Frequently Asked Questions


Arnott’s TruAIR® Suspension is true onboard adjustable air suspension, providing superior comfort, adjustability and great looks. Using a powerful onboard compressor, Arnott kits offer fast, on-the-fly adjustable air spring firmness.
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We accept all major credit cards: Visa, Mastercard, American Express, and Discover. If you do not have a credit card, you can either pay us through PayPal or by mailing us a Money Order or Cashiers Check. Arnott can also process bank transfers. Call Customer Support for additional details.

Arnott® Inc. offers a Limited Lifetime Warranty for United States and Canada on Arnott branded Air Springs, Air Struts, Compressors, Coil Spring Conversion Kits and Arnott branded Adjustable Motorcycle Suspension Kits. Orders for Arnott branded products outside of the United States and Canada (i.e., the European Union, Mexico, and the rest of the world) come with a Limited Two-Year Warranty. Arnott offers a 30-Day Money Back Guarantee and a 90-Day Return Policy on unused and uninstalled products. Arnott offers a 30-Day Warranty on parts used in commercial vehicles. Improper use or installation is not a manufacturer's defect and is not covered by the warranty. The Arnott Warranty is non-transferable.

Click Here to read the full text of the Arnott warranty.


Yes we ship worldwide through UPS. Please email us with your address and parts desired so we can give you an accurate shipping quote. We can ship USPS by request.

* International shipping charges do NOT include customs fees, import taxes, brokerage fees, or duties. Please contact your local customs office for more information on these costs.

Arnott is so confident you will be 100% satisfied with our products that we offer you a 30-Day Money Back Guarantee and a 90-Day Return Policy on unused and uninstalled products. A Return Merchandise Authorization (RMA) number is required which can be obtained by calling Customer Support.

Many of Arnott’s most popular motorcycle air suspension kits have been pre-assembled and are available for immediate shipping from our Merritt Island, FL facility if ordered by 2:30 PM ET (Monday – Friday). Kits that are not in stock will be custom assembled at Arnott’s Florida facility and are typically shipped within 1-2 business days. Once shipped, Ground Delivery takes 1-6 business days depending on what state you live in. Next Day Air will arrive the next business day in the United States and does not include Saturdays unless you call Customer Support to make arrangements. Arnott customer support is open Monday thru Friday 8:00 AM to 6:00 PM ET.


Most Arnott kits come with detailed installation instructions. Many of those, along with schematics, can be downloaded from this web site. Available installation manuals will be included with your kit. Arnott also has a growing list of installation videos available. For additional fitment or installation help you may also call Arnott Technical Support Monday - Friday 8:00 AM - 6:00 PM ET at 877.900.0247/321.868.3016.

While everyone has different tastes and needs, one rule of thumb is when riding single up the PSI is 45 to 50 and when riding double up it's around 65 to 75 PSI. The best way for a riding adjustment is with the weight applied to the bike at each riding time, the shock is adjusted to the middle of the up and down travel.

Don't be fooled by products that are only air cylinders or are air assisted.

Air Cylinders or Canisters will enable you to raise and lower your bike but it is not really a suspension system since it does not have a true shock for controlling damping. 

Air Assisted shocks include standard coil springs with added air to help with bottoming out or for carrying heavier loads but can't be fine tuned or easily adjusted.

Arnott's true Adjustable Air Suspension includes an air spring or air bag which replaces the coil spring. This enables you to adjust the ride height and ride quality. True Air Suspension offers spring rate adjustability and the greatest flexibility to carry almost any load.

The factory suspension on some Harley-Davidsons has air in it that you can adjust with an external or hand pump. The shocks on those bikes have a coil spring which is surrounded by oil. When adding air to this system you are pressurizing the oil which may help increase spring rate to prevent bottoming out. Factory shocks last only about ten thousand miles. 

Arnott Air Suspension gives you greater adjustability of the system's air springs using an onboard switch. This system helps you to quickly raise and lower the bike and provides greater control of your ride quality. Arnott shocks come with a Limited Lifetime Warranty.

Arnott parts have been designed, tested and optimized to work in an Arnott Motorcycle Kit. Arnott does sell replacement parts for Arnott air suspension systems that may be out of warranty but does not sell parts for other systems. Proof that the system is an Arnott kit is required. Call Customer Support Toll Free at 877.900.0247 or 321.868.3016 from outside North America for more information.

It is normal to hear a slight popping noise during the break-in period of Arnott’s adjustable motorcycle air suspension kits. This is caused by the new rubber air sleeves expanding during inflation for the first few times and will go away after the normal break-in period. This noise is completely harmless and will subside within a short period of time.