Description
GB ProTop Titanium Guide Bar — Professional Replaceable-Nose Bar
Built for high-speed, high-power saws. ProTop Titanium bars use a precision-engineered, lightweight titanium-alloy steel construction for long service life, reduced fatigue, and confident control in demanding professional use.
Key Benefits
- Replaceable sprocket nose: smooth cutting, lower friction, and easy serviceability.
- Lightweight, durable build: titanium-alloy steel for strength without excess weight.
- Pro-grade control: balanced handling for accurate bucking and felling cuts.
Specifications
- Pitch: 3/8″
- Gauge: .063″ (1.6 mm)
- Mount: Stihl Large (E099). S21-63PA uses S mount (single adjuster-hole set); SLD-series bars use SLD mount (dual adjuster-hole sets).
- Lengths available: select from the drop-down menu
Compatibility
Fits Stihl models listed when fitted with a 3/8″ pitch drive sprocket: 050, 051, 070, 075, 076, 084, 088, 090, MS880, MS881.
Not compatible with .404″ chain or sprockets.
Fitment & Adjuster Holes
- S mount — S21-63PA: one set of adjuster holes.
- SLD mount — SLD25/30/36/42-63PA: two sets of adjuster holes to broaden fitment and provide extra tensioning range.
3/8″ Drive Link Guide (Approximate)
Counts are based on a 7-tooth 3/8″ rim. Actual length may vary by 1–2 drive links with different drive sprocket sizes (e.g., 7T vs 8T/9T). Data supplied by GB Forestry Australia.
| # Part | Length | Drive Link | Weight (kg) |
|---|---|---|---|
| S21-63PA | 21″ | 75 | 1.5 |
| SLD25-63PA | 25″ | 90 | 1.9 |
| SLD30-63PA | 30″ | 100 | 2.8 |
| SLD36-63PA | 36″ | 114 | 3.0 |
| SLD42-63PA | 42″ | 135 | 3.2 |
Product specifications are supplied by the manufacturer and may change without notice.
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