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If you’re diving into the world of motorsport or just want to take your track days a bit more seriously, the Profi II ASM harness is a solid choice. This four-point system is perfect for driver education cars or any setup where you’re sticking with stock seats. Just a heads up—if a seat wasn’t made for racing restraints, don’t try to modify it for a sub strap. Trust me, you don’t want to go down that road.
What sets the Profi II ASM apart is Schroth's unique ASM (Anti-SubMarining) technology. It’s a game changer. There’s an extra fold of material in the right shoulder belt that stretches at a different rate than the outboard belt. This clever design lets your upper body twist a bit during a crash, which means when things get hairy, your torso stays firmly planted in the seat instead of sliding under the lap belt. Safety first, right?
Now, the shoulder straps are 3” wide, and they play nice with Forward Neck Restraints like a HANS device—so you can rest easy knowing you’re covered on that front. Plus, if you decide you want to upgrade to a six-point setup, adding a dual sub strap is a breeze.
Another cool feature of the Profi series is the Flexi Belt. The end fittings and cam latches are integrated into the harness, which means you can switch your lap belt from a pull-up to a pull-down configuration. This flexibility lets you customize it to fit your setup just right. If you need bolt-in brackets, they can be wrapped in as well, but don’t worry—snap-in brackets come standard.
The shoulder straps are designed to wrap around a roll bar, giving you a secure fit. And while snap-in attachments come with the lap belts, you can also opt for bolt-in brackets if that’s more your style.
For anyone looking to install this harness, check out the Installation Guide for all the nitty-gritty details. The SR 20901-30 Schroth Profi II ASM Flexi Snap Silver Left is ready to take your safety and performance to the next level—without any fuss.
Proposition 65
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
For more than 60 years, Schroth Racing has been manufacturing racing and tuning (street-legal) harnesses. Today, Schroth provides safety equipment for the motorsport, aviation, and military industries. You will find Schroth harnesses on some of the most prominent drivers in virtually all motorsport series. The company is constantly demanding higher standards from sanctioning bodies to raise awareness of rules that can improve driver safety.
Schroth technology has initiated such improvements of standards and products throughout the industry. Examples of Schroth innovations include the development of the Schroth safety system, the patented RFR(tm) rotary (cam lock) buckle, and the patented HYBRID(tm) restraint. As a licensee to manufacture and distribute the HANS device, Schroth Racing continues to further develop the HANS device through extensive HANS testing.
What is Schroth Racing Known For?Since its inception in 1960, the brand has been conducting rigorous crash tests to enhance product quality and performance in accordance with increasing safety guidelines. Schroth Racing is known all around the world for designing and manufacturing the most technically advanced racing harnesses on the market. Not only does Schroth produce state-of-the-art safety belt systems for all motorsport series, but also for nearly all major airplane and helicopter manufacturers.
With the knowledge gained from extensive testing methods, Schroth Racing can rightfully be called the technology leader in competition racing, tuning, and aviation. Schroth supplies harnesses to F1, IndyCar, WRC, NASCAR, Porsche, ALMS, Dakar Rally, FIA GT, and many other top teams and series around the globe. Furthermore, Schroth offers customized solutions for occupant protection in military ground vehicles, airplanes, and helicopters. The brand also manufactures safety products for rescue vehicles and special-purpose vehicles.
Find Schroth Racing at Vivid RacingSchroth Racing is always on the cutting edge of safety technology and has many patents to its name. So, you can feel good and secure when strapped into their harnesses. If you are ready to upgrade your ride’s seats with a set from Schroth, then look no further. Vivid Racing carries a long lineup of Schroth belts, harnesses, head restraints, Hans devices, helmet hardware, and more! If you have any questions regarding the products above or about Schroth Racing, please call our sales team at (480) 966-3040.
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