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2021

2021 Ather 450X

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MotoLibrary Score
37 /100 Commuter
Power/Weight
0.07 hp/kg
Torque
26 Nm
Top Speed
129 km/h
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🧍 2D Fit Simulator πŸ“‹ Buyer Checklist
Performance & Handling Profile Lightweight Agile Urban / Canyon Rider

2021 Ather 450X Performance & Handling Ratings

POWER TORQUE AGILITY ERGONOMICS RANGE Power: 24/100 (8 HP) Torque: 40/100 (26 Nm) Agility: 98/100 (108 kg) Ergonomics: 75/100 (780 mm) Range: 58/100 (Standard)
Power
24/100
8 HP
Torque
40/100
26 Nm
Agility
98/100
108 kg
Ergonomics
75/100
780 mm
Range
58/100
Standard
Tires, Oil & Maintenance Specs 2021 Factory Reference

2021 Ather 450X Tire Size, Oil & Service Capacities

πŸ›ž Front Tire Size
90/90-12
Pressure: 1.8 bar (26 psi)
πŸ›ž Rear Tire Size
90/90-12
Pressure: 2.0 bar (29 psi)
πŸ›’οΈ Engine Oil & Capacity
SAE 10W-40 4T (API SL/SN / JASO MA2)
Capacity: 1.00 litres (1.06 US quarts)
⛓️ Final Drive & Chain
Chain 428
6-speed
⚑ Spark Plugs & Battery
NGK CR8E / CPR8EA-9
Battery: 12V 6Ah / 7Ah (YTX7L-BS)
πŸ“ Seat Height & Mass
780 mm (30.7 inches) If adjustable, lowest setting.
Wet weight: 108.0 kg (238.1 pounds)
πŸ”§ Printable Workshop Fluid & PSI Card β†’
Engine
Engine Type Electric
Power 8.0 HP (6.0 kW)
Torque 26.0 Nm (2.7 kgf-m or 19.2 ft.lbs)
Valves/Cylinder 2
Fuel Control Single Overhead Cams (SOHC)
Ignition Digital transistorized (TCI / ECU)
Lubrication Wet sump forced lubrication
Transmission
Gearbox 6-speed
Clutch Multiplate wet clutch, cable/hydraulic operated
Driveline Roller chain final drive
Chain Size 428
Performance
Top Speed 128.8 km/h (80.0 mph)
Chassis
Frame Type Aluminum Cast
Front Suspension Telescopic fork
Rear Suspension Mono shocks
Wheelbase 1296 mm (51.0 inches)
Wheels & Brakes
Front Tyre 90/90-12
Rear Tyre 90/90-12
Front Tire Pressure 1.8 bar (26 psi)
Rear Tire Pressure 2.0 bar (29 psi)
Wheels Cast aluminium alloy rims
Dimensions & Weight
Weight incl. 108.0 kg (238.1 pounds)
Seat Height 780 mm (30.7 inches) If adjustable, lowest setting.
Oil Capacity 1.00 litres (1.06 US quarts)
Service & Fluids
Engine Oil SAE 10W-40 4T (API SL/SN / JASO MA2)
Brake Fluid DOT 4
Spark Plugs NGK CR8E / CPR8EA-9
Battery 12V 6Ah / 7Ah (YTX7L-BS)
Other
Starter Electric
Color Options White, Grey, Green
Electrical 12V 6Ah / 7Ah (YTX7L-BS)
Notes

Range 85km 0-80% (Home Charging) 3hours 35minutes 0-100% (Home Charging) 5hours 45minutes Fast-charging Rate (0-50% SOC) 1.5km/min

Owner Reviews, Editor Verdict & Safety Recalls Verified 2021 owner feedback, NHTSA/DVSA recall records & editorial review

2021 Ather 450X 2021 2021 Ather 450X Pros, Cons, Recalls & Verdict

βœ“ 5 Positive Owner Reviews (Pros)
  • Brilliant Warp mode acceleration propelled by a 6 kW permanent magnet synchronous motor delivering 26 Nm torque
  • Superb 7-inch Android-based touchscreen dashboard featuring Google Maps navigation and OTA updates
  • Exceptional chassis balance and 49:51 weight distribution provide sportbike-like cornering agility
  • Strong regenerative braking system and responsive front/rear disc brakes with CBS
  • Comprehensive connected app ecosystem with remote diagnostics, ride statistics, and geofencing
! 5 Negative Owner Reviews & Known Issues (Cons)
  • Real-world highway range drops substantially when ridden aggressively in Warp mode
  • Touchscreen display can become warm under intense direct sunlight and occasionally lags
  • Firm suspension setup transmits harsh road bumps directly through the chassis
  • Premium initial acquisition cost compared to internal combustion scooter alternatives
  • Fast-charging infrastructure was still developing across secondary and rural markets
β˜… Editor's Technical Verdict (2021)

The 2021 Ather 450X set the benchmark for high-performance premium electric scooters in India, blending cutting-edge smart technology with exceptional chassis dynamics. Its potent 6 kW motor and blistering Warp mode deliver punchy throttle response, while its aluminum hybrid chassis offers handling dynamics that rival conventional performance bikes. Although real-world battery range requires mindfulness when exploiting its full performance and the suspension is tuned firm, its software refinement and build quality stand out. It is tailored for tech-forward urban riders and early EV adopters demanding a smart, thrilling daily commuter.

πŸ›‘οΈ Official Safety Recalls (2021) 0 Official Recalls

No official safety recalls reported for this model year.

2021 Ather 450X 2021 2021 Ather 450X Technical Analysis, Chassis Review & Ownership Overview

Engineered by Ather 450X 2021 for the motorcycle segment, the 2021 Ather 450X 2021 2021 Ather 450X features a purpose-built electric configuration. In factory specification, peak output is rated at 8 HP (6 kW) while maximum torque reaches 26 Nm (19.2 lb-ft), transferring power to the rear wheel through a 6-speed transmission, a multiplate wet clutch, cable/hydraulic operated clutch. Internal cylinder geometry specifies 2 valves per cylinder.

On the scales, the 2021 Ather 450X measures 108 kg (238 lbs) wet (curb), translating to a power-to-weight ratio of 0.07 HP/kg (13.5 kg per horsepower). Rider ergonomics and dimensional geometry center around a 780 mm (30.7 in) seat height β€” offering a neutral standover height that accommodates most average-inseam riders (170–182 cm / 5'7"–6'0") without sacrificing cornering clearance and a 1,296 mm (51 in) wheelbase engineered for quick, flickable turn-in geometry.

Structurally, the 2021 Ather 450X 2021 2021 Ather 450X is built around a Aluminum Cast chassis with front suspension handled by Telescopic fork and rear damping managed via Mono shocks. Factory rolling stock mounts a 90/90-12 front tire and a 90/90-12 rear tire, sizing the contact patch for predictable turn-in grip and replacement tire availability.

From a licensing standpoint, its 6 kW output qualifies for European A1 and beginner motorcycle license tiers. Routine workshop maintenance calls for recommended SAE 10W-40 4T (API SL/SN / JASO MA2) engine oil (1.00 litres (1.06 US quarts)), NGK CR8E / CPR8EA-9 spark plugs, cold tire pressures of 1.8 bar (26 psi) front / 2.0 bar (29 psi) rear. Buyers cross-shopping the 2021 Ather 450X 2021 2021 Ather 450X in the Unspecified category segment most frequently benchmark its horsepower, seat height, and curb weight against the Italmoto Nevia E 2022 2022 Italmoto Nevia E (2022), Road Hopper Type 2i (2023), Sym Jet 4 50 (2019).

Power-to-Weight
0.07 HP/kg (13.5 kg/HP)
Standover Height
780 mm (30.7 in)
Tire Combination
90/90-12 / 90/90-12
About These 2021 Ather 450X 2021 2021 Ather 450X Specifications & Data Sources: Technical data for the 2021 Ather 450X 2021 2021 Ather 450X is compiled from manufacturer OEM service sheets and type-approval records by the MotoLibrary Editorial Team. Performance ratings, seat-height ergonomics, A1/A2 license eligibility, gearing speeds, and ownership cost estimates are calculated across MotoLibrary's database of 43,881+ motorcycles using power-to-weight (HP/kg) ratios and factory chassis dimensions.
βœ“ Verified against OEM service manuals & type-approval records
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50 cc
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Buying Checklist

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
Rider Profile

Who Is This Bike For?

🟒
Beginner
A2 license compatible, manageable power.
🏍️
Best For
General Purpose
πŸ“
Seat Height
78 cm / 30.7 in
βš–οΈ
Handling
Very lightweight β€” easy to handle
Seat Height & Ergonomics Seat: 780 mm (30.7 in)

2021 Ather 450X Seat Height & Rider Height Fit

175 cm (5'9")
79 cm (31.1")
Footwear Sole:
🟒 Balls of Both Feet (Secure)
Est. Knee Angle: ~92Β°

Quick Height Reference (780 mm Saddle + 28 mm Seat Width Arc):
163cm (5'4")
Tip-Toe
170cm (5'7")
Balls of Feet
178cm (5'10")
Flat-Foot
185cm (6'1")
Flat-Foot
License & Power Limit Check EU / UK A2 Compliant (Native)

2021 Ather 450X A1, A2 & LAMS License Compatibility

Directly compliant with the ≀35 kW (47 HP) and ≀0.20 kW/kg A2 license limit without restriction kits.

Output (kW / HP)
6 kW (8 HP)
Power / Weight
0.056 kW/kg
LAMS Ratio
56 kW/t
πŸ‡ͺπŸ‡Ί EU/UK A1 (≀11kW) βœ— No
πŸ‡ͺπŸ‡Ί EU/UK A2 (≀35kW) βœ“ Native
πŸ‡¦πŸ‡Ί AU/NZ LAMS (≀150kW/t) βœ— Exceeds
🌍 Unrestricted Class A βœ“ All Riders
* EU Directive 2006/126/EC requires ≀35 kW (47.5 HP), ≀0.20 kW/kg wet weight, and a factory base model not exceeding 70 kW (95 HP) for A2 restriction. Always verify VIN homologation on your registration certificate.
Engine Design & Chassis Dimensions OEM Specs

2021 Ather 450X Engine Stroke, RPM & Steering Geometry

Mean Piston Speed (@ 8,500 RPM)
Standard Street Velocity
Standard Factory Thermal Load
Bore Γ— Stroke Architecture
OEM Spec
Balanced Street Engine Architecture
Steering Rake & Trail
Standard Rake
Neutral Balanced Cornering & Highway Composure
Wheelbase & Stability
1,296 mm (51 in)
Compact agile chassis footprint
Engine Note: Mean piston speed (vm = 2 Γ— Stroke Γ— RPM / 60) measures piston travel velocity at peak power. Values under 18.5 m/s indicate low inertial stress on connecting rods and rings; values above 21.5 m/s approach Formula 1 / MotoGP velocities.
Sprockets, Chain & Cruising RPM Base: 16T / 43T (2.69:1) Β· Class Ref

2021 Ather 450X Sprocket Ratio, RPM & Top Speed

16T (0)
43T (0)
Final Ratio
2.69:1
0.0% (Factory Stock)
100 / 120 km/h RPM
Top gear est.
Geared V-Max
~128.8 km/h
Rule of Thumb: Dropping 1 tooth in the front (-1T) equals roughly adding +2.7 to +3 teeth on the rear sprocket, boosting wheel torque by ~6–7% at the cost of higher highway cruising RPM.
Tire Pressure & Suspension Travel Travel: 125mm F / 130mm R

2021 Ather 450X Tire Pressure (PSI / Bar) & Suspension Sag

1. Riding Setup Mode:
2. Payload / Passenger Load:
Target Rider Sag (F / R)
38 mm Front Β· 39 mm Rear
Free (Static) Sag target: 10–15 mm
Cold Tire Pressure (F / R)
26 / 29 PSI
Cite or Share Spec Card

2021 Ather 450X 2021 2021 Ather 450X Summary Table

Writing a review, forum post, or blog article on the 2021 Ather 450X 2021 2021 Ather 450X? Copy a Markdown table or embeddable HTML spec card:

### 2021 Ather 450X 2021 2021 Ather 450X β€” Key Specs & Telemetry
| Parameter | Specification |
| :--- | :--- |
| **Category** | Unspecified category |
| **Displacement** | N/A |
| **Power Output** | 8.0 HP (6.0 kW) (0.056 kW/kg) |
| **Torque** | 26.0 Nm (2.7 kgf-m or 19.2 ft.lbs) |
| **Seat Height** | 780 mm (30.7 inches) If adjustable, lowest setting. |
| **Weight (Dry / Wet)** | N/A / 108.0 kg (238.1 pounds) |
| **Mean Piston Speed** | Standard |
| **EU A2 License Status** | EU / UK A2 Compliant (Native) |
| **Source & Full Telemetry** | https://motolibrary.com/bikes/ather-450x-2021/2021-ather-450x/2021 |
<div style="font-family:system-ui,-apple-system,sans-serif;border:1px solid #e2dfd8;border-radius:12px;padding:14px 16px;max-width:560px;background:#ffffff;color:#1a1a1a"><div style="font-weight:700;font-size:16px;margin-bottom:8px">2021 Ather 450X 2021 2021 Ather 450X β€” Technical Specs &amp; Recall Summary</div><table style="width:100%;border-collapse:collapse;font-size:13px"><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Engine / Power</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">N/A Β· 8.0 HP (6.0 kW)</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Seat Height</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">780 mm (30.7 inches) If adjustable, lowest setting.</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">Weight (Dry / Wet)</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">N/A / 108.0 kg (238.1 pounds)</td></tr><tr><td style="padding:5px 0;border-bottom:1px solid #eee;color:#666">License / Recall Audit</td><td style="padding:5px 0;border-bottom:1px solid #eee;font-weight:600;text-align:right">EU / UK A2 Compliant (Native) Β· 0 official safety recalls recorded</td></tr></table><div style="margin-top:8px;font-size:12px;color:#666">Data source: <a href="https://motolibrary.com/bikes/ather-450x-2021/2021-ather-450x/2021" style="color:#bf3b00;font-weight:600;text-decoration:none">2021 Ather 450X 2021 2021 Ather 450X Specs, Review &amp; Recalls β€” MotoLibrary</a></div></div>
Running & Fuel Cost Estimate

2021 Ather 450X Annual Fuel, Maintenance & Ownership Cost

β›½ Fuel
per year
πŸ”§ Maintenance
per year
πŸ›‘οΈ Insurance
per year
TOTAL

* Estimates only. Actual costs vary by country, riding habits, insurance provider and maintenance schedule.

Quick Buyer Answers

2021 Ather 450X 2021 2021 Ather 450X Frequently Asked Questions

Does the 2021 Ather 450X 2021 2021 Ather 450X have any official safety recalls?

No official safety recalls reported for this model year.

What is the seat height and weight of the 2021 Ather 450X 2021 2021 Ather 450X?

The 2021 Ather 450X 2021 2021 Ather 450X has a seat height of 780 mm (30.7 inches) If adjustable, lowest setting., a dry weight of unspecified, and a wet/curb weight of 108.0 kg (238.1 pounds).

Is the 2021 Ather 450X 2021 2021 Ather 450X EU A2 or LAMS license legal?

License classification: EU / UK A2 Compliant (Native). Directly compliant with the ≀35 kW (47 HP) and ≀0.20 kW/kg A2 license limit without restriction kits.

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