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:
Most qualifying in-stock orders are processed within one business day. In the contiguous 48 states, eligible in-stock orders placed before 12:00 PM (noon) in the customer's local time zone typically ship the same business day. Orders shipping to Alaska or Hawaii use a 12:00 PM Pacific Time cutoff (California time). These cutoffs apply only to eligible in-stock orders and are not guaranteed shipping or delivery times. Same-day shipping refers to processing and carrier handoff, not delivery. Weekends and holidays are excluded.
Payment verification, address verification, fraud review, and inventory availability may take longer. Supplier-direct fulfillment, freight shipping, and special handling may also take longer.
Returns:
Eligible products may be returned within 60 days of delivery, subject to our Return Policy. Return authorization is required. Certain products are final sale or subject to manufacturer warranty procedures, shipping charges, and applicable restocking fees.
Please inspect your order promptly upon delivery. Shipping damage, incorrect items, missing components, or quantity shortages must be reported within 3 business days after delivery. Retain the product, original packaging, shipping labels, and photographs while your claim is reviewed.

