The Mitsubishi Chemical Diamana BB Series 43 Regular wood shaft weighs 1.59 oz (45 g) with 5.1° torque and is tuned for a mid launch / mid spin flight. For this particular weight/flex combination, it sits at the lighter side of its weight range and the highest-torque end. Choose this variant when stability, control and a more substantial feel matter more than easy speed.
Wood shaft specifications
Mitsubishi Chemical · Diamana BB Series 43 Regular · Wood Shaft
Material: GraphiteFlex: RegularWeight class: Lightweight (45-54.9 g)Flight: Mid launch / Mid spinUse: Driver / fairway wood
1.59 ozWeight
5.1°Torque
RegularFlex
midLaunch
Wood-shaft benchmarks
How this shaft compares
Numeric comparisons use wood shafts in this database.
Weight
Very low
1.59 oz
Weight is very low among wood shafts in this database.
Torque
Above average
5.1°
Torque is above average among wood shafts in this database.
At a glance
Shaft profile
Launchmid
StabilityResponsive / easier-loading
TempoSmooth to moderate tempos
UseDriver / fairway wood
BiasSpeed / launch biased
Overview
Model information
| Manufacturer | Mitsubishi Chemical |
|---|---|
| Model | Diamana BB Series 43 Regular |
| Category | Wood Shaft |
| Primary use | Driver / fairway wood |
| Catalog year | 2026 |
| SKU / code | MR0117 |
| MPF rating | 3B2S |
Full specifications
Technical details
Weight & flex
Weight1.59 oz (45 g)
Weight classLightweight (45-54.9 g)
FlexRegular
Torque5.1°
Bend pointmid/high
Kick pointMid/High
Tip stiffnessmedium
Build & dimensions
MaterialGraphite
Tip diameter0.335 in (8.5 mm)
Driver tip trim0 in
Flight & feel
Launchmid
Trajectory / spinMid launch / Mid spin
StabilityResponsive / easier-loading
Launch assistanceNeutral launch
FeelResponsive graphite feel with easier loading
Relative weightVery low among wood shafts
Relative torqueAbove average among wood shafts
Player fit
Tempo fitSmooth to moderate tempos
Transition fitSmooth to moderate transitions
Speed vs controlSpeed / launch biased
Driver playabilityBalanced driver profile
Fairway-wood playabilityStrong fairway-wood crossover
Golfer fit summarySpeed / launch biased; smooth to moderate tempos; mid 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 BB
Position in lineuplighter side; middle flex range; mid launch / mid spin
Closest-version comparisonThis version sits at the lighter side of the range and on the highest-torque end. It is heavier than Diamana BB Series 43 Lite / Senior and lighter than Diamana BB Series 53 Regular.
Why choose this variantChoose this variant when stability, control and a more substantial feel matter more than easy speed.