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FOX QS3-R 13? SUPER HEAVY DUTY TOURING SHOCK ABSORBERS 1993–2024
FOX QS3-R 13? for Touring 1993–2024 with SUPER HEAVY DUTY springs (>177 kg). Recommended for heavily loaded bikes. QSR switched rebound with 3 positions, IFP monotube, Ø1.5? body, and Ø5/8? shaft. Preload with guide marks.
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Extreme Support for Riding to the Limit. The FOX QS3-R 13? Super Heavy Duty are designed for bikes that consistently ride with a passenger + luggage (loads >177 kg). The SHD spring minimizes sag and bottoming out, while the QSR selector allows you to adjust the rebound in 3 positions (Soft / Medium / Hard) without tools.
The mono-tube architecture with internal floating piston (IFP) separates gas and oil to prevent foaming and maintain consistent damping on long rides. The 6061-T6 Ø1.5? body with Type III hard anodizing manages heat, and the Ø5/8? shaft with hard chrome offers low friction and durability.
Technical Specifications
| Application | Harley-Davidson FLT/Touring 1993–2024 |
|---|---|
| Length | 13? (standard height) |
| Architecture | Mono-tube gas (IFP), deflective discs |
| Adjustments | QSR rebound 3 positions · Preload (guide marks) |
| Body | 6061-T6 aluminum Ø1.5?, Type III hard anodized |
| Shaft | Ø5/8? hard chrome, super-finished |
| Spring | Super Heavy Duty (usual load >177 kg) |
| Rebuild | 100% rebuildable and re-valvable |
| Includes | Plastic preload wrench (non-branded) |
Compatibility
- FLT/Touring 1993–2024
Benefits
- Maximum support with passenger and luggage.
- Switched rebound for fine-tuning control.
- Stable hydraulics thanks to IFP on long routes.
Recommended Setup
- Base: QSR Medium · sag 25–30%.
- +1/2 turn of preload with extra load; QSR Hard for smooth asphalt.
Installation
- Check H-D torque specs and clearances with saddlebags/stand.
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