The 2026 Harley-Davidson® CVO™ Street Glide® ST is a performance-oriented touring motorcycle designed with a focus on measurable output, structural rigidity, and integrated rider systems. This model uses a Milwaukee-Eight® 121 High Output engine combined with a precisely configured drivetrain and a reinforced chassis structure. Its design supports long-distance capability while maintaining consistent handling characteristics. The motorcycle integrates modern infotainment, rider safety systems, and electrical components into a unified platform.
High-Output Engine Configuration and Mechanical Design
The Milwaukee-Eight® 121 High Output engine defines the performance characteristics of this model. The engine has a displacement of 121 cubic inches, equivalent to 1,977 cubic centimeters. The bore measures 4.075 inches, and the stroke measures 4.625 inches. This configuration contributes to a compression ratio of 11.4 to 1, supporting efficient combustion and consistent power delivery.
The engine uses a pushrod-operated overhead valve system with four valves per cylinder. Hydraulic, self-adjusting lifters reduce the need for frequent valve maintenance. The fuel system is based on Electronic Sequential Port Fuel Injection, which ensures accurate fuel metering under varying operating conditions. The lubrication system is pressurized and dry-sump, maintaining consistent oil distribution across internal components.
The exhaust system uses a 2-1-2 dual exhaust configuration with tapered mufflers. This setup supports balanced exhaust flow while maintaining system efficiency. The air intake system uses a fiberglass, washable air cleaner designed for durability and sustained airflow performance.
The engine produces 127 horsepower at 4,900 revolutions per minute. Torque output reaches 145 foot-pounds at 4,000 revolutions per minute. These figures indicate a strong mid-range output profile that supports acceleration and sustained cruising performance.
Drivetrain Structure and Gear Ratio Engineering
The drivetrain is engineered to transfer engine output efficiently to the rear wheel. The system includes a chain-driven primary drive with a 34 to 46 ratio and a belt-driven final drive with a 30 to 68 ratio. This combination balances durability with reduced maintenance requirements.
The transmission is a 6-speed Cruise Drive® system. Gear ratios are configured to provide controlled acceleration and reduced engine speed during highway travel. The first gear ratio is 10.233, while the sixth gear ratio is 3.067. Intermediate gear ratios are spaced to ensure consistent power delivery across the speed range.
The clutch system is a mechanically actuated 10-plate wet clutch with assist and slip functionality. This design reduces lever effort and improves control during downshifting. The clutch system also helps maintain rear-wheel stability under deceleration.
Frame Construction and Chassis Geometry
The frame is constructed from mild steel using a tubular structure with a two-piece stamped and welded backbone. Cast and forged junctions are integrated into the design to improve structural strength. The frame includes twin down tubes and a bolt-on rear section with forged fender supports. The entire assembly is MIG welded to ensure consistency and durability.
The swingarm is also constructed from mild steel and uses a two-piece drawn and welded section with forged junctions. This design contributes to overall rigidity and supports consistent rear suspension performance.
The motorcycle has a wheelbase of 64 inches. The rake angle is set at 26 degrees, and the trail measures 6.7 inches. These geometry values contribute to directional stability and predictable steering response. The fork angle is measured at 29.25 degrees, further supporting controlled handling characteristics.
Suspension Components and Ride Control Adjustability
The suspension system is designed to provide adjustability and consistent damping performance. The front suspension uses 47-millimeter inverted forks with adjustable preload, compression damping, and rebound damping. This allows riders to fine-tune the suspension based on load and riding conditions.
The rear suspension uses an emulsion shock system with adjustable preload, compression damping, and rebound damping. This configuration supports stability and ride comfort across different road surfaces.
Suspension travel is measured at 4.6 inches in the front and 3 inches in the rear. These values provide a balance between comfort and control, particularly for touring applications. The suspension system is engineered to maintain tire contact with the road surface during acceleration, braking, and cornering.
Brake System Design and Rider Safety Integration
The braking system uses dual 4-piston fixed calipers mounted radially on the front wheel. The rear brake uses a single axial-mounted caliper. The front braking system includes dual floating rotors with a wave-style design, while the rear uses a fixed rotor.
The front brake rotor diameter measures 12.6 inches with a thickness of 0.18 inches. The rear rotor measures 11.8 inches with a thickness of 0.28 inches. This configuration provides consistent braking force and heat dissipation.
The motorcycle includes an anti-lock Braking System as standard equipment. Additional safety systems include Electronic Linked Braking, which distributes braking force between the front and rear wheels. The Traction Control System manages rear-wheel traction under acceleration.
Drag-Torque Slip Control System reduces rear wheel instability during aggressive downshifting. Vehicle Hold Control assists in maintaining position on inclines. The Tire Pressure Monitoring System provides continuous feedback on tire pressure levels.
Cornering-specific systems include Cornering Enhanced Anti-lock Braking System, Cornering Enhanced Electronic Linked Braking, Cornering Enhanced Traction Control System, and Cornering Drag-Torque Slip Control System. These systems adjust braking and torque delivery based on lean angle and dynamic conditions.
Wheel Design, Tire Specifications, and Handling Metrics
The motorcycle uses black 7-spoke cast aluminum wheels. The front wheel has a diameter of 19 inches and a width of 3.5 inches. The rear wheel has a diameter of 18 inches and a width of 5 inches.
The front tire specification is 130 over 60B19, while the rear tire is 180 over 55B18. These tires are part of the Dunlop® Harley-Davidson® Series and are designed to match the motorcycle’s weight distribution and handling requirements.
Lean angles are measured at 31 degrees on both the left and right sides. This allows for controlled cornering within the limits of a touring motorcycle. The tire and wheel combination supports stability during straight-line travel and maintains grip during cornering.
Dimensions, Weight Distribution, and Capacity Metrics
The motorcycle has a total length of 94.9 inches, a width of 38.6 inches, and a height of 52.4 inches. The seat height in a laden condition is 27.5 inches, while the unladen seat height is 29.1 inches. Ground clearance is measured at 5.3 inches.
The weight of the motorcycle is 782 pounds as shipped and 816 pounds in running order. The Gross Vehicle Weight Rating is 1,360 pounds. The front axle weight rating is 500 pounds, and the rear axle weight rating is 927 pounds.
Fuel capacity is 6 gallons, with a reserve capacity of 1 gallon. Oil capacity with filter is 5 quarts. The transmission capacity is 1 quart, and the primary chain case capacity is 1.1 quarts. Coolant capacity is 0.82 quarts.
The motorcycle includes a luggage capacity of 2.42 cubic feet. This supports storage requirements for extended travel without affecting handling characteristics.
Electrical System, Lighting, and Power Distribution
The electrical system uses a sealed, maintenance-free 12-volt battery rated at 28 amp-hours with 405 cold cranking amps. The charging system is a three-phase, 58-amp system capable of producing up to 754 watts at 13 volts.
The starting system uses a 1.6 kilowatt electric starter with solenoid engagement. This ensures consistent engine start performance under varying conditions.
Lighting components are fully LED-based. The headlamp, taillamp, stop lamp, and turn signals all use LED technology for improved visibility and reduced power consumption.
A 15-watt USB-C power outlet is located in the media storage compartment. This allows for charging of external devices during operation.
Infotainment System and Connectivity Features
The infotainment system operates on Skyline™ OS and is displayed through a 12.3-inch full-color TFT screen. The display integrates digital gauges and vehicle information into a single interface.
The audio system delivers 125 watts per channel through two 6.5-inch fairing-mounted speakers. This setup provides consistent audio output at various speeds.
The system supports Apple CarPlay® through both wired and wireless connections. Bluetooth® functionality allows for phone, media player, and headset connectivity. USB-C and MTP compatibility allow connection with a wide range of devices.
Navigation is integrated into the system and includes traffic and weather data when connected to a Wi-Fi hotspot. The vehicle information display includes air temperature, oil pressure, and Engine Idle Temperature Management System data.
Hands-free mobile communication is supported through Bluetooth®. The system also supports voice activation when compatible headsets are used.
Visit Harley-Davidson® of Panama City Beach for a Test Ride
Riders interested in assessing the 2026 Harley-Davidson® CVO™ Street Glide® ST can examine its performance characteristics directly through a scheduled test ride. Harley-Davidson® of Panama City Beach, within Panama City Beach, FL, provides access to this model for evaluation under controlled conditions. A test ride allows direct observation of engine output, suspension adjustability, and braking response across different speeds. The integrated technology systems, including infotainment and rider safety features, can be reviewed during operation. Scheduling a ride provides a practical method to assess how the motorcycle’s specifications translate into measurable performance.
