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Side-by-Side Bike Comparison · September 2026

Keeway RKS 125 vs Roadmaster Velocity 125

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

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⚡ Power Leader

Keeway

Keeway RKS 125

Engine 125 cc

Power 11.1 bhp

Mileage 55 kmpl

Brakes / ABS No

Price in BD ৳118,500

Details

💎 Best Value

Roadmaster

Roadmaster Velocity 125

Engine 125 cc

Power 7.4 bhp

Mileage 45 kmpl

Brakes / ABS No

Price in BD ৳107,900

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

POWER & HARDWARE #1

Keeway RKS 125 (Keeway RKS 125)

The Performance Benchmark

Delivers class-leading punch with 11.1 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 Velocity 125 (Roadmaster Velocity 125)

The Value Argument

Maximizes features per taka spent at ৳107,900. 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: 11.1 Bhp

Keeway RKS 125 (Keeway RKS 125) 11.1 bhp @ 8500 rpm

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

Peak Torque Delivery (Nm) Top: 10 Nm

Keeway RKS 125 (Keeway RKS 125) 10 Nm @ 7000 rpm

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

Claimed Top Speeds

100 km/h

Keeway RKS 125 (Keeway RKS 125)

110 km/h

Roadmaster Velocity 125 (Roadmaster Velocity 125)

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.

Keeway

Keeway RKS 125 (Keeway RKS 125)

8.7 / 10

Performance 9.5

Comfort 8.5

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.6

Roadmaster

Roadmaster Velocity 125 (Roadmaster Velocity 125)

7.9 / 10

Performance 8.3

Comfort 6.7

Tech & Features 6.8

Fuel Economy 8.9

Value for Money 8.8

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Keeway RKS 125	Roadmaster Velocity 125
Brand	Keeway	Roadmaster
CC	125	125
Regular Price	118500	107900
Bike Type	Commuter	Commuter
Distributor/Seller	Aftab Automobiles Limited	Roadmaster Motors LTD
Model Year	N/A	N/A
Brand Origin	China	N/A
Made In	China	N/A
Assemble In	Bangladesh	N/A
Launched Date	N/A	N/A

Engine 15

Engine Type	4 – Stroke Single Cylinder	4 – Stroke Single Cylinder
Displacement	124	125
Maximum Power	11.1 Bhp @ 8500 RPM	7.4 Bhp @ 7500 RPM
Maximum Torque	10 NM @ 7000 RPM	9.4 NM @ 5500 RPM
Bore	57 mm	N/A
Stroke	48.8 mm	N/A
Compression Ratio	10.6:1	N/A
Valves	N/A	N/A
Fuel Supply	Carburetor	Carburetor
No of Cylinders	1	N/A
Engine Cooling	Air Cooled	Air Cooled
Starting Method	Electric	Kick & Electric
Engine Oil Grade	N/A	N/A
Engine Oil Capacity	N/A	N/A
Best Lube For	N/A	N/A

Transmission 4

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

Mileage & Top Speed 2

Mileage	55 Kmpl (Approx)	45 Kmpl (Approx)
Top Speed	100 Kmph (Approx)	110 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Arch bar truck	N/A
Front Suspension	Telescopic Forks	Telescopic type Front Shock Absorber
Rear Suspension	Telescopic coil spring oil damped	Nitrox gas suspension

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)	No	No
Braking System	N/A	N/A

Wheels & Tyres 4

Front Tyre Size	90/90-17	2.75-18
Rear Tyre Size	120/80-17	3.25/18
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2090 mm	1925 mm
Overall Width	790 mm	750 mm
Height	1090 mm	1075 mm
Ground Clearance	180 mm	155 mm
Weight	125 Kg	120 Kg
Fuel Tank Capacity	16 L	14 L
Wheelbase	1350 mm	1300 mm
Seat Height	N/A	N/A

Electricals 5

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

Features 8

Speedometer	Digital	Info-Not-Available
Odometer	Digital	Info-Not-Available
RPM Meter	Digital	Info-Not-Available
Handle Type	Pipe handle bar	Pipe handle bar
Seat Type	Single-Seat	Single-Seat
Passenger Grab Rail	Yes	Yes
Engine Kill Switch	Yes	Info-Not-Available
Additional Feature	N/A	N/A