- -€60.12
FOX IFP-QSR 12.5? Set for Dyna 1991–2017 (NU). IFP Mono-tube with Quick Switch Rebound featuring 3 positions (QSR), preload with guide marks, Ø1.5? 6061-T6 body, and Ø5/8? shaft. STD spring for loads ?109 kg.
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Instant Rebound Adjustment. The FOX IFP-QSR 12.5? features a 3-position rebound selector (QSR) to tailor the extension to the terrain: Soft (comfort on bumps), Medium (control/comfort balance), and Hard (firm support on smooth asphalt). The IFP system keeps damping consistent by separating gas and oil.
The 6061-T6 Ø1.5? body with TIII hard anodizing manages heat; the low-friction Ø5/8? hard chrome shaft offers sensitivity and durability. Preload with guide marks and plastic tool (not branded). Linear spring STD (?240 lbs).
Technical Specifications
| Application | Harley-Davidson Dyna 1991–2017 (Non-US) |
|---|---|
| Length | 12.5? |
| Architecture | Mono-tube gas (IFP) |
| Adjustments | 3-position Rebound QSR · Preload |
| Body | 6061-T6 Aluminum Ø1.5?, Type III hard anodized |
| Shaft | Ø5/8? hard chrome |
| Spring | Standard Duty Linear Rate |
| Rebuild | 100% rebuildable and re-valvable |
Compatibility
- Dyna 1991–2017 (Non-US)
Benefits
- Quick adaptation to road and pace.
- Stable hydraulics (IFP) for long rides.
- Consistent support with linear spring.
Suggested Setup
- Base: QSR Medium · sag 25–30%.
- Soft for bumps, Hard for smooth asphalt at high speed.
- MOTORCYCLE BRANDS
- HARLEY DAVIDSON
- HARLEY DAVIDSON MODELS
- Dyna