Categories›Guitars›Graph Tech PRB 5500 C0 Ratio Bass Machine Heads with Y-pillar knob - 5-in-line, bass side (left) - Chrome

Updated 17 May 2026
| Brand | Graph Tech |
| Category | Guitars |
| Available at | 1 UK stores |
| 90-day avg | £136.67 |
Graph Tech
Graph Tech PRB 5500 C0 Ratio Bass Machine Heads with Y-pillar knob - 5-in-line, bass side (left) - Chrome
£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
- These Graph Tech Ratio bass guitar tuning mechanisms are specially designed for 5-string bass guitars. Each mechanism has its own gear ratio, perfectly matched to the corresponding string, allowing a full tone change per rotation. The Y-Style knobs fit comfortably in the hand and the chrome finish gives a sleek look. Ideal for replacement or upgrade of the left side of a 5-in-line bass. Suitable for various makes and models with 5-string left-hand configuration.