● Live Data
Graph Tech · Guitars
Graph Tech PRB 4220 B0 Ratio Bass Machine Heads with Y-style knob - 4-string, 2 + 2 - Black
£101.00Fair Value1 stores tracked
Buy Signal
Price near historical average — neutral outlook
Confidence: 50/100
RSI (14)
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Need 15+ data points
Volatility (ann.)
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Need more data
30d Momentum
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Need 30+ data points
Price Position
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No 90d range data
EMA 20
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EMA 50
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Need 50+ data points
90d Low / High
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30d Forecast
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→ Stable
Product Fundamentals
- The Graph Tech PRB-4220-B0 Ratio Bass Machine Heads ensure extremely accurate tuning of your 4-string bass guitar. Each tuning mechanism has its own ratio, matched to the string, so one rotation always produces exactly one tone difference. The set consists of four tuning machines (2 left
- 2 right) with a closed construction and Y-Style Contemporary knobs. The black finish gives your bass guitar a sleek, modern look. These tuners combine reliability, stability and smooth operation for the serious bass player.
GearDeals Intelligence · Data from 0 historical price points · Analysis is informational only, not financial advice