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Side-by-Side Bike Comparison · September 2026

Bajaj CT 100 ES vs Keeway RK 125

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

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🌱 Top Economy

Bajaj

Bajaj CT 100 ES

Engine 100 cc

Power 7.6 bhp

Mileage 55 kmpl

Brakes / ABS NO

Price in BD ৳120,100

Details

⚡ Power Leader

Keeway

Keeway RK 125

Engine 125 cc

Power 10 bhp

Mileage 55 kmpl

Brakes / ABS no

Price in BD ৳109,500

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

ECONOMY SPECIALIST #1

Bajaj CT 100 ES ( Bajaj CT 100 ES)

The Economy Specialist

Lightest on fuel with an estimated 55 kmpl and manageable kerb weight (110 kg), minimizing your monthly running expenses.

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

POWER & HARDWARE #2

Keeway RK 125 (Keeway RK 125)

The Performance Benchmark

Delivers class-leading punch with 10 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: 10 Bhp

Bajaj CT 100 ES ( Bajaj CT 100 ES) 7.6 bhp @ 7500 rpm

Keeway RK 125 (Keeway RK 125) 10 bhp @ 8500 rpm

Peak Torque Delivery (Nm) Top: 9 Nm

Bajaj CT 100 ES ( Bajaj CT 100 ES) 8.24 Nm @ 5500 rpm

Keeway RK 125 (Keeway RK 125) 9 Nm @ 7500 rpm

Claimed Top Speeds

90 km/h

Bajaj CT 100 ES ( Bajaj CT 100 ES)

100 km/h

Keeway RK 125 (Keeway RK 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.

Bajaj

Bajaj CT 100 ES ( Bajaj CT 100 ES)

8.4 / 10

Performance 8.7

Comfort 8.5

Tech & Features 6.8

Fuel Economy 9.5

Value for Money 8.6

Keeway

Keeway RK 125 (Keeway RK 125)

8.3 / 10

Performance 9.5

Comfort 7

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	Bajaj CT 100 ES	Keeway RK 125
Brand	Bajaj	Keeway
CC	100	125
Regular Price	120100	109500
Bike Type	Commuter	Commuter
Distributor/Seller	Uttara Motors Limited	Aftab Automobiles Limited
Model Year	2018	N/A
Brand Origin	India	China
Made In	India	China
Assemble In	Bangladesh	Bangladesh
Launched Date	—	N/A

Engine 15

Engine Type	4 Stroke	N/A
Displacement	99.27	124
Maximum Power	7.6 Bhp @ 7500 RPM	10 Bhp @ 8500 RPM
Maximum Torque	8.24 NM @ 5500 RPM	9 NM @ 7500 RPM
Bore	47 mm	56.5 mm
Stroke	58.8 mm	49.5 mm
Compression Ratio	9.5:1	9:1
Valves	2	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	20W50	N/A
Engine Oil Capacity	900 ml (Without Filter)	N/A
Best Lube For	Mobil Super 4T 20W50	N/A

Transmission 4

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

Mileage & Top Speed 2

Mileage	55 Kmpl (Approx)	55 Kmpl (Approx)
Top Speed	90 Kmph (Approx)	100 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	Tubular single down tube	N/A
Front Suspension	Hydraulic teliscopic, 125 mm Travel. Without anti friction Bush	Telescopic Forks
Rear Suspension	SNS suspension, 100mm wheel travel	Telescopic coil spring oil damped

Brakes 6

Front Brake Type	Drum Brake	Single Disc
Rear Brake Type	Drum Brake	Drum Brake
Front Brake Diameter	110 mm	N/A
Rear Brake Diameter	110 mm	N/A
Anti-Lock Braking System (ABS)	NO	no
Braking System	Drum Brake	N/A

Wheels & Tyres 4

Front Tyre Size	2.75 X 17”, 41 P	2.75-18
Rear Tyre Size	3.00 X 17”, 50 P	3.00-18
Tyre Type	Tube tyre	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1945 mm	1980 mm
Overall Width	752 mm	785 mm
Height	1072 mm	1050 mm
Ground Clearance	160 mm	175 mm
Weight	110 Kg	116 kg
Fuel Tank Capacity	10.50 Litres	12.3 L
Wheelbase	1235 mm	1245 mm
Seat Height	804 mm	N/A

Electricals 5

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

Features 8

Speedometer	Analog	Info-Not-Available
Odometer	Analog	Info-Not-Available
RPM Meter	N/A	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	N/A	Yes
Additional Feature	N/A	N/A