Fox Rear Shock Coil Spring
Best lightweight coil upgrade for riders seeking performance on a budget.
A high-performance steel spring that bridges the gap between standard steel and expensive titanium. It effectively reduces un-sprung weight to improve suspension responsiveness while maintaining a sleek, understated look.
$137.00
at
BikeHabitat
More Steel Rear Shock Spring options
Who it's for
- Trail riders seeking maximum traction and plush small-bump sensitivity
- Gravity riders wanting consistent, maintenance-free performance on long descents
- Aggressive racers needing predictable support deep into the travel
Who should skip it
- Climbing-focused riders prioritizing a lightweight bike setup
- Riders who prefer quick, on-the-fly suspension tuning
- Owners of frames requiring progressive suspension kinematics
Performance breakdown
Weight efficiency
Significantly lighter than standard steel, rivaling premium titanium alternatives.
Suspension responsiveness
Reduced un-sprung mass allows the shock to track terrain more accurately.
Compatibility range
Standard 35mm diameter fits a broad spectrum of popular shock brands.
Durability
Robust construction maintains consistent spring rates through aggressive trail abuse.
Handling precision
Provides the predictable, linear support essential for technical line choices.
Installation ease
Straightforward swap for most coil-sprung rear suspension setups.
Key Specs
Spring Rate
450 lb.
Stroke
2.65" / 67mm
Internal Diameter
35 mm / 1.385 inches
Color
Matte Black
UPC
821973508245
MPN
803-04-300
Weight
408.23 grams
Know before you buy
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