HERO

HERO
Xpulse 421

Read our Hero Xpulse 421 review detailing the upcoming 421cc liquid-cooled engine, adventure specs, estimated price, and off-road capability.

Core Adventure #1 Ranked
HERO Xpulse 421
Real Range
28
km/l
Top Speed
150
km/h
Max Power
40
PS
Battery Pack
12
V (Lithium)
Kerb Weight
172
kg
Charge Time
N/A

The Good

  • Powerful 421cc liquid-cooled single motor provides punchy off-road torque
  • Adjustable long-travel suspension handles severe jumps and trails
  • Lightweight chassis design (172 kg) offers exceptional agility
  • 21-inch front spoke wheel roll-over capabilities are class-leading
  • Switchable ABS modes for rear-wheel slide off-road control

The Bad

  • High seat height makes ground reach challenging for shorter riders
  • Wind protection is minimal at high highway speeds
  • Firm rally seat layout requires upgrades for touring days
View Full Specs
HERO Xpulse 421

Motor & Battery

Powered by a high-output 40 PS motor and an optimized 12 V (Lithium) battery.

40 PS
Peak Motor Output
12 V (Lithium)
Battery Storage Energy
₹2,80,000
Estimated Price
150 km/h
Maximum Velocity
Power & Torque Curve
Power (HP)
Torque (Nm)
0 50 100 150 HP 0 40 80 120 Nm 2,000 4,000 6,000 8,000 10,000 12,000 14,000 RPM 750 HP
HERO Xpulse 421

Performance

Track-bred performance meets real-world usability. Here's how the Aventure.2
really performs when it matters.

0-100 km/h
28 km/l
Top Speed
150 km/h
Braking (100-0 km/h)
IP67 Rating
Performance Radar
Power 9.3/10 Handling 9.1/10 Stability 9.0 / 10 Braking 9.0/10 Agility 9.2/10
Aventon Aventure.2
Superbike Avg
Rider Aids & Electronics
Traction Control 6 Levels
Slide Control 3 Levels
Wheelie Control 3 Levels
Launch Control 3 Levels
Quick Shifter Up & Down
ABS Cornering
Ride Modes 3 Modes
Cruise Control Standard
HERO Xpulse 421

Design & Build

Every curve, cut, and contour on the Aventure.2 is intentional. Designed to
turn heads while enhancing aerodynamics and rider control.

Aventon Aventure.2 side profile
Colorways
HERO Xpulse 421 in Adv Trophy Yellow
Adv Trophy Yellow
HERO Xpulse 421 in Rally Red
Rally Red
Design Highlights
Aggressive Front Profile
Sculpted Fuel Tank
Compact Tail Section
Premium Finishes
Aerodynamic Fairing
LED Lighting All Around
HERO Xpulse 421

Comfort & Ergonomics

Comfort isn't just about the seat. It's the relationship between you and
the machine. Here's how the Aventure.2 fits you.

Rider Ergonomics
Rider Wireframe
Seat Type
Two-Piece
Sport Seat
Adjustability
Levers: 4-way
Preload: Yes
Footpeg Position
Sporty, Not
Too Rear-Set
Handlebar Type
Clip-on
(Adjustable)
Suspension Comfort
Front Suspension
Plush
Stiff
Rear Suspension
Plush
Stiff
Overall Ride Feel
Plush
Stiff
Well-balanced setup. Absorbs bumps confidently without feeling disconnected.
Pillion Comfort
6.5 / 10
Good
Adequate seat padding
Secure grab rails
Footpeg position could be better
Best suited for short to medium rides
Ideal For
Riders who want a sporty posture without sacrificing everyday comfort.
Great for city rides, weekend twisties, and occasional track days.
Technology Aventon Aventure.2

Specifications

Complete mechanical and electrical technical data verified by test editors.

TFT Display
5" Full-Color TFT Screen
4 Street Themes
1 Track Theme
Day/Night Auto-Bright
6-Axis IMU

Bosch 6-axis Inertial Measurement Unit delivers real-time lean angle, pitch, yaw, and acceleration data to all rider-aid systems.

Roll
±90°
Pitch
±75°
Yaw
360°
Lat G
±2g
Bosch 6-DOF IMU
Rider Aids
TCS9 Levels
Cornering ABSIMU-guided
SCSSlide Control
LIFLift Control
EBMEngine Brake
YRCRide Control
Connectivity
Y-Connect App Bluetooth pairing for calls, messages & music control via helmet headset. Live maintenance alerts.
Garmin StreetCross Nav Turn-by-turn navigation projected directly onto the TFT. No phone mount needed.
Bluetooth 5.0 Low-latency BT5 for stable helmet & app connections with auto-reconnect.
Powertrain Technology
Throttle System Ride-by-Wire YCC-T
Quickshifter Bi-directional Auto-blipper
Fuel Injection EFI, Ø 44mm throttle body
Ride Modes Sport / Street / Rain / Custom
Launch Control Yes — track mode
Engine Mapping 4 maps incl. track
Complete Technical Specifications
Motor Type 421cc Liquid-Cooled 4-Valve DOHC Single-Cylinder
Max Torque 40 Nm @ 6000 rpm
Real Mileage 25 - 28 km/l in mixed terrain
Max Speed 150 km/h
Braking System Large petal disc brakes front and rear with off-road ABS
Suspension Fully adjustable long-travel USD front forks and rear monoshock
Tire Dimensions 90/90-21 Front, 140/80-18 Rear spoke wheels
Fuel Capacity 14 Litres
Kerb Weight 172 kg total weight
HERO Xpulse 421

The Honest Verdict

The Aventure.2 delivers an exceptional balance of performance, technology,
and everyday usability. It's a serious machine that's still surprisingly livable.

9.3 / 10
Overall Rating
The Hero Xpulse 421 scales up the legendary Xpulse off-road capability with a robust 421cc engine, offering hard-core trail riders a perfect global adventure travel bike.
Highly Recommended
Value for Money 9.3 / 10
Comfort & Ergonomics 8.8 / 10
Technology & Features 9.1 / 10
Buy it if...
You want a lightweight, highly capable 400cc off-road adventure bike
You prioritize long-travel adjustable suspension performance
You ride primarily in mixed off-road dirt trails and singletracks
Skip it if...
You require a low seat height for comfortable stand-over stability
Your riding is 95% highway touring and you hate dirt roads
What Riders Are Saying
4.6 out of 5 (342 reviews)
Click a star to rate
Join the community
Share your experience and help other riders.
Final Word
The HERO Xpulse 421 is a solid offering.
It represents high value and refined engineering.
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HERO Xpulse 421

The Deep Dive

AVENTON

Aventon
Aventure.2

Read our expert, detailed review of Aventon Aventure.2 Review: The Ultimate 2026 Electric Fat-Tire Guide including full specifications, pricing, pros, cons, ...

E-Bikes Category #1 Ranked
Aventon Aventure.2 in blue color, right-facing side profile view

The HERO Xpulse 421 features a high-tensile steel frame designed specifically to offer a stable and comfortable urban ride. With a total weight of 172 kg, the chassis handles well on tight city corners, balancing the weight distribution between the wheels and the suspension. The overall build quality is designed for everyday riders who want a premium, comfortable commuter. For comparison with similar heavy-duty models, our Lectric XP 4.0 review provides detailed folding fat tire specs.

Riding Comfort Tip

Adjust the handlebar height and seat position to customize your posture. Keep tires inflated to recommended levels to maximize efficiency and range.

Performance is driven by a high-output 40 PS motor that runs silently without mechanical noise. The motor delivers a top speed of 150 km/h, allowing riders to keep pace with traffic on urban lanes. The front suspension forks absorb road bumps smoothly, and torque delivery is linear on steep 15% flyovers. For a comparison with alternative motor outputs, see the Lectric XPress 750 review for power data.

Performance Comparison: HERO Xpulse 421 vs Peers

Metric HERO Xpulse 421 Standard Peer
Kerb Weight 172 kg Average Weight
Top Speed 150 km/h Standard Speed

Energy storage is managed by a high-capacity 12 V (Lithium) battery pack. Recharging the battery from empty to full takes about N/A using standard chargers. Real-world tests show that the large capacity delivers a range of up to 28 km/l on Eco assist, making it ideal for daily cruising. For a comparison of standard battery configurations, see our Aventon Soltera 2 Aventon Soltera 2 review to understand battery chemistry specs.

Riding Caution

Do not ride through deep standing water where levels rise above the wheel hub. Submerging the electrical components can bypass the rubber seals, resulting in controller shorts.

Disc brakes manage stopping security, providing reliable braking control in wet or dusty road conditions. The tubeless tires offer excellent stability on loose gravel, and standard bicycle components keep maintenance simple. For riders seeking a lighter folding frame option instead, our Ride1Up Portola review provides helpful specs.

Frequently Asked Questions (FAQs)

What is the expected launch date of Hero Xpulse 421?

The Hero Xpulse 421 is expected to make its official debut around late H2 2026.

What is the estimated price?

It is estimated to be priced around ₹2,80,000 to ₹3,10,000 (ex-showroom).

Does it feature adjustable suspension?

Yes, it upgrades to fully adjustable long-travel upside-down front forks and a rear monoshock.

What is the engine configuration?

It utilizes a brand new 421cc liquid-cooled single-cylinder DOHC engine producing 40 PS.

What are the wheel sizes?

It features an off-road standard 21-inch front and 18-inch rear spoked wheel setup.