The 2026 Harley-Davidson® Low Rider® ST is engineered as a performance-focused sport-touring cruiser designed around measurable mechanical specifications and rider control systems. This model combines a large-displacement V-Twin platform, performance-driven chassis geometry, and integrated electronic safety technologies into a single configuration intended for stable highway travel and responsive handling. The motorcycle measures 92.9 inches in length, 35 inches in overall width, and 50.8 inches in overall height, establishing a balanced footprint for long-distance riding and controlled maneuverability. The laden seat height measures 27 inches, while the unladen seat height is listed at 28.1 inches, creating a low riding position intended to support control during stops and low-speed movement. Static ground clearance measures 5.7 inches, contributing to lean angle capability and cornering clearance. The wheelbase of 63.6 inches works with the frame design to maintain directional stability while supporting predictable steering input.
The overall layout reflects a deliberate emphasis on mechanical efficiency and rider visibility. The bike’s design dimensions, weight distribution, and structural composition contribute directly to its handling characteristics rather than acting as decorative elements. With a running weight of 712 pounds and a gross vehicle weight rating of 1,160 pounds, the 2026 Harley-Davidson® Low Rider® ST maintains a balance between structural solidity and practical rideability. Fuel capacity is rated at 5 gallons, supporting extended riding intervals while maintaining manageable mass distribution across the chassis.
High Output Engine Performance and Mechanical Configuration
The 2026 Harley-Davidson® Low Rider® ST uses the Milwaukee-Eight® 117 High Output engine, featuring a displacement of 117 cubic inches or 1,923 cubic centimeters. This engine employs a pushrod-operated overhead valve system with hydraulic, self-adjusting lifters and four valves per cylinder. The bore measures 4.075 inches, and the stroke measures 4.5 inches, creating a long-stroke configuration designed to produce strong torque delivery. The compression ratio is rated at 10.3:1, supporting efficient combustion and consistent performance across the operating range.
Engine output specifications include 128 ft-lb of torque at 4,000 rpm and a certified power figure of 114 horsepower at 5,000 rpm. These figures indicate strong low- and mid-range performance characteristics, which influence acceleration capability and highway passing response. Fuel delivery is managed through Electronic Sequential Port Fuel Injection, providing controlled metering for throttle response and combustion efficiency. Intake performance is supported by a heavy breather intake system with synthetic media and a washable exposed element, allowing airflow efficiency while maintaining serviceability.
Exhaust routing uses a 2-into-1 configuration with a catalyst integrated into the header assembly. This arrangement supports efficient exhaust scavenging while meeting emissions requirements. Lubrication utilizes a pressurized dry-sump system with an oil cooler, enabling temperature regulation during extended riding periods. The engine architecture prioritizes consistency and mechanical reliability by combining traditional Harley-Davidson® V-Twin design with modern fuel delivery and cooling support systems.
Transmission Dynamics and Power Delivery
Power transfer on the 2026 Harley-Davidson® Low Rider® ST is managed through a chain primary drive paired with a belt final drive system using a 32/66 ratio. This setup supports durability while reducing maintenance compared with conventional chain-driven final systems. The clutch system uses a mechanical 10-plate wet clutch that combines assist and conventional function, allowing smooth engagement and manageable lever effort during repeated shifting.
The motorcycle features a 6-Speed Cruise Drive® transmission. Gear ratios progressively step through 9.311 in first gear, 6.454 in second, 4.793 in third, 3.882 in fourth, 3.307 in fifth, and 2.79 in sixth. This ratio spread enables controlled acceleration in lower gears while maintaining lower engine speed during highway cruising. The transmission structure contributes to rider confidence during varying riding conditions, including city movement, gradual acceleration, and sustained cruising speeds. The integration of the clutch, transmission, and final drive ensures consistent power delivery without abrupt transitions.
Chassis Structure and Suspension Performance
The frame design uses mild steel tubular construction with a rectangular backbone and a mix of stamped, cast, and forged junctions joined by MIG welding. Aluminum forged fender supports assist in managing structural weight. The swingarm also utilizes mild steel tubular sections with forged axle junctions and a stamped cross-member, providing rigidity while supporting alignment accuracy.
Front suspension consists of a single-cartridge 43 mm inverted fork with aluminum triple clamps and a single-rate spring. This configuration improves rigidity compared with conventional fork designs and supports stable steering response under braking and cornering loads. Rear suspension employs a hidden coil-over monoshock with a free piston design and hydraulic preload adjustment. Suspension travel measures 5 inches at the front and 4.4 inches at the rear, maintaining a balance between ride control and comfort.
Steering geometry features a 28-degree rake and matching fork angle, paired with a trail measurement of 5.7 inches. This combination contributes to stable high-speed tracking while maintaining reasonable steering input at lower speeds. The chassis design aligns with the motorcycle’s intended touring purpose by maintaining structural predictability during acceleration, braking, and cornering.
Wheel, Tire, and Braking Specifications
The 2026 Harley-Davidson® Low Rider® ST uses cast aluminum wheels with a radiate design. The front wheel measures 19 inches in diameter with a width of 2.5 inches, while the rear wheel measures 16 inches in diameter with a 5-inch width. Tire selection includes Michelin® Scorcher 31 models on both ends, with a 110/90B19 front specification and a 180/70B16 rear specification. This combination supports traction stability and predictable handling characteristics during straight-line travel and directional changes.
Braking performance is managed through a dual front brake setup using 11.8-inch floating rotors paired with 4-piston fixed calipers. The rear brake uses an 11.5-inch rotor with a 2-piston floating caliper. Rotor thickness measures 0.2 inches at the front and 0.23 inches at the rear. Anti-lock Braking System functionality is included as standard equipment, helping maintain tire grip under heavy braking conditions. The braking system is configured to provide controlled deceleration without sudden intervention, supporting rider input during varied surface conditions.
Lean angle capability is rated at 31.3 degrees on both the right and left sides. This specification reflects a geometry and clearance balance intended to support cornering confidence while maintaining cruiser ergonomics.
Electrical Systems and Rider Information Technology
The electrical system uses a sealed maintenance-free AGM battery rated at 12 volts, 17.5Ah, with 310 cold cranking amps at zero degrees Fahrenheit. Charging is managed through a three-phase 48-amp system capable of producing 364 watts at 13 volts and 900 rpm, with a maximum output of 624 watts at higher engine speeds. The starting system utilizes a 1.6 kW electric starter with solenoid shift engagement.
Lighting components use full LED technology, including the headlamp, signature position lamp, tail lamp, and front and rear turn signals. This configuration improves visibility while reducing power draw compared with conventional lighting systems. The instrument cluster consists of a 4-inch analog speedometer integrated with a digital display. Information presented includes gear position, odometer, fuel level, ride modes, traction control status, ABS indication, tire pressure monitoring, cruise control, trip data, range, and tachometer readout. This layout prioritizes concise data presentation without extensive infotainment features.
The motorcycle includes a USB-C electrical outlet providing 5V at 2.4 amps, enabling device charging during operation. Integrated infotainment, navigation, Bluetooth® connectivity, and speaker systems are not included, reflecting a function-focused approach centered on ride data rather than multimedia capability.
Rider Safety Enhancements and Control Systems
The 2026 Harley-Davidson® Low Rider® ST incorporates multiple rider assistance technologies designed to improve stability and control. Standard safety features include Anti-lock Braking System, Traction Control System, Drag-torque Slip Control System, and Tire Pressure Monitoring System. These systems work collectively to manage traction and braking behavior during varying riding conditions.
Cornering-enhanced safety functions include Cornering Enhanced ABS, Cornering Enhanced Traction Control, and Cornering Drag-torque Slip Control. These systems adjust intervention thresholds while the motorcycle is leaned into a turn, supporting consistent stability during throttle and braking inputs. Electronic linked braking, vehicle hold control, and lift mitigation features are not included, maintaining a simpler electronic framework focused on essential control functions.
Safety integration remains consistent with the model’s overall design intent, using technology to assist rider stability without replacing rider control. The system design provides functional support while maintaining predictable motorcycle behavior.
Fuel Efficiency, Capacity, and Operational Practicality
Fuel economy is rated at 47 miles per gallon under estimated city and highway conditions. Combined with a 5-gallon fuel capacity and a 1-gallon reserve indication through the fuel injection warning system, this specification supports extended riding distances between refueling stops. Oil capacity measures 5 quarts with filter replacement, while transmission capacity is rated at 1 quart and primary chain case capacity at 1.25 quarts. These capacities reflect serviceability and functional operating requirements for the drivetrain and engine system.
The motorcycle also provides 2 cubic feet of luggage volume, supporting practical cargo use for touring or extended trips. Weight distribution and storage volume combine to maintain riding stability while offering functional transport capability.
Schedule a Test Ride Today
Riders interested in exploring the mechanical design and technical capability of the 2026 Harley-Davidson® Low Rider® ST can schedule a test ride at Harley-Davidson® of Wesley Chapel close to Lutz, FL. A test ride allows direct evaluation of the 117 High Output engine response, the effectiveness of the chassis geometry, and the operation of the integrated rider safety systems during normal riding conditions. It also provides an opportunity to experience the suspension performance, braking balance, and cockpit information layout firsthand. Our team can explain the technical specifications and demonstrate how each feature functions during operation. Contact us to arrange a ride and examine how the engineering and performance specifications come together in practical use.
