con garanzia a vita

Traino e trasporto

Towing a camper, fifth-wheel, toy hauler, utility,  or work trailer puts major strain on factory suspension, causing sag, sway, and poor handling. SumoSprings provide progressive, airless support for a smoother, safer tow — mile after mile.

A Stronger Tow, Without the Airbags
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Engineered to make towing simple, stable, and stress-free
— no airlines, no leaks, no compromises.

Meno oscillazioni, più controllo

Minimize body roll, sway, and bounce — even when fully loaded.

Completely Airless

No airlines, no compressors, no leaks — just reliable, maintenance-free support.

Direct-Fit Installation

Rebels mount to AirLift and Firestone brackets out of the box. Bolt-on simplicity.

Preserves Suspension

The Rebel’s two-piece design allows full articulation and maximum control.

From tow vehicle to trailer, we’ve got every bump covered.

Smarter Suspension for Every Tow

Towing isn’t just about power — it’s about control. That’s why SumoSprings products deliver progressive cushioning that engages smoothly as load increases. They absorb harsh impacts, stabilize the ride, and protect passengers and cargo from road shock. And unlike airbag systems, they never need monitoring, adjusting, or fixing. No matter what you're hauling, you’ll feel the difference from the first mile.

Kits for Your Trailer
Kits for Your Tow Vehicle

Product Spotlight – SumoSprings Rebel

Ditch the Airbags. Keep the Brackets.

Ditch the Airbags. Keep the Brackets.
The two-piece Rebel spring is the airless upgrade your truck deserves.

SumoSprings Rebel replaces traditional airbags with a progressive, two-piece spring that compresses under load and separates at full droop. That means smoother towing with full suspension travel — no air leaks, no blowouts, no compressors. And because Rebels mount directly to many existing AirLift and Firestone brackets, you can upgrade without removing your current setup.
Kits for Your Tow Vehicle

Cosa dicono i nostri clienti

I installed SumoSprings on my F-250 before a cross-country trip pulling a fifth-wheel. The difference was immediate. No more sagging rear end or constant sway on the highway. The truck feels level and controlled, even in crosswinds or when semis pass. Hookups and long drives are now way less stressful, and my wife feels more comfortable on the road. Easily the best upgrade I’ve made for towing.

Daniel K. Moore

Ford F-250 Towing a Fifth-Wheel

My Silverado hauls a heavy enclosed work trailer almost daily, and the factory suspension just wasn’t cutting it. The back sagged, and every bump made the trailer feel like it was controlling the truck. After adding SumoSprings, the ride is much more stable, braking feels safer, and sway has been reduced dramatically. It’s made long days on the job site so much easier.

Sarah Jensen

Chevrolet Silverado 2500HD with Work Trailer

Towing my 24-foot boat used to mean white-knuckle drives, especially on uneven backroads heading to the lake. After installing SumoSprings, my Ram sits level, handles bumps without bottoming out, and the sway is nearly gone. Launching, loading, and towing all feel much more secure. I’d recommend these to anyone towing heavy loads — they transform the truck.

Robert H. Lewis

2019 Ram 1500 Towing a Boat

Made for Every Trailer, Every Weekend, Every Mile

Whether it’s work or play, SumoSprings keeps your tow stable and your cargo protected.

Fifth-Wheel Haulers

Reduce rear-end sag and sway for smoother, more confident long-distance towing.

Boats & Toy Haulers

Protect your cargo and your ride with progressive damping that absorbs shock.

Fleet Tow Vehicles

Maximize uptime and eliminate air-related failures with zero-maintenance solutions.

Construction Trailers

Bolt-on support for equipment haulers, jobsite gear, and heavy-duty payloads.

Stronger suspension. Smarter support. Zero compromises.

Ready to Upgrade Your Towing Game?

From weekend trailers to commercial fleets, SumoSprings and Trailer SumoSprings deliver a better towing experience — no air, no leaks, no problem. With progressive support, simple installs, and a lifetime guarantee, your suspension stays strong, smooth, and worry-free. Wherever you’re hauling, you’ll ride better with SumoSprings.

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Trailer sumosprings for your trailer

Kit Assali "Spring-Over"

Kit Assali Sospesi a Molla

Piastra di contatto per rimorchio SumoSprings

Se il tuo rimorchio è dotato di un telaio sfalsato rispetto all'asse, è necessaria una piastra di contatto per l'installazione dei tuoi Trailer SumoSprings.

rebel sumosprings for your tow vehicle

An Innovative Two Piece Solution, Designed to Replace Air Bags

Never Deal with Leaks Again

Ditch the hassles of air bags and never worry about a puncture again. With a lifetime gaurantee, Rebel SumoSprings will outlast your vehicle.

No Lines or Compressors

SumoSprings are a set it and forget it solution. You'll never have to adjust pressure, replace air lines, or deal with costly compressors.

Installazione imbullonata

Easy, DIY installation can be completed easily in your drive way, keeping you on the road and out of the repair shops.

No Impact on Articulation

The innovative two piece design allows for full articulation. No fear of ripping bags here.

Perché litigare con compressori, perdite e rigidi aiutanti metallici?

Meglio degli airbag. Più sicuro degli spessori. Più intelligente in tutto.

Gli airbag richiedono una manutenzione costante, controllando la pressione, riparando le perdite, reindirizzando le tubazioni. I distanziali in metallo limitano l'escursione e non aggiungono un vero supporto elastico.

SumoSprings Rebel supera entrambi. La sua schiuma progressiva offre un'attenuazione fluida, controllo del rollio e protezione dal fondo corsa, senza limitare l'articolazione. E senza aria da gonfiare, regolazioni da effettuare e fatica da metallo su metallo, Rebel funziona quando ne hai bisogno e scompare quando non ti serve.
Trovate il kit giusto per voi

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