The Breakthrough Golf Technology (BGT) Stability Tour .390 tip putter shaft weighs 105 g with 1° torque. Compared with similar putter-shaft options, it falls in the mid-light (100-119 g) category and has a ultra-stiff / softer responsive feel profile. BGT states Tour fits putters regardless of make/model/bend profile; choose appropriate tip.
Putter shaft specifications
Breakthrough Golf Technology (BGT) · Stability Tour .390 tip · Putter Shaft
Material: Carbon fiber + steel tip / multi-materialWeight: Mid-light (100-119 g)Bend: Adaptable / retains original bend profileFitment: Retrofit multi-pieceFeel: Ultra-stiff / softer responsive feel
105 gWeight
1°Torque
.390Tip diameter
37 inRaw length
Putter-shaft benchmarks
How this shaft compares
Numeric comparisons use a relevant putter-shaft cohort from this database.
Weight
Very low
105 g
Weight is very low among standard-length putter shafts in this database.
Torque
Below average
1°
Torque is below average among standard-length putter shafts in this database.
At a glance
Shaft profile
MaterialCarbon fiber + steel tip / multi-material
Bend styleAdaptable / retains original bend profile
InstallationRetrofit multi-piece
StabilityExtreme torsional stability
Vibration dampingHigh
Primary fitBroad compatibility; designed to fit most putters and bend profiles
Overview
Model information
| Manufacturer | Breakthrough Golf Technology (BGT) |
|---|---|
| Model | Stability Tour .390 tip |
| Category | Putter Shaft |
| Status | Current / available |
| Model role | Benchmark all-purpose Stability model |
Full specifications
Technical details
Weight & stability
Weight105 g
Nominal weight105 g
Torque1°
Weight classMid-light (100-119 g)
Torque classVery low (1.0-1.3°)
StabilityExtreme torsional stability
Flex / feelUltra-stiff / softer responsive feel
Build & dimensions
MaterialCarbon fiber + steel tip / multi-material
ConstructionPatented multi-piece tapered construction
Tip diameter.390
Butt diameter.600
Raw length37 in
Finish / colorsBlack; White
TechnologyStability multi-piece construction; 30% more carbon fiber than prior Tour design
Butt trim onlyYes
Fitment & compatibility
Bend styleAdaptable / retains original bend profile
Installation typeRetrofit multi-piece
Hosel compatibilityBroad compatibility; designed to fit most putters and bend profiles
Plumber's neck compatibleYes
Straight hosel compatibleYes
Over-hosel compatibleYes
Single bend compatibleYes
Double bend compatibleYes
Armlock compatibleNo
Long putter compatibleNo
Fitment noteBGT states Tour fits putters regardless of make/model/bend profile; choose appropriate tip.
Feel & player fit
Stiffness profileUltra-stiff
Vibration dampingHigh
Stroke tempo fitBroad / familiar steel-like balance
Stroke length fitStandard length
Head feelCrisp-responsive with softer feel than steel
Face controlStability-oriented face-control profile
Model context
How this version fits the range
Related variants
Model roleBenchmark all-purpose Stability model
Related-model comparisonLighter and more steel-like in balance than Carbon Pro; broader fitment than Tour One.