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ATV · 2021

Blade 520

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MotoLibrary Score
40 /100 Commuter
Power/Weight
0.11 hp/kg
Torque
47 Nm
Engine
503 ccm

2021 Tgb Blade 520 Technical Analysis & Specification Breakdown

Built around Tgb's atv motorcycle platform, the 2021 Tgb Blade 520 pairs a 503 cc (30.7 cu in) liquid-cooled single cylinder, four-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 39 HP (28.5 kW) at 6,500 rpm while maximum torque reaches 47.1 Nm (34.7 lb-ft) at 5,500 rpm, transferring power to the rear wheel through a automatic gearbox and belt final drive. With a specific output of 77.5 HP per liter and a 1,000 rpm working window between peak torque (5,500 rpm) and peak power (6,500 rpm), the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.

On the scales, the Blade 520 measures 350 kg (772 lbs) dry, translating to a power-to-weight ratio of 0.11 HP/kg (8.97 kg per horsepower). Rider ergonomics and chassis geometry center around a 914 mm (36 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,280 mm (50.4 in) wheelbase engineered for quick, flickable steering geometry. The 18-liter (4.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Specific Output
77.5 HP/L
Power-to-Weight
0.11 HP/kg (8.97 kg/HP)
Power Band Window
5,500–6,500 rpm
Standover Height
914 mm (36 in)
Engine
Displacement 503.0 ccm (30.69 cubic inches)
Engine Type Single cylinder, four-stroke
Power 39.0 HP (28.5 kW)) @ 6500 RPM
Torque 47.1 Nm (4.8 kgf-m or 34.7 ft.lbs) @ 5500 RPM
Fuel System Injection
Fuel Control Single Overhead Cams (SOHC)
Cooling Liquid
Transmission
Gearbox Automatic
Final Drive Belt (final drive)
Driveline CVT
Chassis
Front Suspension Double A-Arm
Front Travel 220 mm (8.7 inches)
Rear Suspension Double A-Arm, IRS
Rear Travel 240 mm (9.4 inches)
Wheelbase 1280 mm (50.4 inches)
Wheels & Brakes
Front Tyre 25/8-12
Rear Tyre 25/10-12
Front Brakes Single disc
Front Brake Ø 200 mm (7.9 inches)
Rear Brakes Single disc
Rear Brake Ø 180 mm (7.1 inches)
Wheels Kenda tires
Dimensions & Weight
Dry Weight 350.0 kg (771.6 pounds)
Power/Weight 0.1114 HP/kg
Seat Height 914 mm (36.0 inches) If adjustable, lowest setting.
Overall Height 1205 mm (47.4 inches)
Overall Length 2120 mm (83.5 inches)
Overall Width 1240 mm (48.8 inches)
Fuel Capacity 18.00 litres (4.76 US gallons)
Other
Starter Electric
Color Options Red
Instruments Digital instrument panel
Warranty 2 years
Notes

Made in Taiwan. Sold i Australia. Switchable 2 or 4 WD. Automatic Transmission with Hi/Lo Range and Reverse.

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Power
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Seat Height
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Weight
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Fuel Capacity
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Brakes
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Suspension
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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
📏
Seat Height
91.4 cm / 36 in
⚖️
Handling
Heavy bike — requires confident handling
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