Categories›Guitars›Graph Tech PRB 5500 B0 Ratio Bass Machine Heads with Y-style knob - 5-in-line, bass side (left) - Black
Updated 15 May 2026
| Brand | Graph Tech |
| Category | Guitars |
| Available at | 1 UK stores |
| 90-day avg | £136.67 |
Graph Tech
Graph Tech PRB 5500 B0 Ratio Bass Machine Heads with Y-style knob - 5-in-line, bass side (left) - Black
£139.00£144.00↓ 3% offFair Price
Cheapest at Bax · 1 store
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PRICE HISTORY
Current
£131
Change
+4.9%
Avg
£129
Low
£119
High
£136
Volatility
3.6%
PRODUCT DESCRIPTION
- The Graph Tech PRB-5500-B0 Ratio machine heads offer an innovative way to precisely tune your 5-string bass. Each machine head is individually calibrated for the specific string, so one full turn of the knob changes exactly one tone. The closed construction protects the internal mechanisms and the Y-Style knob design ensures a comfortable grip during tuning. Perfect for bass guitar players seeking stability, precision and a sleek look in black. Suitable for left-sided 5-in-line basses.