Quick Verdict
Yonex BG 66 Ultimax is a high repulsion badminton string for players who want fast response, sharp feel and a medium string feel from a very thin 0.65 mm gauge.
What This Product Is Used For
Yonex BG 66 Ultimax is a badminton string designed for players who want quick repulsion, sharp response and strong all round performance on court. Compared with a thicker badminton string, this 0.65 mm option is built to feel faster and more lively through the racket. The high intensity nylon core and high polymer nylon outer are designed to balance maximum speed, control and durability, which makes it a more performance focused choice than a more basic string setup. Players choose it over simpler options because it aims to deliver a quicker hitting feel without giving up all round usability.
Who This Product Is Best Suited To
This product is best suited to players who want a more responsive racket feel, enjoy faster exchanges and care about string performance rather than just a basic replacement. It suits people who want a medium feeling string with high repulsion and a sharper response during regular games and more competitive play.
Key Benefits at a Glance
• Thin 0.65 mm gauge helps create a quicker and more lively response
• High repulsion supports faster shuttle speed and a sharper hitting feel
• Medium feeling gives a balanced and reliable response on court
• High intensity nylon core adds 30% greater durability than normal nylon
• High polymer nylon outer helps provide sharp feeling and strong repulsion
• All round performance makes it a practical choice for players who want speed, control and durability together
• Made in Japan for buyers who value clear product origin details
Pros and Cons
Pros
• Quick repulsion helps make shots feel faster and more responsive
• Thin gauge gives a sharper and more satisfying contact feel
• Strong all round design balances speed, control and durability well
Cons
• 0.65 mm gauge may not suit players who prefer a thicker string feel
• This string is aimed at performance focused players rather than basic restringing needs
Real World Performance and Day to Day Use
In day to day use, Yonex BG 66 Ultimax is built for players who want their racket to feel quicker and more alive during play. The 0.65 mm thin gauge is one of the most important details here because it directly supports the high repulsion and sharper feel described in the product information. The high intensity nylon core is said to provide 30% greater durability than normal nylon, while the high polymer nylon outer is designed to add both sharp feeling and high repulsion. One common buying worry with thinner strings is whether they will feel too extreme or too fragile, but the stated medium feeling and all round performance make this sound like a more balanced option than a purely specialist setup.
Choose this if
You want a fast feeling badminton string with high repulsion, a thin gauge and a medium response for more confident shot making.
Skip this if
You want a thicker feeling string or only need a basic durable restringing option with less focus on lively response.
Why We Like This Product
The YPC.co.uk Team likes this because it gives players a noticeably sharper and more responsive stringing option, while helping buyers avoid the mistake of choosing a plain string when they really want more speed and feel from the racket. It also reduces the regret of picking a string that feels dull when a thinner high repulsion setup would have suited their game better.
Comparisons With Similar Systems
Compared with thicker badminton string
Better when
You want a quicker response and a sharper feel from a 0.65 mm string.
Alternative better when
You prefer a thicker string feel and do not want a very thin gauge setup.
Compared with durability focused badminton string
Better when
You want high repulsion, speed and sharper feel in a more performance focused package.
Alternative better when
You want a string choice built more heavily around long term toughness than lively response.
Alternatives Worth Considering
Thicker badminton string
Durability focused badminton string
Control focused badminton string
Soft feel badminton string
Tips for Getting the Best Performance
Choose this string when you want a quicker and sharper racket response rather than a heavier feeling setup.
Use it as a performance upgrade if speed, control and repulsion matter more to you than a very basic restring.
Pick the Blue version if you want this exact colour option for your racket setup.
Use it for regular play where a lively all round string can make a noticeable difference.
Full Technical Specification
Brand
Yonex
Model
BG 66 Ultimax
Product Type
Badminton string
Colour
Blue
Gauge
0.65 mm
Performance Feature
High repulsion
Feel
Medium feeling
Core Material
High intensity nylon core
Outer Material
High polymer nylon outer
Durability Claim
30% greater durability than normal nylon
Performance Description
Sharp feeling
High repulsion
Exceptional all round performance
Country of Origin
Japan
Buyer’s Guide
Buy this if you want faster response, easier repulsion and a sharper medium feel from a thin performance string.
Do not buy this if you want a thicker simpler string with stronger focus on basic durability and a less lively feel.
Frequently Asked Questions
What type of string is Yonex BG 66 Ultimax?
Yonex BG 66 Ultimax is a badminton string designed for high repulsion, sharp feel and all round performance.
What gauge is Yonex BG 66 Ultimax?
Yonex BG 66 Ultimax uses a 0.65 mm gauge.
What kind of feel does Yonex BG 66 Ultimax have?
Yonex BG 66 Ultimax is described as having a medium feeling.
What is the main benefit of Yonex BG 66 Ultimax?
Yonex BG 66 Ultimax is built to provide quick repulsion and a sharp response for more lively play.
Does Yonex BG 66 Ultimax focus only on speed?
Yonex BG 66 Ultimax is described as balancing maximum speed, control and durability rather than focusing on only one area.
What materials are used in Yonex BG 66 Ultimax?
Yonex BG 66 Ultimax uses a high intensity nylon core and a high polymer nylon outer.
Is Yonex BG 66 Ultimax more durable than normal nylon string?
Yonex BG 66 Ultimax is stated to offer 30% greater durability than normal nylon because of its high intensity nylon core.
Where is Yonex BG 66 Ultimax made?
Yonex BG 66 Ultimax is made in Japan.
