The 2026 Harley-Davidson® CVO™ Street Glide® ST is engineered as a performance-focused touring motorcycle with measurable specifications that support power delivery, chassis stability, and rider control. Its configuration integrates a large-displacement engine, a structurally rigid frame, and a fully adjustable suspension system. The model is designed with precise geometry and braking components to maintain control under varying riding conditions. Its electronic systems provide direct access to navigation, vehicle data, and communication features through an integrated display. Every specification aligns with a performance-oriented touring application that prioritizes consistency, durability, and system integration.
Engine Configuration and Output Characteristics
The motorcycle is equipped with a Milwaukee-Eight® 121 High Output engine with a displacement of 121 cubic inches or 1,977 cubic centimeters. The bore measures 4.075 inches, and the stroke measures 4.625 inches, forming a long-stroke configuration that supports torque generation across a broad rpm range. The compression ratio is rated at 11.4 to 1, which contributes to combustion efficiency and engine responsiveness.
The engine produces 127 horsepower at 4,900 rpm and generates 145 foot-pounds of torque at 4,000 rpm. These values indicate a strong mid-range output that supports both acceleration and sustained cruising. The fuel system uses Electronic Sequential Port Fuel Injection, which regulates fuel delivery based on engine demand and operating conditions. The air intake system incorporates a fiberglass washable air cleaner, which supports airflow while allowing serviceability.
The valve train uses a pushrod-operated overhead valve configuration with hydraulic self-adjusting lifters. Each cylinder includes four valves, which improves airflow efficiency and combustion control. The lubrication system is a pressurized dry-sump design, which maintains oil distribution under varying operating conditions. Exhaust flow is managed through a 2-1-2 dual exhaust system with tapered mufflers, supporting balanced exhaust output and consistent engine performance.
Drivetrain Architecture and Gear Ratios
Power transfer is managed through a chain-driven primary system with a 34 to 46 ratio, combined with a belt-driven final drive using a 30 to 68 ratio. This configuration balances durability and reduced maintenance requirements. The clutch system is a mechanically actuated 10-plate wet clutch with Assist and Slip functionality. This design reduces lever effort and assists with maintaining traction during deceleration.
The transmission is a 6-Speed Cruise Drive® system that provides a wide range of gear ratios. First gear has an overall ratio of 10.233, supporting controlled acceleration from a standstill. Second gear is rated at 7.093, followed by 5.268 in third gear and 4.266 in fourth gear. Fifth gear is set at 3.635, while sixth gear is rated at 3.067. These ratios support progressive acceleration and reduced engine speed at higher velocities, which improves efficiency and reduces mechanical stress during long-distance operation.
Frame Construction and Structural Design
The frame uses a mild steel tubular construction with a two-piece stamped and welded backbone. It incorporates cast and forged junctions to enhance structural integrity. Twin down-tubes provide additional support, while the bolt-on rear frame allows for modular construction. The entire assembly is MIG welded, ensuring consistent joint strength and durability.
The swingarm is also constructed from mild steel and features a two-piece drawn and welded section with forged junctions. This design contributes to rigidity and stability under load. The structural configuration supports the weight distribution of the motorcycle and contributes to predictable handling characteristics.
The motorcycle has a wheelbase of 64 inches, which supports straight-line stability. The rake angle is set at 26 degrees, while the fork angle is 29.25 degrees. Trail measurement is 6.7 inches, which contributes to controlled steering input and directional stability.
Suspension Systems and Adjustability
The front suspension consists of 47 millimeter inverted forks with adjustable preload, compression damping, and rebound damping. This allows for tuning based on rider preference and road conditions. The inverted fork design improves rigidity and reduces flex during braking and cornering.
The rear suspension uses emulsion shocks with adjustable preload, compression damping, and rebound damping. This configuration allows the rider to adapt the suspension to varying loads and terrain conditions. The front suspension provides 4.6 inches of travel, while the rear suspension provides 3 inches of travel. These values support a balance between ride comfort and handling control.
Dimensions, Weight, and Capacity Specifications
The motorcycle measures 94.9 inches in length, with an overall width of 38.6 inches and a height of 52.4 inches. These dimensions support rider ergonomics and aerodynamic balance. The seat height is 27.5 inches when laden, while the unladen seat height is 29.1 inches. This range provides accessibility for a wide range of riders.
Ground clearance is measured at 5.3 inches, which supports navigation over uneven surfaces while maintaining a low center of gravity. The motorcycle has a running weight of 816 pounds and a shipping weight of 782 pounds. The gross vehicle weight rating is 1,360 pounds, with a front axle rating of 500 pounds and a rear axle rating of 927 pounds.
Fuel capacity is rated at 6 gallons, with a reserve capacity of 1 gallon. Oil capacity with the filter is 5 quarts, while the transmission holds 1 quart. The primary chain case capacity is 1.1 quarts, and the coolant system holds 0.82 quarts. Luggage capacity is measured at 2.42 cubic feet, providing storage for extended riding requirements.
Braking Systems and Control Mechanisms
The braking system uses dual 4-piston fixed radial-mounted calipers on the front wheel. These are paired with 12.6-inch wave-style dual floating rotors. The rear braking system uses a single axial-mounted caliper with an 11.8-inch rotor. This configuration provides consistent braking force distribution and thermal management.
The motorcycle includes an Anti-lock Braking System that regulates brake pressure to prevent wheel lock. Electronic Linked Braking distributes braking force between the front and rear wheels. The Traction Control System monitors wheel speed and adjusts power delivery to maintain traction.
Additional systems include Drag-Torque Slip Control, which reduces rear-wheel slip during deceleration, and Vehicle Hold Control, which maintains brake pressure on inclines. The Tire Pressure Monitoring System provides continuous monitoring of tire pressure levels.
Cornering-specific systems include Cornering Anti-lock Braking, Cornering Electronic Linked Braking, and Cornering Traction Control. These systems adjust braking and traction parameters based on lean angle, supporting stability during directional changes.
Wheels, Tires, and Handling Characteristics
The motorcycle is equipped with cast aluminum wheels featuring a 7-spoke design. The front wheel measures 19 inches in diameter and 3.5 inches in width. The rear wheel measures 18 inches in diameter and 5 inches in width. This combination supports stable handling and load distribution.
The tires are Dunlop® Harley-Davidson® Series units, with a front specification of 130 over 60 B19 and a rear specification of 180 over 55 B18. These tires are designed to provide traction and durability across various riding conditions.
The lean angle is rated at 31 degrees on both the right and left sides. This specification supports controlled cornering while maintaining ground clearance. The combination of wheel size, tire profile, and suspension geometry contributes to predictable handling.
Electrical Systems and Lighting Configuration
The electrical system includes a sealed 12-volt battery with a capacity of 28 amp-hours and a rating of 405 cold cranking amps. This supports reliable engine starting and system operation. The charging system is a three-phase unit rated at 58 amps, with a maximum output of 754 watts at 13 volts.
The starting system uses a 1.6 kilowatt electric starter with solenoid engagement. Lighting components include LED headlamps, LED tail and stop lamps, and LED turn signals. These components improve visibility and reduce power consumption.
A USB-C power outlet rated at 15 watts is located within the media storage compartment, allowing for device charging. The electrical system supports the operation of onboard electronics and rider interface systems.
Integrated Infotainment and Connectivity Systems
The infotainment system uses the Skyline™ OS platform and is displayed through a 12.3-inch full-color TFT screen. The display integrates digital gauges, navigation, and media controls into a single interface. This configuration provides access to vehicle data and system settings.
The audio system includes two 6.5-inch fairing-mounted speakers, each powered at 125 watts per channel. This supports consistent audio output at various speeds. The system includes AM and FM radio functionality, along with support for USB-connected media devices.
Bluetooth® connectivity allows for hands-free mobile phone use and media playback. Apple CarPlay® compatibility is available through both wireless and wired connections. The system supports headset communication, with voice-activated operation available for compatible equipment.
Navigation is integrated into the system, with support for traffic and weather data through a Wi-Fi connection. The display also provides vehicle information such as air temperature and oil pressure. Text-to-speech functionality is included for supported languages.
Schedule a Test Ride at Tampa Bay Harley-Davidson®
We invite riders to review the technical capabilities of the 2026 Harley-Davidson® CVO™ Street Glide® ST in person at Tampa Bay Harley-Davidson® within Tampa, FL. The model presents a combination of high-output engine performance, adjustable suspension systems, and integrated rider assistance technologies that can be evaluated directly. A scheduled test ride allows for assessment of braking response, throttle control, and handling characteristics under typical riding conditions. The infotainment system and navigation interface can also be examined during operation to understand functionality and accessibility. Contact our team to arrange a test ride and observe how the motorcycle’s specifications translate into controlled and measurable performance.
