The 2026 Harley-Davidson® Low Rider® ST combines high-output V-twin performance, sport-focused chassis geometry, integrated touring functionality, and modern rider-assist systems in a single platform. The model uses the Milwaukee-Eight® 117 High Output engine paired with a 6-Speed Cruise Drive® transmission and belt final drive configuration. The motorcycle is designed with a frame-mounted touring fairing profile, cast aluminum wheels, Michelin® Scorcher 31 tires, and a suspension layout intended to support highway stability and responsive handling characteristics. Technical equipment includes standard ABS, traction control, drag-torque slip control, tire pressure monitoring, LED lighting, and a multifunction gauge display with integrated ride information.
The motorcycle measures 92.9 inches in overall length, 35 inches in overall width, and 50.8 inches in overall height. Wheelbase measures 63.6 inches, contributing to directional stability during highway operation. Seat height is listed at 27 inches in laden configuration and 28.1 inches in unladen configuration. Static ground clearance measures 5.7 inches. The motorcycle has a running order weight of 712 pounds and a gross vehicle weight rating of 1,160 pounds.
Milwaukee-Eight® 117 High-Output Engine Configuration
The 2026 Harley-Davidson® Low Rider® ST uses the Milwaukee-Eight® 117 High Output engine with a displacement of 117 cubic inches, or 1,923 cc. The engine configuration includes a 4.075-inch bore and a 4.5-inch stroke. Compression ratio is rated at 10.3:1. The engine uses pushrod-operated overhead valves with hydraulic self-adjusting lifters and four valves per cylinder.
Fuel delivery is controlled through Electronic Sequential Port Fuel Injection. This system regulates fuel distribution through electronically controlled injection timing for improved consistency during acceleration and steady-state cruising conditions. The intake system uses a Heavy Breather intake equipped with a washable synthetic-media exposed filter element. Exhaust routing is handled through a 2-into-1 exhaust system with the catalyst positioned in the header assembly.
Lubrication uses a pressurized dry-sump system combined with an oil cooler. This configuration separates oil storage from the crankcase and supports temperature management during sustained operation. The engine does not use a liquid-cooling system. Oil capacity with filter measures 5 quarts.
Performance figures list output at 114 horsepower at 5,000 rpm. Torque output measures 128 ft-lb at 4,000 rpm under J1349 testing methodology. The engine characteristics emphasize midrange torque production and steady acceleration throughout the operating range. The combination of displacement, compression ratio, intake configuration, and exhaust routing contributes to the motorcycle’s high-output performance profile.
Transmission and Drivetrain Engineering
The drivetrain of the 2026 Harley-Davidson® Low Rider® ST uses a 6-Speed Cruise Drive® transmission combined with a chain-driven primary drive and belt-driven final drive system. Primary drive ratio is listed at 34/46, while the final drive ratio is listed at 32/66. The clutch assembly uses a mechanical 10-plate wet clutch with assist and conventional operation.
The transmission ratios are configured to provide controlled acceleration in lower gears and reduced engine speed during highway operation in higher gears. Overall gear ratios are 9.311 in first gear, 6.454 in second gear, 4.793 in third gear, 3.882 in fourth gear, 3.307 in fifth gear, and 2.79 in sixth gear.
The belt final drive system is intended to reduce drivetrain maintenance requirements compared to traditional chain-driven final drive systems. The transmission layout is designed to maintain stable power delivery during urban operation, highway cruising, and sustained touring use.
Frame Structure and Chassis Design
The frame uses a mild-steel tubular structure with a rectangular-section backbone. Harley-Davidson® specifies stamped, cast, and forged junctions integrated through MIG welding processes. Aluminum forged fender supports are also incorporated into the chassis structure.
The swingarm assembly uses mild-steel tubular sections combined with a stamped cross-member and forged axle junctions. The swingarm also incorporates a removable belt spacer configuration. The frame and swingarm structure are engineered to support rigidity under acceleration and directional stability during cornering transitions.
Steering geometry includes a 28-degree rake and a 28-degree fork angle. Trail measurement is listed at 5.7 inches. These dimensions contribute to straight-line stability while maintaining steering response suitable for sport-touring applications. Lean angle measurements are rated at 31.3 degrees on both left and right sides under J1168 testing standards.
Suspension Calibration and Ride Control
Front suspension uses a 43 mm inverted single-cartridge fork with aluminum triple clamps and a single-rate spring configuration. Inverted fork construction increases rigidity at the steering assembly and supports controlled front-end response during braking and cornering loads. Front suspension travel measures 5 inches.
Rear suspension uses a hidden free-piston coil-over monoshock with hydraulic preload adjustment. Rear shock stroke measures 56 mm, while rear suspension travel measures 4.4 inches. Hydraulic preload adjustment allows the rider to compensate for passenger weight or luggage load variations without requiring major suspension disassembly.
The suspension layout is configured to support highway stability, cornering control, and ride consistency during extended operation. The combination of inverted front suspension and centrally mounted rear monoshock contributes to balanced chassis response under changing road conditions.
Wheel Construction and Tire Specifications
The 2026 Harley-Davidson® Low Rider® ST uses Radiate Cast Aluminum wheels. Front wheel diameter measures 19 inches with a width of 2.5 inches. Rear wheel diameter measures 16 inches with a width of 5 inches. Chrome wheel finishes are specified for the standard wheel configuration, while black cast aluminum wheel options are also referenced within the technical specifications.
Front tire specification is 110/90B19 62H BW. Rear tire specification is 180/70B16 77H BW. Michelin® Scorcher 31 tires are used at both ends. Tire dimensions are configured to support directional stability, cornering traction, and load-carrying capability during highway touring operation.
The rear tire width contributes to rear traction during acceleration, while the larger front wheel diameter supports steering stability and front-end tracking characteristics at highway speeds.
Brake System and Rider-Control Technologies
The braking system uses dual front brakes with 4-piston fixed calipers and a rear brake with a 2-piston floating caliper. Front brake rotor diameter measures 11.8 inches with a rotor thickness of 0.2 inches. Rear rotor diameter measures 11.5 inches with a thickness of 0.23 inches. Front and rear rotors use a black Split 7-spoke floating rotor design.
Anti-lock Braking System functionality is included as standard equipment. The motorcycle also includes Cornering Enhanced ABS functionality. This system is calibrated to assist braking control while the motorcycle is leaned during cornering maneuvers.
The 2026 Harley-Davidson® Low Rider® ST also includes Traction Control System functionality and Drag-torque Slip Control System functionality. Cornering Enhanced Traction Control System and Cornering Drag-Torque Slip Control System technologies are also included. These systems monitor wheel-speed data and adjust vehicle response under changing traction conditions.
Tire Pressure Monitoring System functionality is integrated into the motorcycle’s electronic systems. TPMS allows riders to monitor tire pressure conditions through the instrument display. Electronic Linked Braking and Vehicle Hold Control are not included within the specification list for this model.
Electrical Components and Instrumentation
The 2026 Harley-Davidson® Low Rider® ST uses a sealed maintenance-free AGM battery rated at 12 volts and 17.5 Ah with 310 cold-cranking amps at 0°F. Charging is handled through a three-phase 48-amp electrical system rated at 364 watts at 13 volts and 900 rpm, with maximum output listed at 624 watts at 13 volts and 2,000 rpm.
Engine starting uses a 1.6 kW electric starter system with solenoid-shift starter motor engagement. Electrical output supports operation of lighting systems, instrumentation, rider-assist electronics, and accessory charging functions.
Lighting systems use LED technology throughout the motorcycle. The headlamp assembly includes LED low beam, high beam, and signature position lamp functionality. Rear lighting uses an LED Buffett tail lamp, while front and rear turn signals use LED Bullet Turn Signal assemblies.
Instrumentation is centered around a 4-inch analog speedometer combined with a digital information display. Digital functions include gear position indication, odometer, fuel level, ride modes, heated gear indication, traction control status, ABS status, tire pressure monitoring data, cruise control information, clock, trip functions, fuel range information, and tachometer indication.
The 2026 Harley-Davidson® Low Rider® ST also includes a USB Type-C power outlet rated at 5V and 2.4 amps. GPS navigation, reverse functionality, Bluetooth® connectivity, and infotainment audio systems are not included within the technical specification list for this model.
Fuel Capacity and Touring Utility
Fuel capacity measures 5 gallons with a reserve fuel warning light calibrated for approximately 1 gallon remaining. Estimated fuel economy is listed at 47 mpg under estimated city and highway testing conditions. The fuel range characteristics support extended highway operation between refueling intervals.
Transmission fluid capacity measures 1 quart, while primary chain case capacity measures 1.25 quarts. The motorcycle does not use a coolant system due to its air and oil-cooled engine configuration.
Integrated luggage capacity measures 2 cubic feet. This storage configuration supports touring-oriented use without requiring additional external luggage systems. The integrated storage layout is intended to maintain balanced weight distribution while preserving the motorcycle’s overall chassis profile.
Schedule a Test Ride at Tampa Bay Harley-Davidson®
Riders interested in evaluating the 2026 Harley-Davidson® Low Rider® ST can schedule a test ride with Tampa Bay Harley-Davidson® near Brandon, FL. A test ride provides an opportunity to assess the Milwaukee-Eight® 117 High Output engine, inverted front suspension, and rider-assist technologies during active operation. Riders can also evaluate the 6-Speed Cruise Drive® transmission, braking systems, and integrated instrumentation functions under standard riding conditions. The motorcycle’s chassis geometry, touring storage capacity, and electronic rider-control systems can be reviewed in greater detail during the visit. Scheduling a test ride also allows riders to compare the technical configuration of the 2026 Harley-Davidson® Low Rider® ST with other Harley-Davidson® touring and performance-oriented models.
