What category is the 2021 Herald Brat 125?

The 2021 Herald Brat 125 has a Category of Allround.

What is the engine size of the 2021 Herald Brat 125?

The 2021 Herald Brat 125 has a Capacity: of 124.0 ccm (7.57 cubic inches).

What type of engine does the 2021 Herald Brat 125 have?

The 2021 Herald Brat 125 has a Engine type of Single cylinder, four-stroke.

What is the engine power of the 2021 Herald Brat 125?

The 2021 Herald Brat 125 has a Power of 9.9 HP (7.2 kW).

What is the top speed of the 2021 Herald Brat 125?

The 2021 Herald Brat 125 has a Top speed of 112.0 km/h (69.6 mph).

Is the 2021 Herald Brat 125 air cooled or liquid cooled?

The 2021 Herald Brat 125 has a Cooling system of Air.

How many gears does the 2021 Herald Brat 125 have?

The 2021 Herald Brat 125 has a Gearbox of 6-speed.

How much does the 2021 Herald Brat 125 weigh?

The 2021 Herald Brat 125 has a Dry weight of 147.0 kg (324.1 pounds).

What is the seat height of the 2021 Herald Brat 125?

The 2021 Herald Brat 125 has a Seat height of 820 mm (32.3 inches) If adjustable, lowest setting..

Herald Brat 125 - 2021 Specifications and Reviews

Name: 2021 Herald Brat 125
Brand: Herald

⇄ Compare against another bike 📅 All Years

2021

Add/Upload pictures for this motorcycle

General information
Category	Allround
Model	Herald Brat 125
Year	2021

Engine and Transmission Specifications
Exhaust system	Stainless steel
Transmission type	Chain (final drive)
Gearbox	6-speed
Cooling system	Air
Fuel system	Carburettor
Top speed	112.0 km/h (69.6 mph)
Power	9.9 HP (7.2 kW)
Engine type	Single cylinder, four-stroke
Capacity:	124.0 ccm (7.57 cubic inches)

Brakes, suspension, Frame and wheels
Wheels	Wire spoked
Rear brakes	Single disc
Front brakes	Single disc
Rear Suspension	Monoshock
Front Suspension	USD telescopic fork
Frame type	Steel
Physical measures and capacities
Fuel capacity	10.00 litres (2.64 US gallons)
Seat height	820 mm (32.3 inches) If adjustable, lowest setting.
Power/weight ratio	0.0673 HP/kg
Dry weight	147.0 kg (324.1 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Comments	UK brand.
Light	LED headlight
Starter	Electric
Color options	Green, grey, yellow

Performance Profile & Rider Fit

10 hp

Peak Power

Best For

Track10%

City80%

Cornering45%

Daily Riding65%

Touring25%

Passenger25%

Rider Profile

Best For	This bike suits new riders or those returning to biking who want a light, unintimidating machine to build confidence on.
Purpose	It's built for gentle commuting, running errands, and casual weekend rides around town rather than any kind of performance riding.
Rider Fit	Its low seat height and light dry weight make it easy for shorter or less experienced riders to handle at a stop or in tight spaces.
Character	It has a simple, retro-styled, easygoing personality that favors charm and practicality over outright performance.
Not Ideal For	It's not for riders wanting motorway speed, long-distance touring comfort, or any serious off-road capability.

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

Rider Fit Visualizer

Your height

Inseam (optional)

Units

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

Feet:

At 820mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2021 Herald Brat 125, with a relaxed knee angle of around 125 degrees and a forward-leaning riding position.

Data quality: estimated (wheelbase estimated from this category's typical bike, not this model's own spec). 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.

Find bikes that fit your height →