Mizuno RB566 and RB566V Golf Balls Review
© Mizuno Golf


Spin: Mid

Dimples: 566 micro-dimple design

Compression: Low

Category Comparison: Value

Spec: (Two) 2 Piece / Layers

Cover: Durable Ionomer

Core: high energy

Price: $22


Mizuno RB566 and RB566V Golf Balls Review
© Mizuno Golf

Spin: High

Dimples: 566 micro-dimple design

Compression: Low

Category Comparison: Premium

Spec: (Three) 3 Piece / Layers

Cover: Durable Ionomer

Core: high-energy butadiene

Price: $30

Starting with March 20th, the new Mizuno RB566 and RB566V golf balls will become available to the general public in North America, along with the latest forged/precision milled M.Craft putters. The Japanese company announced earlier in January their brand new soft-compression golf balls, designed to offer improved ball flight and more distance than ever before due to their unique 556 dimple pattern and redesigned high-energy cores, which are beautifully complemented by the premium line of M.Craft putters. Speaking of high-end golf balls, Mizuno’s previous RB TOUR and RB TOUR X launched back in 2019 have received universal praise from both amateurs and Tour pros alike, and they even won the Gold Award in the 2019 Golf Digest HOT LIST, plus a well-deserved place in Golf Monthly’s Editor’s Choice for 2019. Just like the RB TOUR and RB TOUR X , the new RB566 and RB566V are premium golf balls, and they follow the success of their predecessors, marking the Japanese company’s increasing expansion into the golf ball market.

Mizuno RB566 and RB566V Golf Balls Review
© Mizuno Golf

The RB566 and RB566V are basically the new generation of high performance/premium golf balls from Japan, and they’re built around a high energy core and with a unique dimple pattern. The redesigned cores are now larger than before and thus they work wonders in reducing spin and increasing launch, which further translates into a stable and more efficient flight. To make it really easy for our readers, the new RB566 and RB566V golf balls are engineered to provide extra hanged time and balanced performance.

Here’s Norikazu Ninomiya of Mizuno Japan commenting on his company’s latest products:

“We can now produce even softer compression balls that prolong their flight through aerodynamics. A softer core works to elevate trajectory and straighten flight – and now there’s no trade off in distance,”

The RB566 is Mizuno’s softest compression ball to date; now, add into the mix the 566 micro-dimple design, which is aimed at helping to delay the ball’s rate of descent past the apex of the flight, and you’ll end up with a distance eater. The soft compression core in the RB566 is also larger than ever before, and this translates into a straighter and more stable ball flight. Moreover, the RB566 has a ionomer cover, that provides durability and excellent green-side feel, being aimed at golfers with slower/mid swing speeds, and it’s especially well-suited for warm conditions. If the weather is cold, or the ground soft, you can play the RB566 regardless of your swing speed.

The RB566V is a little bit different, as it’s designed for maximum launch and velocity (that’s what the V letter stands for by the way). Just like the regular, the RB566V comes with the unique 566 D-dimple pattern, that helps with the rate of descent, but due to its special 3 piece construction which also uses a ionomer cover, this time you’ll benefit from a slightly higher launch angle. The new/high-energy butadiene core in RB566V makes it incredibly fast and also enhances feel, and keeps the ball nimble around the greens. It’s worth mentioning that the RB566V is designed to be a jack of all trades so to speak, i.e. i will suit all golfers in literally all conditions.

Golf Ball Videos:

Compression Video

Spin Video

Dimples Video

Golf Ball Brands Video

Titleist Video

Understanding Spin Video

*Category key


– Designed for mid- to high-handicap golfers with swing speeds below 90 mph; typically feature two-piece construction and firm covers; promote greater distance over high spin rates. Examples: Pinnacle Gold, Slazenger RAW Distance


– Designed for low- to mid-handicap golfers with swing speeds of 90-99 mph; typically feature multi-layer construction and medium-soft covers; happy medium between Value/Recreational and Tour categories for distance and spin qualities. Examples: Titleist NXT Tour, Callaway HEX Diablo


– Designed for low-handicap and professional golfers with swing speeds in excess of 100 mph; typically feature multi-layer construction and soft covers; promote greater spin rates and enhanced feel over distance. Examples: Titleist ProV1, Bridgestone Tour B330