The Mitsubishi Chemical Tensei 1K Pro Blue 50 Regular wood shaft weighs 1.83 oz (52 g) with 4.9° torque and is tuned for a mid launch / mid spin flight. For this particular weight/flex combination, it sits at the lightest end 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 · Tensei 1K Pro Blue 50 Regular · Wood Shaft
Material: GraphiteFlex: RegularWeight class: Lightweight (45-54.9 g)Flight: Mid launch / Mid spinUse: Driver / fairway wood
1.83 ozWeight
4.9°Torque
RegularFlex
MidLaunch
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
Above average
4.9°
Torque is above average among wood shafts in this database.
At a glance
Shaft profile
LaunchMid
SpinMid
StabilityBalanced stability
TempoSmooth to moderate tempos
UseDriver / fairway wood
BiasSlightly speed biased
Overview
Model information
| Manufacturer | Mitsubishi Chemical |
|---|---|
| Model | Tensei 1K Pro Blue 50 Regular |
| Category | Wood Shaft |
| Primary use | Driver / fairway wood |
| Catalog year | 2026 |
| SKU / code | MR0104 |
| MPF rating | 3B2M |
Full specifications
Technical details
Weight & flex
Weight1.83 oz (52 g)
Weight classLightweight (45-54.9 g)
FlexRegular
Torque4.9°
Bend pointmid
Kick pointMid
Tip stiffnessmedium
Build & dimensions
MaterialGraphite
Tip diameter0.335 in (8.5 mm)
Raw length46 in (116.8 cm)
Parallel tip length3 in (7.6 cm)
Driver tip trim0 in
3-wood tip trim0.5 in
5-wood tip trim0.75 in
Flight & feel
LaunchMid
SpinMid
Trajectory / spinMid launch / Mid spin
StabilityBalanced stability
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 controlSlightly speed biased
Driver playabilityBalanced driver profile
Fairway-wood playabilityStrong fairway-wood crossover
Golfer fit summarySlightly speed 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 TENSEI 1K Pro Blue
Position in lineuplightest end; softest listed flex; mid launch / mid spin
Closest-version comparisonThis version sits at the lightest end of the range and on the highest-torque end. It is lighter than Tensei 1K Pro Blue 50 Stiff.
Why choose this variantChoose this variant when stability, control and a more substantial feel matter more than easy speed.