FOX Rear Shock Kits Suspension 853-21-254 - FT QS3 Lrw RT 1.5 Zero Qsl Lrw
FOX Rear Shock Kits Suspension 853-21-254 - FT QS3 Lrw RT 1.5 Zero Qsl Lrw
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FOX 853-21-254 Rear Shock Kits
Completely revamped, the Fox Factory Race Series Float Shocks are the lightest yet! Offering multiple adjustments, you can easily set the shocks for optiomal comfort in riding zones. 3 different QS styles available, QS3 featuring 3 step adjustment, QSL with rear track shock lockout mode, and QSE available featuring a handlebar mounted switch allowing for locking out the rear track shock on the fly!
Features & Benefits
- Qs3 coil shocks benefits:
- 60% lighter piston, 20% lighter shaft
- Smaller overall size
- Rifle-Bore Bodies - Position Sensitive Damping
- Refined look on newly weight-optimized body caps
- Aluminum and Injection Poly Mounting Hardware
- Optimized Reservoir Length
- Double Digressive Aluminum Piston
- High-Pitch Spring Design
- High Volume Bearing
- Orange Reservoir Caps, Black Type Ill Anodized Bodies
- Fully Rebuildable and Revalveable
- QS3 - 3 Position Compression Adjustment
- QSL Lockout on Rear Track
- QSE on select models: handlebar mounted switch locks out rear track shock
- Float series benefits:
- 60% lighter piston, 20% lighter shaft
- Smaller overall size
- Rifle-Bore Bodies - Position Sensitive Damping
- Updated MY26 Styling
- Refined look on newly weight-optimized body caps
- Aluminum and Injection Poly Mounting Hardware
- Optimized Reservoir Length
- Double Digressive Aluminum Piston
- High-Pitch Spring Design
- High Volume Bearing
- Orange Reservoir Caps, Black Type Ill Anodized Bodies
- Fully Rebuildable and Revalveable
- QS3 - 3 Position Compression Adjustment
- QSL Lockout on Rear Track shock for select models
Specifications
| Model | QS Float Front/Rear Shock Kits |
| Product Type | Suspension |
| Material | Double Digressive Aluminum Piston |
| Vehicle Type | Snowmobile |
| Weight | 7.59 lb |
| Dimensions | 28.81 x 12.25 x 4.87 in |
| Brand | FOX |
| Manufacturer Part Number | 853-21-254 |
| UPC | 692878900904 |
Frequently Asked Questions
What is this suspension intended for?
This FOX Rear Shock Kits suspension is intended for snowmobile use. Confirm compatibility for your specific machine before ordering.
What are the key construction details?
FOX Rear Shock Kits features aluminum and Injection Poly Mounting Hardware. See Features & Benefits and Specifications for the full list.
How much does this product weigh?
This item weighs approximately 7.59 lb.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

