The 2026 Harley-Davidson® CVO™ Road Glide® ST is designed as a performance-focused touring motorcycle with an emphasis on measurable engineering specifications, rider control systems, and integrated technology. The model combines a large-displacement powertrain, performance-oriented chassis geometry, advanced braking systems, and a comprehensive digital interface to support long-distance riding and high-output performance. Its configuration reflects a balance between touring practicality and aggressive handling capability, supported by advanced suspension adjustments and cornering-aware electronic systems. The motorcycle’s structural layout, power delivery characteristics, and electronic architecture are engineered to provide predictable operation under varied riding conditions. This article presents a detailed technical examination of the model, focusing strictly on factual specifications and functional features.
Engine Architecture and Performance Output
The 2026 Harley-Davidson® CVO™ Road Glide® ST uses the Milwaukee-Eight® 121 High Output engine, featuring a displacement of 121 cubic inches, equivalent to 1,977 cc. The engine configuration incorporates pushrod-operated overhead valves with hydraulic self-adjusting lifters and four valves per cylinder. This arrangement supports consistent valve operation while minimizing manual adjustment requirements. The bore measures 4.075 inches, and the stroke measures 4.6 inches, producing a long-stroke design intended to maximize torque delivery across the usable RPM range.
The compression ratio of 11.4:1 contributes to increased combustion efficiency and improved power production. Fuel delivery is controlled through Electronic Sequential Port Fuel Injection, which meters fuel precisely for stable throttle response and consistent engine operation. The air intake system uses a washable fiberglass air cleaner designed for reusable filtration performance. Exhaust gases flow through a 2-1-2 dual exhaust system with tapered mufflers, allowing balanced flow characteristics while supporting engine tuning goals.
Performance figures indicate an output of 127 horsepower at 4,900 rpm and torque rated at 145 ft-lb at 4,000 rpm. These values demonstrate emphasis on strong mid-range pulling power combined with high-load touring capability. The lubrication system uses a pressurized dry-sump design that maintains oil supply stability during extended rides and varied lean angles. This engine configuration reflects a focus on sustained power delivery and mechanical durability for long-distance operation.
Transmission and Drivetrain Control
Power transfer from the engine is managed through a mechanically actuated 10-plate wet clutch featuring Assist and Slip functionality. This system reduces clutch lever effort while aiding rear-wheel stability during aggressive downshifting. The drivetrain begins with a chain-driven primary setup using a 34/46 ratio, followed by a belt-driven final drive with a 30/68 ratio. The belt final drive supports smooth operation and reduced routine maintenance compared with traditional chain final systems.
The transmission consists of a 6-Speed Cruise Drive® unit designed for both urban maneuverability and highway cruising. Gear ratios progress from 10.233 in first gear to 3.067 in sixth gear, providing a wide spread that supports controlled acceleration at lower speeds while maintaining lower engine rpm during extended highway travel. The combination of clutch design, gear spacing, and final drive ratio contributes to predictable power delivery and optimized touring efficiency.
Chassis Structure and Dimensional Engineering
The motorcycle uses a mild steel tubular frame incorporating a two-piece stamped and welded backbone with cast and forged junctions. Twin down tubes and a bolt-on rear frame with forged fender supports enhance rigidity while allowing modular assembly. The swingarm is constructed from mild steel with welded sections and forged junctions, providing structural strength to manage the engine’s high torque output.
Chassis geometry includes a rake angle of 26 degrees, a fork angle of 29.25 degrees, and a trail measurement of 6.7 inches. These measurements influence steering stability and directional control during high-speed touring. Wheelbase measures 64 inches, supporting straight-line stability and predictable corner entry characteristics. Static ground clearance is 5.1 inches, allowing sufficient lean capability while maintaining touring practicality.
Overall length measures 94.9 inches, with a width of 36.4 inches and a height of 50.4 inches. Seat height, measured laden, is 27.5 inches, while unladen seat height measures 28.3 inches. These dimensions support rider accessibility without compromising ground clearance or suspension travel. The motorcycle’s running weight is listed at 838 pounds, reflecting the combination of structural robustness and touring equipment integration.
Suspension Configuration and Ride Control
Front suspension consists of a 47 mm inverted fork with adjustable preload, compression damping, and rebound damping. This level of adjustment allows riders to modify suspension characteristics to match payload or riding style. The inverted fork design improves rigidity and front-end feedback during cornering or braking loads. Rear suspension uses an emulsion shock system with matching adjustability for preload, compression, and rebound damping.
Front suspension travel measures 4.6 inches, while rear travel measures 3 inches. The suspension configuration is engineered to maintain chassis stability under acceleration, braking, and cornering conditions. Adjustable damping allows more precise tuning for touring loads or solo riding, contributing to consistent tire contact and improved ride quality over uneven surfaces.
Wheel, Tire, and Brake Engineering
The 2026 Harley-Davidson® CVO™ Road Glide® ST uses black 7-spoke cast aluminum wheels, with a 19-inch front diameter and an 18-inch rear diameter. Front wheel width measures 3.5 inches, and rear wheel width measures 5 inches. Tires include a Dunlop® Harley-Davidson® Series specification, with a 130/60B19 front tire and a 180/55B18 rear tire. This combination supports balanced handling characteristics while maintaining stability at touring speeds.
Braking hardware includes dual radial-mounted 4-piston fixed front calipers paired with dual floating wave-style rotors measuring 12.6 inches in diameter. The rear uses a single axial-mounted caliper with an 11.8-inch fixed rotor. Rotor thickness measures 0.18 inches at the front and 0.28 inches at the rear. The design focuses on consistent thermal performance and controlled stopping power during repeated braking cycles.
The Anti-Lock Braking System is standard and integrates with additional electronic braking features. Electronic Linked Braking coordinates front and rear braking input to stabilize deceleration performance. These systems are designed to maintain control during varying traction conditions or abrupt braking inputs.
Rider Safety and Cornering Enhancement Systems
The motorcycle incorporates an extensive range of rider assistance technologies that operate through sensor-based monitoring. Standard systems include Traction Control System, Drag-Torque Slip Control System, Vehicle Hold Control, and Tire Pressure Monitoring System. These systems adjust engine or braking response to assist with stability and traction management.
Cornering-specific safety enhancements expand this functionality. The Cornering Enhanced Anti-Lock Braking System adjusts brake modulation while the motorcycle is leaned into turns. Cornering Enhanced Electronic Linked Braking coordinates brake force distribution under lean conditions. Cornering Enhanced Traction Control and Cornering Drag-Torque Slip Control respond to dynamic load changes and lean angles to support predictable handling. These integrated systems contribute to controlled performance during directional transitions and reduced traction scenarios.
Lean angle capability is measured at 31 degrees on both the right and left sides, indicating the motorcycle’s ability to maintain composure during aggressive cornering. The combination of chassis geometry, suspension tuning, and electronic assistance create a controlled platform for performance-oriented touring.
Electrical System and Lighting Integration
The electrical system includes a sealed maintenance-free 12V battery rated at 28 amp-hours and 405 cold-cranking amps. Charging is managed through a three-phase 58-amp system capable of producing 754 watts maximum at 13 volts. This output supports multiple onboard electronics without compromising charging stability.
Starting is handled by a 1.6 kW electric starter motor with solenoid shift engagement. Lighting systems are fully LED-based, including the headlamp, tail and stop lights, and front and rear turn signals. LED technology improves visibility while reducing electrical load compared with traditional lighting systems. Digital gauges are integrated into the main display, consolidating operational information into a single visual interface for efficiency.
A 15-watt USB-C power outlet located in the inner fairing storage allows accessory charging during operation. Electrical architecture is designed to support infotainment, navigation, and communication systems without excessive battery drain.
Infotainment and Digital Interface Technology
The motorcycle features the Skyline™ OS infotainment system displayed through a 12.3-inch full-color TFT screen. The interface combines navigation, media control, and vehicle information display into a unified digital platform. Audio output is powered at 125 watts per channel through two 6.5-inch fairing-mounted speakers designed to maintain clarity during highway speeds.
Connectivity includes Bluetooth® integration for phone and media devices, as well as support for Apple CarPlay® through wireless or wired connections. USB-C and MTP support allows smartphone compatibility through appropriate adapters. The system includes embedded navigation capability and supports traffic and weather information through connected services. Hands-free mobile phone functionality and headset compatibility allow communication without removing focus from riding operation.
Vehicle information displays include monitoring systems such as air temperature and oil pressure, allowing quick access to critical operational data. The interface design emphasizes readability and direct access to controls while maintaining minimal distraction.
Fuel Capacity, Economy, and Operational Range
Fuel capacity is rated at 6 gallons, supporting long-distance riding intervals. Reserve fuel warning activates with approximately 1 gallon remaining. Fuel economy is estimated at 44 mpg based on city and highway testing methodology. This balance of fuel efficiency and capacity supports extended touring without frequent refueling stops.
Additional fluid capacities include 5 quarts of engine oil with filter, 1 quart for transmission fluid, 1.1 quarts for the primary chain case, and a coolant capacity of 0.82 quarts. These specifications reflect system requirements intended to maintain consistent performance and mechanical reliability.
Schedule a Test Ride near Brooksville, FL
Riders interested in evaluating the technical performance of the 2026 Harley-Davidson® CVO™ Road Glide® ST can schedule a test ride through Harley-Davidson® of New Port Richey near Brooksville, FL. A test ride provides the opportunity to assess engine torque delivery, suspension adjustability, and braking response under controlled conditions. Riders can also experience the integrated infotainment system, electronic safety enhancements, and chassis stability during acceleration and cornering. Experiencing the motorcycle directly allows a clear assessment of its handling characteristics and technology integration. Scheduling a visit offers the most accurate way to understand how the performance specifications translate into on-road operation.
