Due to Material supply issues Rotobox production is now 8 to 10 weeks
Carbonin production will resume Aug 17th please allow extra time for non stock items to be produced after the European Vacation





Motorcycle Apparel Sizing & Return Policy
To ensure the best fit, please carefully review our sizing guide before ordering.
Do not assume your usual size based on other brands, as sizing can vary significantly between manufacturers. Measure yourself using a tailor’s tape and refer to our size chart to determine the correct size. Avoid delays in wearing your gear by ensuring the right fit before ordering.
Return Policy
Once tags have been removed or the item has been worn on a motorcycle, it cannot be returned. We strongly recommend keeping all tags attached and trying on the gear indoors or sitting on your motorcycle to ensure a comfortable fit before use.
We feel this is the only way to 100% guarantee that the riding and protective gear you purchase from our store has not been compromised in any way.
Following these guidelines will help ensure the best fit and a smooth purchasing experience.
We display live inventory for in-stock items. However, due to demand and sizing options, popular 4SR products can sell out. These items are restocked in our bi-weekly orders. If an item is out of stock, it can still be purchased and will arrive with our next order, typically within 2–3 weeks (excluding holiday periods).
The 4SR leather suit is well known not only for its quality and style, but above all for its uncompromising safety and comfort. The Racing Blue AR is made of 1.2mm thick cowhide and is equipped with a total of 21 integrated protectors that will provide you with maximum protection in every situation. In addition, it is also Airbag Ready, which means it is ready for the use of the airbag system, that will increase your safety to the absolute maximum. Investing in this suit means investing in your personal safety and comfort for every ride.
Thanks to the unique cut and placement of accordion stretch panels, you can use several variants of standalone airbags available on the market. Our stitching and materials remain and will always remain 100% the same as our factory racers suits.
The price includes knee and elbow sliders, internal protectors, removable chest and back protectors, double hip and coccyx protection and all from reputable brands. We have 21 ergonomically placed protectors, the most used in any mass-produced 1pc leather suit.
We have also developed a simple and effective solution for holding up your leathers between track sessions, 4SR's Zipper Lock system will effectively hold the upper half of your suit out of the way.
The one-piece Racing Blue AR Airbag Ready is also equipped with:
Standard equipment of the Racing Blue AR Airbag Ready® includes:
What does 4SR have and others don't?:

| SKU: | 110110348 |
|---|---|
| Downloads: | 4sr custom suit measurements |
One of the best purchasing experiences I've had. Customer service and communication is excellent.
They're a little tricky to install if you leave the radiator on the bike, but doable with minimal tools. The fit and finish can't be beat.
professional and very nice conversation and customer service even i did some mistake and they fix it
thank you 🙏
Very happy with the shock. HHR was great!
Easy fast and what I wanted
Love it, wish it came in twill weave gloss but it is on sale and fit and looks amazing! Just ordered frame carbon fiber from here as well to match !
I ordered this part for my r6.
Got a email back about 4 days later saying I didnt order the correct lines for it.
HHR didnt have to do that. I would not have known they took the time to make sure i got the part the first time.
I appreciate that alot. Integrity in this day and age seems to be long forgotten thing.
Will be ordering more parts as I need them and will use HHR for them.
Awesome piece and fits perfect. Definitely recommend getting this over the standard version, which I also have. This one pan is 30mm lower. Also make sure you get the Alpha seat Support bracket if running the stock subframe in addition to the mounting kit.
8mm swingarm spools such a great design very strong and doesn’t weigh nothing there not so big so it doesn’t stand out it’s perfect
Great experience
Does what it's supposed to do
Love the quality and how fast I received my item even being custom ordered
Perfect fit and great quality. The coolent hose clamps are definitely a must due to there perfect sizing
Item came exactly as expected super fast shipping and the quality is insanely good product is exactly as described
little slow on shipping but i was ordering parts for a 30 yr old bike. All in all good transaction informed whole way thru with times
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