensitive feel
• Longer voltage stability due to high-quality sheathing
• Excellent shock absorption with high power
• Proven in offensive, precise playing style
• 200 meter roll – ideal for frequent players & stringing services
• Colour: metallic white, yellow, pastel green, blue

Technical data

• Diameter: 0.65 mm
• Length: 200 m (roll)
• Material core: high-intensity multifilament nylon
• Sheath: Specially braided high-polymer nylon
• Game characteristics: Power & Touch
• Recommended string tension: approx. 8.5–11 kg (≈ 19–24 lbs)

Do you want to know which Yonex badminton string suits your playing style?

In our video we show you the differences between BG80, BG65, Exbolt, Aerobite & BG66 – including recommendations for string tension.

FAQ – Frequently asked questions about the Yonex BG 66 string

Which type of player is the BG 66 suitable for?
The string is ideal for advanced to professional players with a technical playing style who value precision, feedback and touch.

How often should you change the BG 66?
With regular practice, every 3–5 weeks. Due to its thinness, it's not quite as durable as thicker strings, but it's significantly more precise.

Is the string also suitable for hobby players?
For beginners, we recommend the BG65 – but if you are looking for a particularly fine playing feel, the BG 66 is a high-quality option.

What color is the string?
This version is yellow – the BG 66 is available in other colors (depending on availability).

Processing — Orders are processed within 1–2 business days (excluding Sundays and public holidays).

Delivery Times — Austria: 3–4 business days | Germany: 3–5 business days | France: 4–7 business days | European Union: 4–7 business days | Switzerland & Liechtenstein: 4–7 business days | Worldwide 1 (Europe non-EU, UK): 5–14 business days | Worldwide 2 & 3: 5–14 business days

Shipping Costs — Austria: €5.90 (free from €100) | Germany: €7.90 (free from €100) | France: €9.90 (free from €100) | European Union: €9.90 (free from €100) | Switzerland & Liechtenstein: €14.90 | Worldwide 1: €14.90 | Worldwide 2: €34.90 | Worldwide 3: €39.90

International Orders — Prices for orders outside the EU are exclusive of local taxes and customs duties. These may be charged upon import and are to be borne by the recipient.

Shipping Partners & Tracking — We ship with reliable carriers such as UPS and DHL. International orders are shipped via DHL International. If home delivery is not available, your parcel will be delivered to the nearest pickup point. You will receive a shipping confirmation email with a tracking link once your order has left our warehouse.

You can find more detailed information about shipping zones and delivery conditions on our shipping page.