Overview Verdict The Dyno Room LIVE AI Engine Full Specs Media & Gallery

Compare Bikes Compare Accessories

Side-by-Side Bike Comparison · September 2026

H Power RoxR vs Roadmaster Rex

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

Add Bike to Comparison

⚡ Power Leader

H Power

H Power RoxR

Engine 150 cc

Power 11.5 bhp

Mileage 45 kmpl

Brakes / ABS No

Price in BD ৳133,000

Details

💎 Best Value

Roadmaster

Roadmaster Rex

Engine 80 cc

Power 6 bhp

Mileage 60 kmpl

Brakes / ABS N/A

Price in BD ৳70,900

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

POWER & HARDWARE #1

H Power RoxR (H Power RoxR)

The Performance Benchmark

Delivers class-leading punch with 11.5 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.

VALUE CHAMPION #2

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.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 11.5 Bhp

H Power RoxR (H Power RoxR) 11.5 bhp @ 8500 rpm

Roadmaster Rex (Roadmaster Rex) 6 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 11 Nm

H Power RoxR (H Power RoxR) 11 Nm @ 6500 rpm

Roadmaster Rex (Roadmaster Rex) 0 Nm

Claimed Top Speeds

120 km/h

H Power RoxR (H Power RoxR)

80 km/h

Roadmaster Rex (Roadmaster Rex)

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.

H Power

H Power RoxR (H Power RoxR)

7.8 / 10

Performance 9.5

Comfort 6.5

Tech & Features 7.4

Fuel Economy 8.6

Value for Money 7.2

Roadmaster

Roadmaster Rex (Roadmaster Rex)

8.3 / 10

Performance 7.8

Comfort 8.5

Tech & Features 6.8

Fuel Economy 9.5

Value for Money 8.8

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	H Power RoxR	Roadmaster Rex
Brand	H Power	Roadmaster
CC	150	80
Regular Price	133000	70900
Bike Type	Standard	Commuter
Distributor/Seller	Grameen Motors	Roadmaster Motors LTD
Model Year	N/A	N/A
Brand Origin	Bangladesh	N/A
Made In	China	N/A
Assemble In	Bangladesh	N/A
Launched Date	N/A	N/A

Engine 15

Engine Type	Single Cylinder, Air Cooled, Four Strokes	4 – Stroke Single Cylinder
Displacement	150	79
Maximum Power	11.5 Bhp @ 8500 RPM	6 Bhp @ 8000 RPM
Maximum Torque	11 NM @ 6500 RPM	0 NM @ 0 RPM
Bore	N/A	N/A
Stroke	N/A	N/A
Compression Ratio	N/A	N/A
Valves	2	N/A
Fuel Supply	Carburetor	Carburetor
No of Cylinders	1	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Kick & Electric
Engine Oil Grade	20W40	N/A
Engine Oil Capacity	1 L (Without Filter)	N/A
Best Lube For	Mobil Super Moto 20W40 4T	N/A

Transmission 4

Transmission Type	Manual	Manual
No of Gears	5	4
Clutch Type	Wet-multiplate	Wet multi-disc clutc
Drive Type	Chain Drive	N/A

Mileage & Top Speed 2

Mileage	45 Kmpl (Approx)	60 Kmpl (Approx)
Top Speed	120 Kmph (Approx)	80 Kmph (Approx)

Chassis & Suspension 3

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

Brakes 6

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

Wheels & Tyres 4

Front Tyre Size	3.00-17	2.50-17
Rear Tyre Size	3.50-17	2.75-17
Tyre Type	Tubeless	Tubetyre
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2030 mm	1940 mm
Overall Width	760 mm	800 mm
Height	1040 mm	1300 mm
Ground Clearance	200 mm	N/A
Weight	122 kg	88.8 Kg
Fuel Tank Capacity	18 Liters	9.5L
Wheelbase	1340 mm	1200 mm
Seat Height	780 mm	N/A

Electricals 5

Battery Type	MF	MF
Battery Voltage	12v	12v
Head Light	35W/35W Halogen	Halogen
Tail Light	Halogen	Halogen
Indicators	Halogen	Halogen

Features 8

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