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Side-by-Side Bike Comparison · September 2026

Keeway RKS 100 vs Roadmaster Velocity 125

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

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💎 Best Value

Keeway

Keeway RKS 100

Engine 100 cc

Power 7.3 bhp

Mileage 60 kmpl

Brakes / ABS No

Price in BD ৳99,900

Details

⚡ 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

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

VALUE CHAMPION #1

Keeway RKS 100 (Keeway RKS 100)

The Value Argument

Maximizes features per taka spent at ৳99,900. 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

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.

02 / Engine Output Benchmarks

The Dyno Room

Peak Bhp & Torque Scaled

Peak Power Output (Bhp) Top: 7.4 Bhp

Keeway RKS 100 (Keeway RKS 100) 7.3 bhp @ 7500 rpm

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

Peak Torque Delivery (Nm) Top: 9.4 Nm

Keeway RKS 100 (Keeway RKS 100) 7.6 Nm @ 5500 rpm

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

Claimed Top Speeds

110 km/h

Keeway RKS 100 (Keeway RKS 100)

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 100 (Keeway RKS 100)

8.6 / 10

Performance 9.5

Comfort 7.9

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.8

Roadmaster

Roadmaster Velocity 125 (Roadmaster Velocity 125)

8.1 / 10

Performance 9.5

Comfort 6.7

Tech & Features 6.8

Fuel Economy 8.6

Value for Money 8.7

06 / Full Technical Comparison

Specification Sheet

Show Differences Only

Bike Information 11

Bike Name	Keeway RKS 100	Roadmaster Velocity 125
Brand	Keeway	Roadmaster
CC	100	125
Regular Price	99900	107900
Bike Type	Commuter	Commuter
Distributor/Seller	Aftab Automobiles Limited	Roadmaster Motors LTD
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	4 – Stroke Single Cylinder
Displacement	99.7	125
Maximum Power	7.3 Bhp @ 7500 RPM	7.4 Bhp @ 7500 RPM
Maximum Torque	7.6 NM @ 5500 RPM	9.4 NM @ 5500 RPM
Bore	50 mm	N/A
Stroke	50.8 mm	N/A
Compression Ratio	9.5:1	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	Kick & 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	4	4
Clutch Type	Wet-multiplate	Wet multi-disc clutc
Drive Type	N/A	N/A

Mileage & Top Speed 2

Mileage	60 Kmpl (Approx)	45 Kmpl (Approx)
Top Speed	110 Kmph (Approx)	110 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Bassinet type	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	110/80-17	3.25/18
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2040 mm	1925 mm
Overall Width	760 mm	750 mm
Height	1050 mm	1075 mm
Ground Clearance	185 mm	155 mm
Weight	125 Kg	120 Kg
Fuel Tank Capacity	16 L	14 L
Wheelbase	1260 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