web counter

2020 Monster 821 Stealth Ducati Urban Bike Review Specs

The 2020 Monster 821 Stealth Ducati Urban Bike honors the legacy of the Monster 900, which revolutionized the motorcycle industry 25 years ago. It was built to provide the best riding fun at all times and in all conditions, thanks to its agility and athletic performance. The Monster 821 series has been revived with a new stealth version: matte black paint, redesigned graphics, and a new front fringe that gives Naked Ducati a distinct personality. It is highly efficient on the road thanks to standard equipment, including an adjustable fork and Ducati Quick Shift up / down.

At the 1992 Cologne Motor Show, Ducati unveiled the real, famous monster. Monster 821 has undergone a significant update in the last 25 years. The 821 Original Monster 900 retains everything of the original, combining the best performance with exceptional riding friendliness. The Monster 821 is the best everyday bike with the best quality equipment, reasonable proprietary cost, and many accessories. It also has the distinct Ducati game-naked feeling that every monster has.

2020 Monster 821 Stealth Ducati Urban Bike

The Monster 821 was initially improved to combine the aesthetic and practical elements that look like the Monster 1200, with a more modified tank and tail, a more smooth, vibrant appearance, a brand new silencer, and classic and modern headlamps. The medium-sized Monster has a colorful TFT display with selected gear and fuel indicators, as well as Ducati Quick Shift up / down technology, which is available as a device.

2020 Monster 821 Stealth Ducati Urban Bike – Features

Iconic design

The design of the 2020 Monster 821 Stealth Ducati Urban Bike features volumes, sleeves, tanks, and headlights that are faithful to the original shape of the 1993 motorcycle and give it a modern twist. Like the real monster, the classic tank has a hook. The stealth version features new artwork and a redesigned windscreen, giving the Monster 821 a distinct and recognizable personality.

Testastretta 11° engine

The new 2020 Monster 821 Stealth Ducati Urban Bike’s Testastretta 11 ° engine can ensure maximum power and torque values, fluid delivery, and entire torque curve at all speeds to ensure rider performance and agility. A variant of the Monster 821 with 35 kW regulated power is also available for those with a limited license.

The pleasure of a safe ride

The new 2020 Monster 821 Stealth Ducati Urban Bike can provide pleasant riding experiences in perfect harmony with the road thanks to the advanced technology and specially developed ergonomics of the model.

2020 Monster 821 Stealth Ducati Urban Bike


Ducati Testastretta 11 ° Innovative engine materials and technology enable very long maintenance intervals and low operating costs with oil changes every 15,000 km (or 12 months) and valve clearance control (Desmo Service) every 30,000 km.

Sporty and compact

The new 2020 Monster 821 Stealth Ducati Urban Bike is a sleek, uncomplicated, and athletic motorbike designed to reflect the concept of the “Sport Naked Bike.”

Modern and up-to-date

The modern and futuristic front headlamp of the new Monster 821 returns to Monster’s signature circular shape.

Monster related to your color

The Monster 821 comes in two separate livers: a stealth version with the famous Ducati Red and the latest graphics: two independent livers for a real Monsterista bike.

TFT in color

The Monster 821’s instrument panel has a colorful TFT display with gear and fuel level indicators.


The front headlamp of the 2020 Monster 821 Stealth Ducati Urban Bike is futuristic and modern, while the Circular Cruise evokes the Monster front end that has always been admired for generations.

Up and down Ducati Quick Shift (DQS)

The Ducati Quick Shift up / down is an electrical system adopted from Racing that allows you to switch gears without operating the clutch and without turning off the throttle when shifting up and down without using the grip. With closed throttle only when going down.

2020 Monster 821 Stealth Ducati Urban Bike

11 ° Testosterone

The new 2020 Monster 821 Stealth Ducati Urban Bike is equipped with a twin-cylinder Desmodromic Testastrata 11 ° engine with a displacement of 821 cm3 which acts as a chassis structural element.

Clutch for anti-hop

The Monster 821’s anti-hop wet clutch runs on cable and takes a little effort on the lever.

Emission system

The Testastretta 11 ° 821 engine is mated to a Type 2-1 exhaust system, ensuring unparalleled performance.

Subframes and frames

The new Monster 821 features a load-bearing engine and a primary trail frame attached to the dual cylinder heads.

Brembo Braking System

In any case, the new Monster 821 braking system ensures excellent performance and safety.


The new 2020 Monster 821 Stealth Ducati Urban Bike has a 43mm diameter front fork and a rear mono-shock with spring pre-load adjustment and hydraulic brake extension that uses a progressive vertical linkage with a vertical cylinder on one side and a die-cast aluminum double-sided swing arm.

2020 Monster 821 Stealth Ducati Urban Bike

2020 Monster 821 Stealth Ducati Urban Bike – Technical Specifications


Type Ducati Testastretta 11°, L-Twin, four valves per cylinder, Desmodromic
timing, Water-cooled
Displacement 821 cc (50.1 cu in)
Bore x stroke 88 x 67.5 mm
Compression ratio 12.8 : 1
Power 80 kW (109 hp) @ 9,250 rpm
Torque 86 Nm (63 lb-ft, 8.8 kgm) at 7,750rpm
Fuel injection Electronic fuel injection system, 53mm throttle bodies, Full Ride-by-Wire system
Exhaust 2-1 system, Two lambda probes, Stainless steel muffler with aluminum end cap


Gearbox Six speed including Ducati Quick Shift up/down (DQS)
Primary drive Straight cut gears, Ratios: 1.85:1
Final drive Chain drive, Front sprocket Z15, and Rear sprocket Z46
Clutch Slipper & self-servo wet multi-plate clutch with mechanical control


Frame Tubular steel trellis frame
Front suspension 43mm USD fully adjustable fork
Front-wheel 10-spoke light alloy, 3.5 inches x 17 inches
Front tire Pirelli Diablo Rosso III 120/70 ZR17
Rear suspension Progressive linkage having adjustable mono-shock, Aluminium double-sided swingarm
Rear-wheel 10-spoke light alloy, 5.5″ x 17″
Rear tire Pirelli Diablo Rosso III 180/55 ZR17
Wheel travel (front/rear) 130mm /140mm (5.12 inches / 5.51 inches)
Front brake 2 x 320mm semi-floating discs, radially mounted monobloc Brembo M4.32 calipers, 4-piston, Bosch ABS
Rear brake Ø 245 mm disc, 2-piston calliper, Bosch ABS
Instrumentation TFT colour display

2020 Monster 821 Stealth Ducati Urban Bike

Dimensions and weight

Dry weight 180,5 kg (398 lb)
Wet weight (kerb) 206 kg (454 lb)
Wet weight (no fuel) 195 kg (430 lb)
Seat height Adjustable 785 mm – 810 mm (30.9 in – 31.9 in)
Wheelbase 1,480 mm (58.3 in)
Rake 24°
Trail 93 mm (3.7 in)
Fuel tank capacity 16.5 l (4.4 US Gal)
Number of seats 2


Safety equipment Riding Modes, Power Modes, Ducati Safety Pack (Bosch ABS + Ducati Traction Control DTC), Ducati Quick Shift up/down (DQS)
Standard equipment LED position light & tail light, TFT color display, Passenger seat cover, Flyscreen, USB power socket
Provided equipment
Ready for Anti-theft system


Warranty 24 months, Unlimited mileage
Mainteinance service intervals 15,000km (9,000mi) / 12-month
Valve clearance check 30,000 km (18,000 mi)

Emissions & consumption

Standard Euro 4
Co2 emissions 125 g/km
Consumption 5.4 l/100 km

Related Articles

Stay Connected