ONE 50 - Brass - Nickel, aged

ONE 50

ONE 50 is a precision CNC-machined KMS ABR-1-style Tune-O-Matic bridge built around a solid C36000 H02 brass body. It pairs this body architecture with KMS Fat-Flat 50s saddles for broad traditional string support and guitar-specific string placement.

Why choose ONE 50

• Fat-Flat 50s saddles with broad traditional string support
• Unnotched saddles by default; optional starter notches where offered
• 6-32 or M4 direct-post versions — select the thread that matches the guitar
• Body-material direction: body, authority, harmonic density and low-end weight

Technical details

• Bridge body: C36000 H02 brass · CNC-machined from solid
• Saddles: Fat-Flat 50s brass saddles · guitar-specific slotting
• Body dimensions: approximately 85 × 11 × 11 mm
• Total height with saddles: approximately 15.1 mm
• Post-center spacing: 74 mm / 2-29/32 in
• String spacing: 52 mm overall / 10.4 mm individual
• Nominal radius: 12 in
• Intonation screws: 4-40 UNC · individually clip-retained
• Mounting: 6-32 or M4 direct posts, according to selected version
• Reference weight: approximately 65 g
• Finish: Aged nickel

Saddle note: A starter notch is only an initial centered guide. Final string position and slot geometry remain guitar-specific.

Compatibility

ONE and Vintage ONE use the compact ABR-1-style mounting format. Choose the direct-post version that matches the guitar; where a suitable bushing-mounted instrument needs conversion to 6-32, use the appropriate KMS Conversion Posts.

• KMS 7 mm Conversion Posts
• KMS 12 mm Conversion Posts

For mounting identification, measurements and installation, see ONE & Vintage ONE Installation Guide .

Optional CRYO treatment, where offered, is a separate material-conditioning choice and does not change bridge geometry or mounting compatibility.

Technical guides

• ONE & Vintage ONE Product Guide — choosing 50, V or 2
• Brass vs. ZAMAK Guitar Bridges — material, manufacturing and tonal direction

Tune-O-Matic™ is a trademark of Gibson, Inc. ABR-1 is used solely to identify the compatible bridge format. KMS is not affiliated with or endorsed by Gibson.