At .65 mm gauge, the Yonex BG-66 Ultimax badminton string is one of the thinnest strings on the market and is a perfect balance of high repulsion, maximum power, control, and durability. This string is used by many professional badminton players. Depending on your stringing technique, you can string up to 23 rackets with a 200-meter reel
Features:
- Gauge: 0.65mm / 22 gauge
- Material: High-Intensity MULTIFILAMENT
- Color: Pearl White/Reel
- Made in Japan
- Length: 200 Meter ( 660 Feet )
- High Repulsion
- Medium Feeling
BG 66 Ultimax Badminton String Map

High-Intensity Filament
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.

Where we ship
We ship within the United States, including U.S. territories and APO/FPO addresses, from Schaumburg, Illinois. We do not offer international shipping.
Handling before shipment
- Standard items: allow 1 business day (24 hours) for handling before shipment.
- Custom-strung rackets: allow 2 business days (48 hours) for handling before shipment.
- Orders placed after 2 p.m. Central Time on Friday usually ship Monday; custom stringing requires its full handling time. Holidays may affect dispatch.
Standard transit after shipment
- Continental U.S.: 3–4 business days.
- Alaska, Hawaii and U.S. territories: 5–7 business days.
Transit estimates are in addition to handling time and are not guaranteed. Contact us for APO/FPO delivery estimates. Expedited 2-day and 3-day services are available for eligible addresses; handling time still applies.
Where we ship
We ship within the United States, including U.S. territories and APO/FPO addresses, from Schaumburg, Illinois. We do not offer international shipping.
Handling before shipment
- Standard items: allow 1 business day (24 hours) for handling before shipment.
- Custom-strung rackets: allow 2 business days (48 hours) for handling before shipment.
- Orders placed after 2 p.m. Central Time on Friday usually ship Monday; custom stringing requires its full handling time. Holidays may affect dispatch.
Standard transit after shipment
- Continental U.S.: 3–4 business days.
- Alaska, Hawaii and U.S. territories: 5–7 business days.
Transit estimates are in addition to handling time and are not guaranteed. Contact us for APO/FPO delivery estimates. Expedited 2-day and 3-day services are available for eligible addresses; handling time still applies.

