2022–2026 Harley-Davidson Low Rider ST FXLRST: Milwaukee-Eight 117 Softail Sport-Tourer

The Harley-Davidson Low Rider ST FXLRST arrived for the 2022 model year as one of the clearest signs that the factory had been watching its own enthusiast underground. It was not a Touring-frame bagger, and it was not simply a Softail with luggage bolted on. The FXLRST took the Low Rider S formula—Milwaukee-Eight 117 power, inverted fork, dual front discs, lean club-style stance—and gave it the fixed fairing and hard-bag vocabulary long associated with the FXRT, FXRP, and later West Coast performance-bagger scene.

Within the Milwaukee-Eight Softail generation, the Low Rider ST occupies a very specific place. It is the factory-built answer to riders who wanted Dyna attitude, FXRT visual memory, modern Softail stiffness, and enough weather protection and luggage to make the motorcycle useful beyond a Saturday canyon loop. For collectors and serious Harley-Davidson observers, its importance lies less in rarity than in timing: the FXLRST documents the moment when club-style and performance-bagger ideas became showroom product rather than aftermarket language.

Best Known For: the Low Rider ST FXLRST is best known as Harley-Davidson’s Milwaukee-Eight 117 Softail that fused Low Rider S performance hardware with an FXRT-influenced frame-mounted fairing and hard saddlebags.

Quick Facts

The following table gives the essential reference points for identifying the FXLRST within the Milwaukee-Eight Softail family. Launch-period factory specifications are used where appropriate; model-year equipment should always be checked against the specific motorcycle’s VIN, market, and build documentation.

The key phrase is Softail, not Touring. The Low Rider ST may wear bags and a frame-mounted fairing, but its chassis, ergonomics, and mechanical identity are rooted in the Milwaukee-Eight Softail platform and the Low Rider S, not the Road Glide or Street Glide family.

Why the Low Rider ST FXLRST Matters

The FXLRST matters because it is one of the rare modern Harleys that can be read as a direct dialogue between factory product planning and owner-built culture. For years, riders had been building Dyna and later Softail performance cruisers with T-bars, mid controls, upgraded suspension, 2-into-1 exhausts, hard bags, and FXRT-style fairings. The Low Rider ST did not invent that language, but it legitimized it in the showroom.

It also corrected a recurring tension in Harley-Davidson’s modern line-up. Riders who wanted big-distance capability were often pushed toward the Touring chassis, while riders who wanted the narrower, more aggressive feel of a Softail had to compromise on weather protection and luggage. The Low Rider ST narrowed that gap without pretending to be a full-dress touring motorcycle.

Historically, the machine is important because it revived a specific visual memory: the frame-mounted fairing associated with FXRT and FXRP models of the 1980s and early 1990s. Those motorcycles were not sales monsters in their day, but they became cult objects among police-bike collectors, performance Harley riders, and FXR loyalists. The Low Rider ST channels that reference without being a retro replica.

Historical Context and Development Background

By the time the FXLRST appeared, Harley-Davidson’s Softail line had already absorbed much of the role once held by the Dyna family. The 2018-up Softail chassis was stiffer than the old twin-shock Dyna layout, used a hidden monoshock rear suspension, and carried the Milwaukee-Eight engine in a cleaner, more integrated package. To traditionalists the loss of the Dyna frame was emotional; to engineers and riders chasing corner speed, braking, and engine output, the newer platform offered a stronger base.

The Low Rider S had become the obvious focal point for that shift. It carried the club-style attitude, upright controls, darker finishes, and improved braking equipment that appealed to riders modifying late Dynas and early Milwaukee-Eight Softails. The Low Rider ST extended that idea by adding useful weather protection and lockable-looking hard luggage without moving to the heavier Touring frame.

The competitor landscape was not merely Indian, BMW, or Japanese sport-tourers. The more direct competition was often an owner’s own parts catalog: aftermarket FXRT fairings, detachable bags, high-output engine kits, premium shocks, and taller bars. Harley-Davidson’s decision to build the Low Rider ST effectively admitted that a substantial part of the cruiser market no longer wanted chrome nostalgia alone. It wanted torque, stance, luggage, wind management, and a factory warranty.

Racing influence is indirect but visible. The FXLRST is not a race homologation motorcycle, yet it belongs to the same cultural moment that made King of the Baggers, hooligan flat track, and performance-oriented Harley builds commercially visible. Its posture is less boulevard cruiser than long-legged back-road weapon by Harley standards.

Engine and Drivetrain

The heart of the FXLRST is the Milwaukee-Eight 117, the largest regular-production Milwaukee-Eight displacement used in the Softail line at the model’s introduction. It is a 45-degree pushrod V-twin with four valves per cylinder, a single camshaft, dual spark plugs per cylinder, hydraulic lifters, and electronic sequential port fuel injection. Compared with earlier Twin Cam and Evolution-era big twins, the Milwaukee-Eight architecture brought better breathing, improved thermal management, and a broader torque curve.

Harley-Davidson’s factory literature for the Low Rider ST emphasized torque rather than horsepower. The commonly listed launch specification is 125 lb-ft of torque at 3,500 rpm. Official U.S. Harley-Davidson material generally did not publish a horsepower figure for this model, and chassis-dyno results vary too much with exhaust, calibration, break-in, and test method to be treated as a factory specification.

The drivetrain follows modern big-twin Harley practice: chain primary drive, wet multi-plate clutch, six-speed Cruise Drive transmission, and belt final drive. The combination gives the FXLRST its familiar big-twin rhythm at low speed, but the 117’s breathing and gearing make it more urgent than the smaller-displacement Milwaukee-Eight Softails.

In mechanical personality, the 117 is not simply a larger number on an air-cleaner insert. It gives the Low Rider ST the lazy but forceful roll-on performance that suits a bagged Softail: fewer downshifts, heavy midrange shove, and a sense that the engine is doing its best work well below frantic rpm.

Chassis, Suspension, and Braking

The Low Rider ST uses the modern steel Softail frame, with the rear suspension hidden beneath the seat area to preserve a hardtail-like visual line while providing monoshock function. This architecture is central to the model’s identity. It gives the motorcycle a cleaner silhouette than a twin-shock Dyna and a more compact feel than a Touring-frame bagger.

At the front, the inverted fork and dual-disc brake package separate the FXLRST from softer cruiser specifications. The fork visually reinforces the bike’s performance intent, while the twin front discs are a practical necessity on a machine carrying a large-displacement engine, fairing, bags, and substantial wet weight. The rear suspension was also part of the Low Rider S-derived posture, giving the ST more cornering seriousness than the slammed cruiser stereotype.

Visually, the frame-mounted fairing is the model’s defining object. Unlike a handlebar-mounted screen, it does not swing with the bars, which changes both the look and the feel at low speed. The hard saddlebags sit high enough to preserve the compact Softail stance, avoiding the full touring silhouette of a Road Glide or Street Glide.

The chassis equipment explains why the FXLRST drew attention from riders who previously built their own performance Softails. The factory did not give it sportbike mass or Touring-bike luxury; it gave it the minimum hardware needed to make the concept credible.

Riding Experience and Mechanical Character

The Low Rider ST starts like a modern injected Harley rather than an old kick-only big twin: keyless security on equipped markets, thumb the starter, and the 117 settles into the familiar Milwaukee-Eight cadence. There is no carburetor tickling, choke ritual, or ignition-retard choreography. The ritual is modern, but the sensory center remains the same: a large flywheel V-twin making useful torque before the rider has any reason to chase rpm.

The riding position is purposeful by cruiser standards. The bars, mid-mount control relationship, narrow waist of the Softail chassis, and compact saddlebag placement make it feel less like a lounge chair than a Touring model. The fairing gives meaningful wind relief at speed, though it does not turn the motorcycle into an Electra Glide. That distinction matters: the ST is best understood as a long-range performance cruiser, not a luxury tourer.

Throttle response from the 117 is defined by mass and torque rather than nervousness. The engine pulls with authority from low rpm and has the heavy pulse expected from a big Harley V-twin, but the four-valve Milwaukee-Eight heads give it cleaner breathing than older big twins. Mechanical noise is muted by modern standards, though intake honk, exhaust note, primary whir, and valve-train texture remain part of the experience.

The six-speed gearbox has the deliberate, positive action familiar to late-model big twins. Clutch effort and engagement depend heavily on adjustment, mileage, and any aftermarket changes, but the stock machine is fundamentally easier to live with than the older cable-heavy, high-compression custom builds it visually references. Braking is substantially better than single-disc cruiser practice, yet the rider is always aware of the motorcycle’s mass. The front brake package is not decorative; it is central to making the ST credible.

On flowing roads, the fixed fairing contributes to stability because it is mounted to the frame rather than the bars. At parking-lot speeds, the rider notices the weight, steering lock, and fairing width more than any marketing language about sport touring. Once moving, the chassis feels tauter than the old Dyna mythology many riders still carry in their heads, while retaining enough Harley mass and engine pulse to avoid feeling generic.

Identification and Originality

Correct identification begins with the FXLRST model designation and the motorcycle’s factory paperwork. Unlike early Harley-Davidsons, where tank construction, strap mounts, belt drive, and exposed atmospheric-valve engines can dominate identification, the Low Rider ST is a modern VIN-era motorcycle. Collectors should rely on the VIN, title, factory build data, emissions labels, and service records rather than cosmetic assumptions alone.

The defining visual identifiers are the frame-mounted fairing, hard saddlebags, Low Rider S-derived stance, Milwaukee-Eight 117 engine badging, inverted fork, dual front discs, and Softail chassis line. A Low Rider S with aftermarket bags and an FXRT-style fairing can look similar from across a parking lot, but it is not an FXLRST unless the factory model code and documentation support it.

Originality issues are already relevant because the ST appeals to owners who modify. Common changes include exhaust systems, intake assemblies, engine calibrations, handlebar and riser swaps, seats, rear shocks, audio equipment, lighting, and bag hardware. None of those changes is unusual, but for a collector-grade example the removed factory parts, original exhaust, emissions equipment, keys/fobs, owner’s manual, and delivery documents carry real value.

Paint and special-edition trim deserve careful attention. Limited factory paint schemes and serialized special versions should be verified by factory documentation, not by badges or aftermarket graphics alone. Reproduction fairing pieces, aftermarket FXRT-style parts, and color-matched bags can be excellent for riders, but they complicate originality claims.

Model Code and Variant Breakdown

The FXLRST sits in a small but important cluster of factory models and special editions. The table below separates the standard Low Rider ST from closely related factory variants that enthusiasts often compare or confuse.

The important distinction is that FXLRST is the production Low Rider ST code. The El Diablo and Enthusiast Collection machines may be more collectible as factory specials, but they should not be used to define every ST.

Performance and Dimensional Specifications

Harley-Davidson’s official material for the Low Rider ST emphasizes torque, displacement, running weight, tire sizes, and chassis equipment rather than sportbike-style acceleration figures. Factory 0–60 mph, quarter-mile, and top-speed figures are not consistently published for the FXLRST, and aftermarket test numbers depend heavily on conditions and modifications.

Those numbers put the ST in its proper frame of reference. It is powerful and quick by air-cooled big-twin cruiser standards, but its appeal is not a spec-sheet sprint claim. Its real performance asset is the 117’s torque matched to a chassis and brake package that let the rider use more of the engine with confidence.

Compared With Related Harley-Davidson Models

Low Rider ST FXLRST vs. Low Rider S FXLRS

The Low Rider S is the natural comparison because the ST effectively builds outward from that idea. The S is leaner, simpler, and more obviously a performance cruiser. The ST adds the fixed fairing and bags, bringing weather protection and luggage at the cost of additional weight and visual bulk.

For riders who never tour or commute, the S can feel cleaner and more elemental. For riders who want the same basic attitude with real-world carrying capacity, the ST is the more complete motorcycle.

Low Rider ST vs. Road Glide and Street Glide

The Road Glide and Street Glide are Touring-frame motorcycles, not Softails. They offer a different scale of comfort, luggage capacity, passenger accommodation, and highway presence. They also carry more touring mass and a broader touring mission.

The Low Rider ST is best understood as the more compact, more aggressive alternative. Its frame-mounted fairing may invite Road Glide comparisons, but the riding feel is narrower, lighter in concept, and more closely tied to performance-cruiser culture.

Low Rider ST vs. FXRT and FXRP

The visual lineage to the FXRT and FXRP is deliberate in spirit, even if the engineering is entirely modern. The FXRT used the FXR chassis and became admired for its frame stiffness, handling, and frame-mounted fairing. The FXRP police machines later helped cement that image among riders who associated them with high-mileage utility and authority-bike toughness.

The Low Rider ST does not reproduce the FXR chassis, nor should it be judged as an FXR revival. Its significance is that Harley-Davidson recognized the collector and custom appeal of that fairing-and-bags silhouette and translated it into the Milwaukee-Eight Softail era.

Restoration and Ownership Notes

Because the FXLRST is a modern machine, restoration is less about casting numbers and hand-formed tinware than about documentation, correct equipment, and reversing common modifications. Parts availability is generally strong through Harley-Davidson dealers, Screamin’ Eagle support, and the aftermarket, but factory-painted bodywork, special-edition trim, and complete original exhaust systems can become disproportionately important as models age.

Mechanical inspection should focus on modification quality. Many STs receive exhausts, tuners, cams, air cleaners, suspension changes, and handlebar conversions early in life. A properly calibrated, well-assembled performance build can be excellent; a poorly mapped engine with missing emissions equipment, damaged wiring, or questionable warranty history is a very different proposition.

The Milwaukee-Eight platform is well supported, but buyers should still inspect for oil leaks, abnormal valve-train noise, primary or clutch issues, charging-system health, and evidence of overheated or abused engine calibrations. Service records matter, especially where engine performance parts have been installed.

Frame, fork, fairing, and bag alignment deserve close attention because the ST’s visual signature depends on those parts sitting correctly. A small crash, tip-over, or poor accessory installation can leave subtle evidence in fairing mounts, bag supports, bar alignment, or fork stops.

Buyer and Restoration Inspection Points

A knowledgeable inspection of a Low Rider ST should separate normal enthusiast personalization from damage, missing factory equipment, or devaluing alterations. The table below focuses on the areas that matter most for this specific model.

The best FXLRST purchases are usually not the most modified examples, but the most coherent ones. A lightly improved motorcycle with careful records and retained stock parts is easier to trust than a heavily altered machine with no calibration history.

Collector and Market Relevance

The Low Rider ST is collectible in a modern sense: not because every example is rare, but because it captures a distinct moment in Harley-Davidson culture. Factory recognition of club-style and FXRT-influenced performance-bagger taste gives the FXLRST a significance that will remain legible even as the used market fills with modified examples.

Collectors tend to value originality, low mileage, factory documentation, desirable colors, and completeness. Special factory editions such as the Low Rider El Diablo and Enthusiast Collection versions attract additional interest because they combine the ST concept with limited production identity and distinctive factory finish. For the standard FXLRST, the most desirable long-term examples are likely to be uncrashed, uncut, correctly documented motorcycles with original exhaust and emissions equipment retained.

Custom culture is both a strength and a complication. The motorcycle was born from modification trends, so tasteful changes may suit its character. Yet as with earlier FXR, Dyna, and performance Softail models, unmolested examples eventually become harder to find than modified ones.

Cultural Relevance

The Low Rider ST belongs to the lineage of riders turning Harley-Davidsons into fast, functional road bikes rather than ornamental cruisers. That thread runs through FXR loyalists, police-bike surplus culture, Dyna stunt and club-style scenes, West Coast performance shops, and the modern bagger-performance movement. The ST’s factory fairing and bags speak directly to that audience.

It has no meaningful military role and is not a police-package motorcycle in the historical sense of the FXRP. Its cultural importance is civilian and enthusiast-driven: commuting, long weekends, club riding, mountain-road use, and the visual language of high-bar, dark-finished, torque-heavy Harleys built to be ridden hard.

The ST also shows how Harley-Davidson’s heritage can be used without simple nostalgia. The motorcycle references the FXRT shape, but the mechanical package is Milwaukee-Eight Softail, not a recreated 1980s FXR. That distinction is exactly why serious enthusiasts discuss it: it is not a museum replica, but a production motorcycle shaped by the aftermarket’s memory.

FAQs

What years was the Harley-Davidson Low Rider ST FXLRST produced?

The Low Rider ST FXLRST was introduced for the 2022 model year and is treated here as a 2022–2026 model-year range. Exact equipment and available colors should be verified by model year, market, and VIN-specific factory records.

What engine is in the 2022–2026 Low Rider ST?

The FXLRST uses the Milwaukee-Eight 117, a 1,923 cc air/oil-cooled pushrod V-twin with four valves per cylinder and electronic fuel injection. Harley-Davidson’s launch specification listed 125 lb-ft of torque at 3,500 rpm.

How is the Low Rider ST different from the Low Rider S?

The Low Rider ST adds a frame-mounted fairing and factory hard saddlebags to the Low Rider S performance-cruiser idea. The Low Rider S is the more stripped machine, while the ST is the more practical long-distance version within the Softail family.

Is the Low Rider ST the same as an FXRT?

No. The Low Rider ST visually references the FXRT and FXRP tradition through its frame-mounted fairing and useful luggage, but it uses the modern Milwaukee-Eight Softail chassis. It is a spiritual descendant, not an FXR-frame revival.

Did Harley-Davidson publish horsepower for the FXLRST?

Official U.S. Harley-Davidson specifications for the Low Rider ST generally emphasized torque rather than horsepower. Third-party dyno figures vary with equipment, tuning, test method, and mileage, so they should not be treated as factory horsepower specifications.

What should buyers inspect most carefully on a used Low Rider ST?

Buyers should verify FXLRST identity, inspect the fairing and saddlebag mounts, check for crash evidence, review engine tuning and exhaust changes, and confirm that original take-off parts are included where possible. Modified examples are common, so documentation and workmanship matter.

Which Low Rider ST versions are most collectible?

Factory special editions such as the Low Rider El Diablo and Enthusiast Collection versions draw added attention because of their limited identity and special finishes. Among standard FXLRST motorcycles, originality, documentation, low mileage, correct factory equipment, and retained stock parts are the strongest collector attributes.

Collector Takeaway

The Low Rider ST FXLRST matters because it is Harley-Davidson listening to the riders who had been building this motorcycle for years. It takes the FXRT memory, the Dyna performance attitude, the Milwaukee-Eight 117 engine, and the modern Softail chassis, then packages them as a factory motorcycle rather than a parts-counter project.

It is not the most luxurious Harley bagger, and it is not trying to be. Its importance is sharper than that: the FXLRST is the production Softail that made club-style sport-touring legitimacy a factory position. For future collectors, the best examples will be the ones that prove what the model was before the catalog and the dyno room rewrote them—documented, complete, correctly equipped, and unmistakably born from the performance side of Harley-Davidson culture.