Mount-n-Lock RV Bumper Support Brackets 1SSNHD — Heavy-Duty Bolt-On, 400 lb-ft Capacity

Mount-n-Lock SafetyStruts 1SSNHD are patented, heavy-duty bolt-on bumper support brackets that reinforce RV factory bumpers to safely handle up to 400 pound-feet of cargo capacity.

Designed and manufactured in the USA, these SafetyStruts combine over 17 years of RV bumper experience with a proven patented geometry to deliver a reliable, long-lasting reinforcement for rear bumpers. The kit is engineered for fast installation and durability, using quality materials and purpose-built hardware so you can mount cargo safely or restore a sagging bumper without cutting corners.

How do SafetyStruts improve my RV bumper's load capacity?

The SafetyStruts 1SSNHD transfer and distribute load forces from the bumper into the frame, increasing the bumper assembly's ability to support gear and cargo. Their patented design prevents common failure points found in inferior brackets.

• Provides up to 400 pound-feet of bumper cargo capacity.
• Bolt-on attachment anchors bracket directly to RV frame for secure load transfer.
• Patented geometry reduces stress concentrations at welds and bolt holes.
• Made from high-quality U.S. materials for corrosion resistance and longevity.

What tools and parts come with the kit to make installation easier?

The 1SSNHD kit is built for quick, confident installs and includes specialized hardware that speeds assembly and ensures correct fitment. Even when working alone, the magnetic and self-drilling components remove many common frustrations.

• Magnetic nut driver to hold fasteners in place while tightening.
• Self-drilling bolts eliminate pre-drilling on compatible substrates.
• Hex shims to fine-tune alignment between bumper and frame.
• Clear selection guide to match bracket orientation to your frame/bumper setup.

Will these brackets fit my RV frame and bumper configuration?

SafetyStruts are available in configurations to match most factory bumper and frame combinations; the included selection guide helps you pick the correct orientation and mounting pattern. If your setup is unusual, the adjustable shims and hardware offer on-site flexibility.

• Selection guide image included to identify correct bracket layout.
• Hex shims accommodate minor frame to bumper variances.
• Bolt-on design suits common boxed and C-channel RV frames.
• Contact support if you have nonstandard bumper or aftermarket components.

How durable are these brackets for long-term use?

Manufactured in the USA from high-quality materials and designed with proven engineering, SafetyStruts resist road vibration and environmental wear. Properly installed, they provide a dependable, long-term reinforcement that reduces the risk of bumper sag or failure under load.

• High-grade steels and finishes for corrosion resistance.
• Patented structural shape minimizes fatigue over time.
• Hardware sized for heavy-duty load transfer and secure clamping.
• Backed by more than 17 years of RV bumper engineering know-how.

Who is this for: Mount-n-Lock SafetyStruts 1SSNHD are aimed at RV owners, technicians, and outfitters who need a trustworthy, bolt-on solution to strengthen factory bumpers for cargo, bike racks, or other rear-mounted equipment. Choose this kit if you value a fast install, engineered reliability, and made-in-USA components to restore or upgrade bumper support for daily travel and extended trips.