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Side-by-Side Bike Comparison · September 2026

Keeway RKS 100 vs Roadmaster Velocity

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

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🌱 Top Economy

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

Engine 100 cc

Power 8.4 bhp

Mileage 50 kmpl

Brakes / ABS No

Price in BD ৳94,900

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

ECONOMY SPECIALIST #1

Keeway RKS 100 (Keeway RKS 100)

The Economy Specialist

Lightest on fuel with an estimated 60 kmpl and manageable kerb weight (125 kg), minimizing your monthly running expenses.

Best for: High-mileage daily city commuters and courier riders.

POWER & HARDWARE #2

Roadmaster Velocity (Roadmaster Velocity)

The Performance Benchmark

Delivers class-leading punch with 8.4 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: 8.4 Bhp

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

Roadmaster Velocity (Roadmaster Velocity) 8.4 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 7.6 Nm

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

Roadmaster Velocity (Roadmaster Velocity) 7.5 Nm @ 5000 rpm

Claimed Top Speeds

110 km/h

Keeway RKS 100 (Keeway RKS 100)

90 km/h

Roadmaster Velocity (Roadmaster Velocity)

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)

8.5 / 10

Performance 9

Comfort 7.9

Tech & Features 7.4

Fuel Economy 9.5

Value for Money 8.7

Roadmaster

Roadmaster Velocity (Roadmaster Velocity)

8.2 / 10

Performance 9.5

Comfort 6.6

Tech & Features 7.4

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 100	Roadmaster Velocity
Brand	Keeway	Roadmaster
CC	100	100
Regular Price	99900	94900
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	99.71
Maximum Power	7.3 Bhp @ 7500 RPM	8.4 Bhp @ 8000 RPM
Maximum Torque	7.6 NM @ 5500 RPM	7.5 NM @ 5000 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	1
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)	50 Kmpl (Approx)
Top Speed	110 Kmph (Approx)	90 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Bassinet type	N/A
Front Suspension	Telescopic Forks	Hydraulic damped, Telescopic
Rear Suspension	Telescopic coil spring oil damped	Mechanical Spring

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	Tubetyre
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	2040 mm	2090 mm
Overall Width	760 mm	840 mm
Height	1050 mm	1270 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 35/35W (Halogen)
Tail Light	Halogen	Halogen
Indicators	Halogen	Halogen

Features 8

Speedometer	Digital	Digital
Odometer	Digital	Digital
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	Yes
Additional Feature	N/A	N/A