Öhlins Suspension: A legacy of Innovation and Excellence

Who is Öhlins

When it comes to enhancing the ride quality, handling, and performance of a motorcycle, few names resonate as powerfully as Öhlins. With a history steeped in racing and innovation, Öhlins has carved out a reputation for providing some of the most advanced suspension solutions in the world. In this blog, we dive deep into the legacy of Öhlins, particularly focusing on their specialized suspension systems for Harley Davidson motorcycles, exploring their racing impact, and demystifying the technology behind their external reservoir shocks and fork cartridge kits that have helped cement their name as a industry leader in the world of suspension.

What is the the History of Öhlins

Founded in 1976 by Kenth Öhlin, Öhlins Racing AB began as a small Swedish company focused on producing suspension for motocross bikes. From the outset, Öhlins' mission was clear: to develop suspension systems that could handle the most punishing conditions while offering unparalleled performance. Over the decades, Öhlins expanded its offerings to include suspension for cars, motorcycles, mountain bikes, and even industrial applications, but it's their motorcycle segment that has particularly captured the hearts of enthusiasts worldwide.

How Has Öhlins impacted Motorcycle Racing

Öhlins' impact on motorcycle racing is profound. Over 400 motorsport championships have been clinched using Öhlins suspension, from motocross to MotoGP, Superbike, and beyond. Their technology has been pivotal in these victories, offering riders the confidence to push the limits on track. For Harley Davidson, which has its own storied racing history, Öhlins suspension has brought a new level of competition to baggers and cruisers, notably in events like the King of the Baggers, where handling precision is key.

How Öhlins Drives the Modern Era

Today, Öhlins continues to innovate, with a strong emphasis on sustainability and high-performance engineering. Their aftermarket products for Harley Davidson include a range tailored to enhance the ride of both heritage and modern cruisers. Öhlins' commitment to quality and performance has made their products a popular choice among Harley owners looking for upgrades that not only improve ride comfort but also the aesthetic appeal of their bikes.

What is the Science Behind Öhlins' Suspension

There are several variations of the STX series shocks, depending on your performance needs and budget. The lower tier versions have preload adjustment with multiple spring rate options while the mid tier models like the HD 772 Shocks that come with preload adjustment, rebound adjustment, adjustable length with multiple spring rate options. Finally there is the HD 357 and the HD 779 shocks featuring adjustment for compression, rebound, length, and preload for endless tune-ability, and has the added benefit of the remote reservoir which helps with heat dissipation for the most grueling of rides ensuring your maintain top tier performance.

Pictured is the STX36 (HD357) Remote Reservoir Shocks Find out more Here

External Reservoir Shocks: These shocks are engineered to offer superior heat dissipation and more consistent damping performance. The external reservoir contains additional fluid and gas, which helps in maintaining optimal hydraulic pressure. Here's how they work:

• Hydraulic Damping: The shock absorber uses hydraulic fluid to resist motion, converting kinetic energy into heat. The external reservoir increases the volume of fluid, allowing for more consistent damping across various conditions.

• Gas-Charged Design: Nitrogen gas is used to pressurize the system, which prevents cavitation and ensures the fluid's responsiveness. This setup also helps in maintaining fluid pressure as the shock heats up.

• Adjustability: Compression and rebound damping can be adjusted via external knobs or preload can be set with tools, offering riders the ability to tailor the bike's response to their specific needs or the load they're carrying.

• Valve Technology: Öhlins utilizes advanced valve designs, like the DCC (Dual Compression Control) for high and low-speed compression adjustments, ensuring the shock can handle both small road imperfections and large bumps with precision.

Fork Cartridge Kits: Öhlins' fork cartridge kits, notably the NIX series (Nitrogen Pressurized Cartridge) for Harley Davidson, replace the internals of the stock forks with high-performance damping components:

• NIX Technology: Each fork leg is dedicated to either compression or rebound damping. The nitrogen gas charge in the system ensures consistent performance by maintaining hydraulic pressure, which minimizes fork dive during braking and enhances stability.

• Teflon-Coated Pistons: These reduce friction, ensuring smoother travel and less wear over time.

• Precision Adjustment: Riders can adjust preload, compression, and rebound, matching the suspension to their weight, riding style, and conditions without needing to disassemble the fork.

• Fork Leg Separation: By separating the damping functions, Öhlins allows for more precise tuning, reducing the cross-talk between compression and rebound forces, leading to better control and feedback.

Öhlins for Harley Davidson

For Harley enthusiasts, Öhlins offers a range of products that cater specifically to the unique dynamics of Harley bikes:

• Front Cartridge Kits: The FKC 200 series fork cartridge kit for FLH/FLT models brings advanced Öhlins technology to the front end, significantly improving handling and ride quality. The kit features 8mm steel shafts, aluminum damper tubes, and 22mm pistons, which work together to reduce brake dive and enhance control.

• Rear Shocks: For touring models and cruisers like the Glides, Softail, and Dyna, Öhlins provides shocks such as the STX36 and STX46 series. These shocks are available in different configurations, including Blackline for a stealth look or with remote reservoirs for those looking for top-tier performance. 

• STX Technology: This refers to Single Tube eXpert, where a single-tube design ensures consistent damping performance, particularly beneficial for Harley's often substantial weight and cruising style.

• Customization: Öhlins also caters to the custom Harley scene with products like the TTX (Twin Tube eXpert) shocks, known for their race-derived technology, offering exceptional high-speed damping control, perfect for modified Harleys where riders seek both performance and style.

• Screamin' Eagle Collaboration: Öhlins has partnered with Harley's Screamin' Eagle to produce signature shocks that blend Öhlins' technology with Harley's performance ethos, bringing race-ready suspension to the street.

Is Öhlins Right for Your Harley Davidson

Öhlins has not just been part of motorcycle history; they've helped shape it, especially in terms of suspension technology for Harley Davidson motorcycles. Their products are not merely about upgrading; they're about transforming the riding experience. Whether you're a weekend cruiser or a track day enthusiast, Öhlins' suspension systems for Harley Davidson bikes offer the control, comfort, and performance that riders crave. This blend of historical innovation, racing pedigree, and cutting-edge technology makes Öhlins a must-consider for anyone looking to elevate their Harley's capabilities.

As you explore the world of Öhlins, remember that each component is a testament to their commitment to excellence. For Harley riders, this could mean not just a smoother ride but a truly personalized experience on two wheels.

Find out more about the different suspensions Öhlins offers here.

Common Questions and Answers on Öhlins Suspension for Harley Davidson

Q1: Why should I upgrade to Öhlins suspension on my Harley Davidson?

A: Upgrading to Öhlins suspension can significantly enhance your riding experience by improving handling, stability, and comfort. Öhlins products offer adjustable damping for both compression and rebound, allowing you to fine-tune your bike's response to your weight, riding style, and road conditions. This upgrade can make your heavy Harley feel more agile and responsive, especially in cornering and braking scenarios.

Q2: How do I choose the right Öhlins suspension for my Harley model?

A: Öhlins offers a product finder tool on their website where you can input your Harley's make, model, and year to find compatible suspension products. For a more personalized choice, consider your typical riding conditions, passenger/load frequency, and whether you're looking for comfort, performance, or both. Consulting with an Öhlins dealer or a suspension specialist can also guide you to the best fit for your needs.

Q3: What's the difference between Öhlins shocks with and without an external reservoir?

A: Shocks with an external reservoir have additional fluid capacity, which helps in maintaining consistent damping performance by better dissipating heat. This leads to less fade over long rides or during aggressive use. Without an external reservoir, shocks might not manage heat as effectively, potentially leading to performance degradation under sustained use. However, non-reservoir shocks can still be an excellent upgrade over stock, offering more adjustability and better performance for less demanding conditions.

Q4: Are Öhlins suspension products easy to install, or do I need professional help?

A: While some enthusiasts with mechanical skills might find installation within their capabilities, Öhlins suspension, especially fork cartridge kits, often require precise setup and possibly specialized tools. Incorrect installation can affect performance and safety, so professional installation is recommended unless you're very experienced with motorcycle suspension work. Many Harley dealerships or specialized shops offer installation services for Öhlins products.

Q5: How often should Öhlins suspension be serviced?

A: Öhlins recommends servicing their suspension components every 20,000 to 30,000 kilometers or once a year, whichever comes first. This maintenance includes replacing seals, checking for oil leaks, and ensuring all adjustments are functioning correctly. Regular servicing helps maintain performance, longevity, and safety. If you ride frequently or in harsh conditions, consider more frequent checks

Q6: Can Öhlins suspension make my Harley more comfortable for long rides?

A: Absolutely. Öhlins products are designed to provide a balance between comfort and performance. By adjusting the preload, compression, and rebound, you can set up the suspension for a more compliant ride, reducing fatigue on long journeys while still offering control and handling when needed.

Q7: Will upgrading to Öhlins void my Harley's warranty?

A: Typically, upgrading aftermarket parts like suspension does not void the entire motorcycle warranty. However, issues directly related to the modified parts might not be covered under warranty. It's advisable to check with your Harley dealer or review the warranty terms, as policies can vary.

Q8: How much can I expect to pay for Öhlins suspension on a Harley Davidson?

A: Prices vary widely based on the specific product, whether it's a shock, fork cartridge kit, or a complete suspension setup. A single rear shock can start at around $800 to $1,000, while a full kit with front and rear might cost upwards of $2,000 or more, depending on the model and features like external reservoirs or adjustability. Remember, you're investing in performance and durability.