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Side-by-Side Bike Comparison · September 2026

Roadmaster Velocity 125 vs Runner F100-6A

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

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⚡ Power Leader

Roadmaster

Roadmaster Velocity 125

Engine 125 cc

Power 7.4 bhp

Mileage 45 kmpl

Brakes / ABS No

Price in BD ৳107,900

Details

💎 Best Value

RUNNER

Runner F100-6A

Engine 100 cc

Power 6.97 bhp

Mileage 55 kmpl

Brakes / ABS No

Price in BD ৳95,000

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

POWER & HARDWARE #1

Roadmaster Velocity 125 (Roadmaster Velocity 125)

The Performance Benchmark

Delivers class-leading punch with 7.4 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

Runner F100-6A (Runner F100-6A)

The Value Argument

Maximizes features per taka spent at ৳95,000. 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: 7.4 Bhp

Roadmaster Velocity 125 (Roadmaster Velocity 125) 7.4 bhp @ 7500 rpm

Runner F100-6A (Runner F100-6A) 6.97 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 9.4 Nm

Roadmaster Velocity 125 (Roadmaster Velocity 125) 9.4 Nm @ 5500 rpm

Runner F100-6A (Runner F100-6A) 6.5 Nm @ 6500 rpm

Claimed Top Speeds

110 km/h

Roadmaster Velocity 125 (Roadmaster Velocity 125)

80 km/h

Runner F100-6A (Runner F100-6A)

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 Velocity 125 (Roadmaster Velocity 125)

8.1 / 10

Performance 9.5

Comfort 6.7

Tech & Features 6.8

Fuel Economy 8.9

Value for Money 8.6

RUNNER

Runner F100-6A (Runner F100-6A)

8.3 / 10

Performance 9.3

Comfort 6.7

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.8

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Roadmaster Velocity 125	Runner F100-6A
Brand	Roadmaster	Runner
CC	125	100
Regular Price	107900	95000
Bike Type	Commuter	Commuter
Distributor/Seller	Roadmaster Motors LTD	Runner Automobiles LTD (Bangladesh)
Model Year	N/A	N/A
Brand Origin	N/A	Bangladesh
Made In	N/A	Bangladesh
Assemble In	N/A	Bangladesh
Launched Date	N/A	N/A

Engine 15

Engine Type	4 – Stroke Single Cylinder	4‑Stroke, Single Cylinder, Air Cooled Petrol
Displacement	125	95.74
Maximum Power	7.4 Bhp @ 7500 RPM	6.97 Bhp @ 8000 RPM
Maximum Torque	9.4 NM @ 5500 RPM	6.5 NM @ 6500 RPM
Bore	N/A	49.7mm
Stroke	N/A	49.35mm
Compression Ratio	N/A	8.8 : 1
Valves	N/A	2
Fuel Supply	Carburetor	Carburetor
No of Cylinders	N/A	1
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Kick & Electric	Kick & Electric
Engine Oil Grade	N/A	20W50
Engine Oil Capacity	N/A	900 ml (Without Filter)
Best Lube For	N/A	Mobil Super 4T 20W50

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	45 Kmpl (Approx)	55 Kmpl (Approx)
Top Speed	110 Kmph (Approx)	80 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	Backbone
Front Suspension	Telescopic type Front Shock Absorber	Hydraulic Telescopic
Rear Suspension	Nitrox gas suspension	Coil spring Hydraulic

Brakes 6

Front Brake Type	Single Disc	Drum Brake
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)	No	No
Braking System	N/A	Drum Brake

Wheels & Tyres 4

Front Tyre Size	2.75-18	2.50-18
Rear Tyre Size	3.25/18	2.75-18
Tyre Type	Tubeless	Tubetyre
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1925 mm	1950 mm
Overall Width	750 mm	770 mm
Height	1075 mm	1250 mm
Ground Clearance	155 mm	150 mm
Weight	120 Kg	96.2 Kg
Fuel Tank Capacity	14 L	13 Liters
Wheelbase	1300 mm	1,250 mm
Seat Height	N/A	N/A

Electricals 5

Battery Type	MF	MF
Battery Voltage	12V, 6.5Ah	12V, 6.5Ah
Head Light	12V 14W/14W Halogen	35W/35W Halogen
Tail Light	Halogen	Halogen
Indicators	Halogen	Halogen

Features 8

Speedometer	Info-Not-Available	Digital
Odometer	Info-Not-Available	Analog
RPM Meter	Info-Not-Available	Analog
Handle Type	Pipe handle bar	Pipe handle bar
Seat Type	Single-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	Info-Not-Available	No
Additional Feature	N/A	N/A