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Side-by-Side Bike Comparison · September 2026

Roadmaster Rex vs Zaara Digital V2

Technical comparison of performance curves, real-world dyno numbers, verified ratings, and full dynamic spec sheets.

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💎 Best Value

Roadmaster

Roadmaster Rex

Engine 80 cc

Power 6 bhp

Mileage 60 kmpl

Brakes / ABS N/A

Price in BD ৳70,900

Details

⚡ Power Leader

H Power

Zaara Digital V2

Engine 110 cc

Power 7.7 bhp

Mileage 50 kmpl

Brakes / ABS No

Price in BD ৳99,500

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

VALUE CHAMPION #1

Roadmaster Rex (Roadmaster Rex)

The Value Argument

Maximizes features per taka spent at ৳70,900. Ideal balance of equipment and accessible dealer pricing without sacrificing daily road manners.

Best for: Budget-conscious riders looking for modern styling.

POWER & HARDWARE #2

Zaara Digital V2 (Zaara Digital V2)

The Performance Benchmark

Delivers class-leading punch with 7.7 bhp and sharp throttle response. Backed by No for riders demanding confidence in high-speed and emergency scenarios.

Best for: Highway tours, enthusiast riding, emergency brake safety.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 7.7 Bhp

Roadmaster Rex (Roadmaster Rex) 6 bhp @ 8000 rpm

Zaara Digital V2 (Zaara Digital V2) 7.7 bhp @ 5000 rpm

Peak Torque Delivery (Nm) Top: 7.5 Nm

Roadmaster Rex (Roadmaster Rex) 0 Nm

Zaara Digital V2 (Zaara Digital V2) 7.5 Nm @ 6000 rpm

Claimed Top Speeds

80 km/h

Roadmaster Rex (Roadmaster Rex)

90 km/h

Zaara Digital V2 (Zaara Digital V2)

Dyno takeaway: Engine cooling hardware (liquid vs oil vs air) and gear ratios determine how long peak power can be sustained on open highway runs.

03 / Multi-Vector Scorecard

AI Analysis Engine

Rule-Based Specs Synthesizer

AI Engine Recommendation

Comparing power-to-weight, braking safety gear, real mileage data, and dealer price points across this matchup. Use the 5-point radar breakdown below to balance your budget against your daily riding style.

Roadmaster

Roadmaster Rex (Roadmaster Rex)

8.5 / 10

Performance 8.7

Comfort 8.5

Tech & Features 6.8

Fuel Economy 9.5

Value for Money 8.8

H Power

Zaara Digital V2 (Zaara Digital V2)

8.3 / 10

Performance 9.5

Comfort 7.8

Tech & Features 7.4

Fuel Economy 8.9

Value for Money 8.1

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Roadmaster Rex	Zaara Digital V2
Brand	Roadmaster	H Power
CC	80	110
Regular Price	70900	99500
Bike Type	Commuter	Commuter
Distributor/Seller	Roadmaster Motors LTD	N/A
Model Year	N/A	N/A
Brand Origin	N/A	N/A
Made In	N/A	N/A
Assemble In	N/A	N/A
Launched Date	N/A	N/A

Engine 15

Engine Type	4 – Stroke Single Cylinder	Four stroke, single cylinder, air cooled
Displacement	79	106.67
Maximum Power	6 Bhp @ 8000 RPM	7.7 Bhp @ 5000 RPM
Maximum Torque	0 NM @ 0 RPM	7.5 NM @ 6000 RPM
Bore	N/A	N/A
Stroke	N/A	N/A
Compression Ratio	N/A	13.5:1
Valves	N/A	2
Fuel Supply	Carburetor	Carburetor
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Kick & Electric
Engine Oil Grade	N/A	20W40
Engine Oil Capacity	N/A	1 L (Without Filter)
Best Lube For	N/A	Mobil Super Moto 20W40 4T

Transmission 4

Transmission Type	Manual	Manual
No of Gears	4	4
Clutch Type	Wet multi-disc clutc	Wet-multiplate
Drive Type	N/A	Chain Drive

Mileage & Top Speed 2

Mileage	60 Kmpl (Approx)	50 Kmpl (Approx)
Top Speed	80 Kmph (Approx)	90 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	N/A
Front Suspension	Telescopic	Telescopic
Rear Suspension	Twin-Spring loaded	Twin Shock

Brakes 6

Front Brake Type	Single Disc	Single Disc
Rear Brake Type	Drum Brake	Drum Brake
Front Brake Diameter	N/A	N/A
Rear Brake Diameter	N/A	N/A
Anti-Lock Braking System (ABS)	N/A	No
Braking System	N/A	Single Disc

Wheels & Tyres 4

Front Tyre Size	2.50-17	2.75-17
Rear Tyre Size	2.75-17	3.00-17
Tyre Type	Tubetyre	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1940 mm	1970 Mm
Overall Width	800 mm	780 Mm
Height	1300 mm	1020 Mm
Ground Clearance	N/A	165 Mm
Weight	88.8 Kg	115 kg
Fuel Tank Capacity	9.5L	12.4 L
Wheelbase	1200 mm	1265 Mm
Seat Height	N/A	N/A

Electricals 5

Battery Type	MF	MF
Battery Voltage	12v	12v
Head Light	Halogen	Halogen
Tail Light	Halogen	Halogen
Indicators	Halogen	Halogen

Features 8

Speedometer	Analog	Digital
Odometer	Analog	Analog
RPM Meter	Digital	Analog
Handle Type	Pipe handle bar	Pipe handle bar
Seat Type	Single-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	No	No
Additional Feature	N/A	N/A