Mitsubishi Chemical Diamana RB
The Mitsubishi Chemical Diamana RB is a graphite driver shaft from 2025. It weighs 44 to 81 g, comes in R2, R, SR, S, X and TX, has a mid kick point and 2.8 to 5.1 degrees of torque. It launches mid-height with moderate spin. It is rated for swing speeds of 75 to 120 mph. It listed at $400 when it launched in 2025.
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Mitsubishi Chemical Diamana RB specs
Specs come from the FitMySwing catalog. Ratings out of 10 are our own.
| Brand | Mitsubishi Chemical |
|---|---|
| Model year | 2025 |
| Status | Current |
| Approx. launch price | $400 |
| Material | Graphite |
| Weight | 44 to 81 g |
| Flex options | R2, R, SR, S, X, TX |
| Kick point | Mid |
| Torque | 2.8 to 5.1° |
| Launch | Mid |
| Spin | Mid |
| Feel | Medium |
| Swing speed range | 75 to 120 mph |
| Profile | Red Board Diamana with a more active tip than BB/WB for a little more launch and speed while keeping low-torque control. |
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Where these specs come from
Verified. Two or more separate pages show this model exists, and its specs were read from a source page.
Specs read from mitsubishigolf.com
Model confirmed on mitsubishigolf.com
Where the fit profile comes from
2 of 5 fit values come from Mitsubishi Chemical or a published rule. The rest are our own ratings.
| Launch | mid | Our rating |
|---|---|---|
| Spin | mid | Mitsubishi Chemical says “LAUNCH MID+ SPIN MID” |
| Kick point | mid | Mitsubishi Chemical says “Diamana™ RB 43 R2 46 44 0.335 3 0.596 5.1 MID” |
| Swing speed window | 75-120 mph | Our rating |
Who the Mitsubishi Chemical Diamana RB suits
- Golfers who swing between 75 and 120 mph.
- A mid kick point sits in the middle for launch.
Similar to the Mitsubishi Chemical Diamana RB
Picked from the catalog for a similar player and similar numbers, from more than one brand.
- Accra ARC RefineAccra2026 · $175 · 85 to 110 mph
- Project X Denali Frost Blue CBProject X2026 · $225 · 85 to 110 mph
- Project X Denali Frost BlueProject X2026 · $225 · 75 to 115 mph
- Graphite Design Tour AD DIGraphite Design2010 · $350 · 85 to 115 mph
Mitsubishi Chemical Diamana RB: common questions
Who is the Mitsubishi Chemical Diamana RB for?
Golfers who swing between 75 and 120 mph. A mid kick point sits in the middle for launch.
How much does the Mitsubishi Chemical Diamana RB cost?
It listed at about $400 at launch in 2025.
What flexes does the Mitsubishi Chemical Diamana RB come in?
It comes in R2, R, SR, S, X and TX. It is rated for swing speeds of 75 to 120 mph.
What are alternatives to the Mitsubishi Chemical Diamana RB?
Similar driver shafts in our catalog include the Accra ARC Refine (2026), the Project X Denali Frost Blue CB (2026), the Project X Denali Frost Blue (2026) and the Graphite Design Tour AD DI (2010).
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