Harley-Davidson Sport Glide - 2021 Specifications and Reviews

The 2021 Harley-Davidson Sport Glide is a versatile custom cruiser powered by the Milwaukee-Eight 107 V-twin engine delivering 86 horsepower and strong low-end torque. Best suited for riders seeking a comfortable, manageable cruiser with modern performance and classic Harley character, it bridges touring capability with agile handling. Known for its balanced blend of style, reliability, and everyday ridability at an accessible price point.

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General information

Price as new3.8  See the detailed rating of design and look, maintenance cost, engine performance, etc. Compare with any other bike.
CategoryCustom / cruiser
Year2021
ModelHarley-Davidson Sport Glide
 
 

Engine and Transmission Specifications

Exhaust system2-into-1; catalyst in muffler
Greenhouse gases116.0 CO2 g/km. (CO2 - Carbon dioxide emission)
Fuel consumption5.00 litres/100 km (20.0 km/l or 47.04 mpg)
DrivelinePrimary chain, 34/46 ratio
ClutchMulti-plate with diaphragm spring in oil bath
Transmission typeBelt   (final drive)
Gearbox6-speed
Cooling systemAir
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection. Electronic Sequential Port Fuel Injection
Bore x Stroke100.0 x 111.1 mm (3.9 x 4.4 inches)
Compression10.0:1
Torque146.5 Nm (14.9 kgf-m or 108.0 ft.lbs) @ 2750 RPM
Power86.0 HP (62.8 kW) @ 5020 RPM
Engine detailsMilwaukee-Eight® 107
Engine typeV2, four-stroke
Capacity:1746.0 ccm (106.54 cubic inches)

Brakes, suspension, Frame and wheels

WheelsBlack, machine highlighted, Mantis cast aluminium
Rear brakesSingle disc. 2-piston. ABS.
Front brakesDouble disc. 4-piston. ABS.
Rear tire180/70-B16
Front tire130/70-B18
Rear SuspensionTwin shocks
Front SuspensionTelescopic fork
Trail150 mm (5.9 inches)
Rake (fork angle)30.0°

Physical measures and capacities

Oil capacity4.70 litres (4.97 US quarts)
Fuel capacity18.93 litres (5.00 US gallons)
Wheelbase1625 mm (64.0 inches)
Ground clearance120 mm (4.7 inches)
Overall length2324 mm (91.5 inches)
Alternate seat height673 mm (26.5 inches) If adjustable, highest setting.
Seat height653 mm (25.7 inches) If adjustable, lowest setting.
Power/weight ratio0.2829 HP/kg
Weight incl. oil, gas, etc317.0 kg (698.9 pounds)
Dry weight304.0 kg (670.2 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Carrying capacitySaddle bags
LightHigh beam, neutral, low oil pressure, turn signals, engine diagnostics, security system (optional), 6-speed, low fuel warnings
Instruments5-inch analog speedometer with digital gear, odometer, fuel level, clock, trip, range and tachometer indication
StarterElectric
Color optionsVivid Black DeLuxe, Vivid Black, Gauntlet Gray Metallic, Stone Washed White Pearl

Performance Profile & Rider Fit

86 hp
Peak Power
4.8s
0-60 mph

Best For

Track15%
City65%
Cornering55%
Daily Riding68%
Touring70%
Passenger60%

Rider Profile

Best ForSuits riders who have at least some experience with heavier cruisers, since the low-40s power-to-weight ratio and long wheelbase reward confident, deliberate handling rather than quick reflexes.
PurposeBuilt as a versatile cruiser that blends classic Harley V-twin style with quick-detach bags and a fairing, making it equally happy on weekend blasts and short-to-medium tours.
Rider FitThe low seat height around 653-673mm makes it approachable for shorter riders, though the 317kg wet weight demands decent upper-body strength for low-speed maneuvering and parking.
CharacterA laid-back, torque-rich cruiser personality that favors relaxed cruising over aggressive cornering, with the big Milwaukee-Eight engine delivering strong low-RPM pull rather than high-rev thrills.
Not Ideal ForNot a good match for riders chasing sportbike agility, track days, or any serious off-road use, since its weight, tire profile, and minimal ground clearance work against those pursuits.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2021 Harley-Davidson Sport Glide Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 653mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2021 Harley-Davidson Sport Glide, with a cramped knee angle of around 70 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

The 2021 Harley-Davidson Sport Glide is a versatile and stylish motorcycle that offers a perfect balance of performance and comfort. With its Milwaukee-Eight 107 V-Twin engine, this bike delivers impressive power and torque, making it a joy to ride on both city streets and open highways. The sporty design and adjustable components make it a great choice for riders of all levels, whether you're looking for a weekend cruiser or a daily commuter. Additionally, the Sport Glide features a removable windscreen and saddlebags, giving you the flexibility to customize the bike for your specific riding needs. The excellent handling and responsive suspension make for a smooth and confident ride, while the modern technology and instrumentation provide added convenience and safety. Overall, the 2021 Harley-Davidson Sport Glide is a top contender in the cruiser motorcycle market, offering a perfect combination of performance, comfort, and style for riders looking for a versatile and thrilling ride.
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