Guyker GB200 CNC Machined Bass Tuner Aluminum Alloy Housing

Key Features:

• Full CNC-machined construction for precise fit, clean tolerances, and dependable replacement performance.
• 1:22 high-precision gear ratio delivers smooth, accurate tuning adjustment.
• Aluminum alloy housing and key with steel gears and iron post / rear cover / latch for a durable all-metal build.
• Available in 1R, 1L, 2R+2L, 4R, and 4L package options to match different bass headstock layouts.
• Offered in Aluminum Anodized Chrome, Black, Red, and Green finishes for custom bass builds and upgrades.

Specifications:

• Type: Bass Tuner
• Material: Housing / Key (Handle): Aluminum Alloy (CNC Machined); Gears: Steel; Post / Rear Cover / Latch: Iron
• Gear Ratio: 1:22
• Weight: Approx. 84g per piece
• Plate Length: 46.4mm
• Plate Top Width: 46mm
• Top Mounting Hole Spacing (Center to Center): 33.6mm
• Bottom Mounting Hole Spacing (Center to Center): 25.6mm
• Overall Length (Front View): 92mm
• Overall Height (Side View): 43.85mm
• String Post Length: 31.1mm
• String Post Diameter: Ø14mm
• String Hole Center Height: 21mm
• Bushing Outer Diameter: Ø22mm
• Peg Hole Requirement: Ø17.4mm
• Color Options: Aluminum Anodized Chrome, Aluminum Anodized Black, Aluminum Anodized Red, Aluminum Anodized Green
• Package Options: 1R, 1L, 2R+2L, 4R, 4L

Package Includes:

• Bass Tuner Machine Heads × according to selected package option (1R / 1L / 2R+2L / 4R / 4L)
• Mounting Screws

Fitment Note / Warm Reminder:
Please verify your bass headstock’s tuner orientation, mounting hole spacing, and peg hole diameter before ordering. This tuner requires a 17.4mm peg hole and uses 33.6mm / 25.6mm mounting hole spacing. The string hole center height is 21mm. All dimensions may vary by ±1mm due to manual measurement.