Diamana RB

LAUNCH MID+ SPIN MID FLEX PROFILE MED MED SOFT+
BUTT MID TIP

Diamana RB Overview WIN TICKETS + TRIP TO NEXT MAJOR* REGISTER TO WIN*

Diamana RB (Red Board) – the third profile in the most recent generation – is designed with all the traditional branding that made Diamana so beloved – including a return to the original 53/63/73/83 weight class designations – and all the engineering prowess and material innovation that made the brand dominant on tour.

Offering a slightly higher launch angle than BB, Diamana RB was engineered to promote ease of launch while also maintaining control down field. Diamana RB is a classic "Red Board” profile that features an active tip section while still retaining the same material technology package (see below) and low-torque control characteristics as its lower 6th Generation launching counterparts.

Key Features Include:
- 80-ton DIALEAD Pitch Fiber in butt section to maximize stability and energy transfer
- High modulus 46-ton fiber in angle plies to lower torque without increasing weight
- Xlink Tech Resin System to increases the strength and durability of the shaft

Who should play it? Golfers looking to generate a little more speed through a shaft that has a little active tip section while also maintaining control down field.

Spin/Launch Chart

Fit Guide

DRIVER MPH/YDS <80/210 81-90/210-239 91-105/240-259 >106/260
Diamana™ RB 43 R2/R R/SR S/X
Diamana™ RB 53 R R/SR S/X X/TX
Diamana™ RB 63 R R/SR/S S/X X/TX
Diamana™ RB 73 S/X X/TX
Diamana™ RB 83 S/X TX
IMPORTANT: For reference only. Mitsubishi Golf recommends being fit by a professional fitter.

Diamana RB Specifications

Shaft Flex Length Weight/GMS Tip OD Tip Length Butt OD Torque Kick Point
Diamana™ RB 43 R2 46 44 0.335 3 0.596 5.1 MID
Diamana™ RB 43 R 46 45 0.335 3 0.598 5.1 MID
Diamana™ RB 43 SR 46 47 0.335 3 0.600 5.1 MID
Diamana™ RB 43 S 46 48 0.335 3 0.602 5.1 MID
Diamana™ RB 43 X 46 49 0.335 3 0.606 5.1 MID
Diamana™ RB 53 R 46 50 0.335 3 0.596 4.9 MID
Diamana™ RB 53 SR 46 52 0.335 3 0.596 4.9 MID
Diamana™ RB 53 S 46 54 0.335 3 0.598 4.9 MID
Diamana™ RB 53 X 46 55 0.335 3 0.600 4.9 MID
Diamana™ RB 53 TX 46 56 0.335 3 0.600 4.9 MID
Diamana™ RB 63 R 46 60 0.335 3 0.602 3.2 MID
Diamana™ RB 63 SR 46 61 0.335 3 0.602 3.2 MID
Diamana™ RB 63 S 46 61 0.335 3 0.602 3.2 MID
Diamana™ RB 63 X 46 62 0.335 3 0.602 3.2 MID
Diamana™ RB 63 TX 46 62 0.335 3 0.602 3.1 MID
Diamana™ RB 73 S 46 70 0.335 3 0.602 2.9 MID
Diamana™ RB 73 X 46 71 0.335 3 0.604 2.9 MID
Diamana™ RB 73 TX 46 72 0.335 3 0.604 2.9 MID
Diamana™ RB 83 S 46 80 0.335 3 0.604 2.8 MID
Diamana™ RB 83 X 46 81 0.335 3 0.604 2.8 MID
Diamana™ RB 83 TX 46 81 0.335 3 0.604 2.8 MID

Diamana RB Tip Trim Information [Full Tip Trimming Guide]

Driver 3 Wood 5 Wood 7 Wood 9 Wood
0" 0.5" 0.75" 1.0" 1.0"

News & Reviews

The Mitsubishi Secret: 46-Ton Carbon Fiber: Thu, May 07, 2026 — Diamana 6th Generation featured on Golf.com: "By strategically layering these high-strength fibers at specific angles, they can “lock” the shaft against twisting while maintaining the smooth, elastic feel that has made Diamana a staple on major tours for two decades."

Plugged In Golf Review Diamana™ RB: Mon, Feb 24, 2025 — "When I was able to put my most mellow swings on it, I saw the elevated ball flight that the Diamana RB is known for.  In line with Mitsubishi’s statistics, the ball flight never got weak or ballooning, but it was hitting a higher window than normal."

Mitsubishi Launches Diamana™ RB to Complete the Diamana Lineup: Wed, Jan 08, 2025 — The Mitsubishi Diamana RB is the highest launching shaft in the lineup as well as the highest spinning. Even though the RB is the highest launching and spinning, it by no means is a “soft” shaft that only slower swing speed players will benefit from.

Mitsubishi Golf Launches Diamana™ RB: Tue, Jan 07, 2025 — The final profile of 6th Generation Diamana Returns featuring the same legendary Diamana iconography as seen on WB and BB Launched in 2024

Same Shaft in your Driver and Fairway Woods?: Mon, May 11, 2026 — From Golf.com: "In a fairway wood, I like something a bit softer. I’ll end up getting my attack angle more neutral, or even slightly down on the ball with the fairway woods, and my swing mechanics will change slightly. Getting closer to an iron swing, where I also have a shaft profile with a slightly stiffer handle section and a slightly softer tip section."

KEY TECHNOLOGIES