Harley-Davidson Road Glide ST Specs (Top Speed | Horsepower | Weight)

The Harley-Davidson Road Glide ST motorcycle specifications include a 1917.4 cc (117.00 cu in) engine, a 6-speed gearbox, and a listed weight of 381.9 kg (842 lb).

Key specifications

2023Year released
1,917 ccDisplacement
172.2 Nm @ 3,750 rpmTorque
381.9 kgWet weight
678 mmSeat height
22.7 LFuel tank
1,625 mmWheelbase
140 mmGround clearance

How the Harley-Davidson Road Glide ST compares

This compares the motorcycle with all Harley-Davidson models in this specifications database. The blue marker is this model and the grey line is the Harley-Davidson database average.

Displacement1,917 cc
Low 165 ccAverage 1,275 ccHigh 1,868 cc

About 50% higher than the Harley-Davidson database average. Around the 99th percentile across Harley-Davidson models.

Wet weight381.9 kg
Low 183 kgAverage 312.9 kgHigh 507 kg

About 22% heavier than the Harley-Davidson database average. Around the 87th percentile across Harley-Davidson models.

Seat height678 mm
Low 622 mmAverage 689 mmHigh 780 mm

Very close to the Harley-Davidson database average. Around the 43rd percentile across Harley-Davidson models.

Fuel capacity22.7 L
Low 7.9 LAverage 17 LHigh 22.7 L

About 34% larger than the Harley-Davidson database average. Around the 99th percentile across Harley-Davidson models.

This model Harley-Davidson database average

Harley-Davidson database percentile rankings

Percentiles show where this motorcycle sits across the Harley-Davidson specifications database. They are descriptive database rankings, not performance ratings.

Displacement99th

1,917 cc — larger displacement than about 99% of Harley-Davidson models.

Wet weight87th

381.9 kg — heavier than about 87% of Harley-Davidson models, or lighter than about 13%.

Seat height43rd

678 mm — taller than about 43% of Harley-Davidson models.

Fuel capacity99th

22.7 L — larger than about 99% of Harley-Davidson fuel tanks in this database.

Dimensions compared with Harley-Davidson average

Each measurement is compared with the average value across Harley-Davidson models where that dimension is available.

Overall length2,405 mm
This bike

2,405

Harley-Davidson avg

2,376

Close to average.

Wheelbase1,625 mm
This bike

1,625

Harley-Davidson avg

1,599

Close to average.

Seat height678 mm
This bike

678

Harley-Davidson avg

689

Close to average.

Ground clearance140 mm
This bike

140

Harley-Davidson avg

128

9% above average.

Mechanical overview

Engine layout snapshot

V2, four-stroke • 1,917 cc • Air cooled
Chassis snapshot

Wheelbase 1,625 mmSeat 678 mmClearance 140 mm
6-speed • Belt (final drive) • 130/60-B19 front / 180/55-B18 rear

Additional useful specifications

Front tire size 130/60-B19
Rear tire size 180/55-B18
Engine oil capacity 4.90 L (5.18 US qt)
Sprocket sizes 34/46 (front/rear)
Estimated theoretical fuel range 396 km
Bore/stroke ratio 0.91:1 (Undersquare)

Model information

Year released 2023

Engine specifications

Engine type V2, four-stroke
Displacement 1917.4 cc (117.00 cu in)
Torque 172.2 Nm (17.6 kgf-m or 127.0 ft.lbs) @ 3,750 rpm
Bore × stroke 103.5 x 114.3 mm (4.1 x 4.5 inches)
Compression ratio 10.2:1
Cooling system Air
Fuel system Injection. Electronic Sequential Port Fuel Injection
Starter Electric
Lubrication Dry sump
Oil capacity 4.90 L (5.18 US qt)

Transmission and drivetrain

Gearbox 6-speed
Final drive Belt (final drive)
Clutch Multi-plate with diaphragm spring in oil bath
Sprockets 34/46 (front/rear)

Chassis and suspension

Frame 6.5 inch color TFT. Gauges styled to complement each vehicle. Display features odometer, trip A, trip B, range to empty and gear indicator; and larger tell-tale indicators.
Front suspension Telescopic fork, 49mm Dual Bending Valve.
Rear suspension Twin shocks. Premium standard height hand-adjustable.
Rake 26.0°
Trail 170 mm (6.7 inches)
Fork tube size 49 mm (1.9 inches)

Brakes, wheels and tires

Front brakes Double disc. Optional ABS. 4-piston
Rear brakes Single disc. Optional ABS. 4-piston
Front tire 130/60-B19
Rear tire 180/55-B18
Wheels Bronze Prodigy wheels. Dunlop® Harley-Davidson Series, bias blackwall tires.

Dimensions and weight

Wet weight 381.9 kg (842 lb)
Dry weight 365.6 kg (806 lb)
Seat height 678 mm (26.7 inches)
Overall length 2,405 mm (94.7 inches)
Wheelbase 1,625 mm (64.0 inches)
Ground clearance 140 mm (5.5 inches)
Carrying capacity Hard saddle bags, 2.3 cu ft volume

Fuel and emissions

Fuel capacity 22.71 L (6.00 US gal)
Fuel consumption 5.74 L/100 km (17.4 km/l or 40.98 mpg)
Greenhouse gases 133.2 CO 2 g/km. (CO2 – Carbon dioxide emission)

Electrical and instruments

Lights LED headlight

Other specifications

Color options Vivid Black, White Sand Pearl
Exhaust system Dual, with crossover
Price as new US$ 29999. MSRP depends on country, taxes, accessories, etc.
Comments Small windshield. Cruise control. Infotainment. USB. Bluetooth. Electronic linked braking.

Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Harley-Davidson models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Harley-Davidson information before relying on them. Visit the official Harley-Davidson website.