Pending verification on some fieldsSeeded recordStock shaft
The Project X HZRDUS CB is a 2024 stock driver shaft bundled by Callaway, offered in 1 weight class (60). Raw length 46″, tip diameter 0.335″, graphite construction.
7 of 18 family-level fields are still empty on this record. The weight-class variants below have their own field completeness. Help fill them in — use Add this spec on any empty row below. Sign in to contribute.
One row per weight class. Each weight class has its own bend profile, torque, and speed-range fit because these genuinely vary by weight even within the same family.
Weight class 60 — 60g (S, X)
14/16 fields (88%)
Field
Value
Source(s)
Status
Weight class
60
OEM published · 2026-06-09
Seeded from an expert-curated catalog
Pending
Weight (measured)
60 g
Community measurement · 2026-06-09
Seeded from an expert-curated catalog
Pending
Flex options
S, X
OEM published · 2026-06-09
Seeded from an expert-curated catalog
Pending
Torque
3.5°
OEM published · 2026-06-09
Seeded from an expert-curated catalog
Pending
Kick point
mid
No source recorded
Unsourced
Tip stiffness
firm
No source recorded
Unsourced
Mid stiffness
Not yet recorded
No data on this weight class. Per-weight-class specs aren’t community-editable yet.
Missing
Butt stiffness
stiff
No source recorded
Unsourced
Counter-balanced
No
No source recorded
Unsourced
Bend profile
Not yet recorded
No data on this weight class. Per-weight-class specs aren’t community-editable yet.
Missing
Launch character
mid
Community consensus · 2026-06-09
Seeded from an expert-curated catalog
Pending
Spin character
low-mid
Community consensus · 2026-06-09
Seeded from an expert-curated catalog
Pending
Tempo fit
moderate, aggressive
No source recorded
Unsourced
Min driver speed
95 mph
Community consensus · 2026-06-09
Seeded from an expert-curated catalog
Pending
Max driver speed
120 mph
Community consensus · 2026-06-09
Seeded from an expert-curated catalog
Pending
MSRP (this weight)
$0
No source recorded
Unsourced
Measured profile community-contributed
Builder/fitter-measured numbers for this weight class — butt frequency (CPM), torque, EI stiffness, balance point. The fitting engine prefers these over OEM claims when present.