The Mitsubishi Chemical Diamana RB Series 53 Stiff Regular wood shaft weighs 1.83 oz (52 g) with 4.3° torque and is tuned for a mid-high launch / mid spin flight. Compared with related versions, it sits at the lighter side of its weight range and the higher-torque side. Choose this variant when stability, control and a more substantial feel matter more than easy speed.
Wood shaft specifications
Mitsubishi Chemical · Diamana RB Series 53 Stiff Regular · Wood Shaft
Material: GraphiteFlex: Stiff RegularWeight class: Lightweight (45-54.9 g)Flight: Mid-high launch / Mid spinUse: Driver / fairway wood
1.83 ozWeight
4.3°Torque
Stiff RegularFlex
mid/highLaunch
Wood-shaft benchmarks
How this shaft compares
Numeric comparisons use wood shafts in this database.
Weight
Very low
1.83 oz
Weight is very low among wood shafts in this database.
Torque
Typical
4.3°
Torque is typical among wood shafts in this database.
At a glance
Shaft profile
Launchmid/high
StabilityBalanced stability
TempoMedium to medium-fast tempos
UseDriver / fairway wood
BiasSpeed / launch biased
Overview
Model information
| Manufacturer | Mitsubishi Chemical |
|---|---|
| Model | Diamana RB Series 53 Stiff Regular |
| Category | Wood Shaft |
| Primary use | Driver / fairway wood |
| Catalog year | 2026 |
| SKU / code | MR0118 |
| MPF rating | 3.5B2M |
Full specifications
Technical details
Weight & flex
Weight1.83 oz (52 g)
Weight classLightweight (45-54.9 g)
FlexStiff Regular
Torque4.3°
Bend pointmid
Kick pointMid
Tip stiffnessmed/soft
Build & dimensions
MaterialGraphite
Tip diameter0.335 in (8.5 mm)
Driver tip trim0 in
Flight & feel
Launchmid/high
Trajectory / spinMid-high launch / Mid spin
StabilityBalanced stability
Launch assistanceModerate launch assistance
FeelResponsive graphite feel with easier loading
Relative weightVery low among wood shafts
Relative torqueTypical among wood shafts
Player fit
Tempo fitMedium to medium-fast tempos
Transition fitModerate to firm transitions
Speed vs controlSpeed / launch biased
Driver playabilityEasy-speed driver profile
Fairway-wood playabilityStrong fairway-wood crossover
Golfer fit summarySpeed / launch biased; medium to medium-fast tempos; mid-high launch / mid spin.
Related variants
How this version fits the lineup
Sibling comparisons use models from the same product line in this database.
Variant context
Product lineMitsubishi Diamana RB
Position in lineuplighter side; middle flex range; mid-high launch / mid spin
Closest-version comparisonThis version sits at the lighter side of the range and on the higher-torque side. It is heavier than Diamana RB Series 53 Regular and lighter than Diamana RB Series 53 Stiff.
Why choose this variantChoose this variant when stability, control and a more substantial feel matter more than easy speed.