Conquer Harsh Terrain with Confidence
Engineered for the relentless pursuit of adventure, the Rock Knocker for Polaris RZR & RS1 offers unparalleled protection for your vehicle's rear trailing arms. Designed to absorb impacts and deflect debris, this essential upgrade ensures your ride stays trail-ready, no matter how rugged the terrain gets. Experience enhanced durability and peace of mind on your next off-road expedition.
Direct Fit
For Stock Trailing Arms
2014-2021+
RZR & RS1 Model Years
Bolt-On Installation
No Additional Hardware Needed
Heavy-Duty
Impact & Debris Protection
✓ Rock Knocker (1 Pair)
Protect your trailing arms
✓ Optional: Replacement Brackets
For future replacements
✓ Optional: Replacement Flaps
For future replacements
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Superior Protection
Engineered to shield your stock rear trailing arms from rocks, roots, and debris, preventing damage and extending component life.
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Hassle-Free Installation
Designed for a direct, bolt-on fit to OEM trailing arms, requiring no additional hardware or complex modifications for a quick and easy upgrade.
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Durable Construction
Built from high-strength materials to withstand the rigors of aggressive off-road riding, ensuring long-lasting performance and reliability.
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Trail-Ready Design
Specifically crafted for Polaris RZR and RS1 models, maintaining optimal ground clearance and suspension geometry while providing critical undercarriage protection.
In Stock & Ready To Ship
Processing
Packed with care before shipment
Tracking
Sent when shipped
Confirmation
Sent after checkout
Although rare, some delays may occur. We’ll keep you updated every step of the way.
Rock Knocker vs. Stock Trailing Arms
STOCK REAR TRAILING ARMS
✗ Exposed and vulnerable to impacts
✗ Susceptible to damage from rocks and debris
✗ Limited protection against trail hazards
✗ Potential for costly repairs
✗ Reduced ride confidence on rough terrain
⚡ ROCK KNOCKER
✓ Robust protection for trailing arms
✓ Deflects rocks, roots, and debris
✓ Bolt-on installation, no modifications needed
✓ Durable construction for extreme use
✓ Enhanced trail confidence and component longevity
Common Questions
What type of trailing arms does this fit?
The Rock Knocker is designed to fit stock rear trailing arms on compatible Polaris RZR and RS1 models.
Is this compatible with my specific RZR or RS1 model year?
This product is compatible with Polaris RZR models from 2014 to 2021 and the RS1. Please verify your specific model's fitment.
Do I need to buy extra hardware for installation?
No, the Rock Knocker is designed for a direct bolt-on installation and does not require any additional hardware.
Can I purchase replacement parts if needed?
Yes, replacement brackets and flaps are available for separate purchase to ensure continued protection.
What Riders Are Saying
These rock knockers are a must-have for any RZR owner. They fit perfectly on my stock trailing arms and have already saved them from a few nasty hits. Installation was a breeze! Highly recommend.
— Mark T., Colorado
I was hesitant at first, but the peace of mind these provide is incredible. I ride aggressive trails and these Rock Knockers have taken a beating without any issue. Great build quality and a smart investment to protect your rig.
— Sarah K., Utah
Upgrade Your Protection Today
Equip your Polaris RZR or RS1 with the ultimate defense against trail hazards.
Don't let rocks and debris cut your adventure short. Add to cart now!