Skip to main content
Play Video
Members Save 20% W/ MEMSAVE
Graph Tech Graph Tech

Graph Tech 5-String Ratio 4+1 Bass Classic Clover Leaf Button Chrome 5 String

Q&A SKU #M01960000001001
207.18 $207.18
6-Month Special Financing
Limited time Learn more
More ways to pay:
Lease-to-own with Progressive Leasing. Learn more
Loyalty Points Icon
Loyalty Points Icon
Earn 1,656 reward points
($16.56 in credit)
Earn 1,656 reward pts.
($16.56 in credit)
Inventory Msg Check Mark Inventory Msg Exclamation In Checkout Promo Inventory Msg Download Icon
In Stock & Ready to Ship
Most orders placed before 3 p.m. ET ship same day (except weekends and holidays).
  • Free Shipping
  • Flexible Financing
  • Lowest Price
  • Ships Internationally
Chevron Right Icon

Ratio calibrated machine heads for bass guitars that use 4 x 1 configuration.

The Graph Tech 5-string Ratio 4+1 bass Classic Clover Leaf button tuning machine heads incorporate different string gauges into the tuning equation. Graph Tech balanced the gear ratios to each string, simplifying the tuning process. With Ratio, a half turn is a semi-tone. Every string reacts the same to any tuning adjustments, delivering predictable, precise tuning on every string. The Graph Tech PRB-5411 is a right-handed set of Ratio calibrated machine heads for bass guitars that use 4 x 1 configuration.


  • Includes:
  • 5 machine heads
  • Mounting screws
  • Bushings

Order today.


5-String Ratio 4+1 Bass Classic Clover Leaf Button Specifications:

  • Gear ratio: 76:1, 48:1, 36:1, 25:1, and 23:1
  • Peg holes diameter required: 0.720" (18mm)
  • String post diameter: 0.547" (13.9mm)
  • String post length to string hole: 0.807" (20.5mm)
  • String diameter up to 130 gauge

Questions & Answers

Do you have questions about this product?

Shop with a Friend
Free Shipping
  • Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
  • Orders placed before 3 p.m. ET usually ship the same business day.
Learn More
2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details
We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us
Proactive Advisor Support Chat