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Side-by-Side Bike Comparison · September 2026

QJ Motor Monster SRK 180 vs Speeder Big Monster 165 FI

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

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⚡ Power Leader

QJ Motor

QJ Motor Monster SRK 180

Engine 180 cc

Power 18.2 bhp

Mileage 35 kmpl

Brakes / ABS Dual-ch. ABS

Price in BD ৳259,999

Details

💎 Best Value

Speeder

Speeder Big Monster 165 FI

Engine 160 cc

Power 15.3 bhp

Mileage 40 kmpl

Brakes / ABS No

Price in BD ৳179,500

Details

01 / Bottom-Line Takeaway

Quick Verdict

Editorial Positioning

POWER & HARDWARE #1

QJ Motor Monster SRK 180 (QJ Motor Monster SRK 180)

The Performance Benchmark

Delivers class-leading punch with 18.2 bhp and sharp throttle response. Backed by Dual-ch. ABS for riders demanding confidence in high-speed and emergency scenarios.

Best for: Highway tours, enthusiast riding, emergency brake safety.

VALUE CHAMPION #2

Speeder Big Monster 165 FI (Speeder Big Monster 165 FI)

The Value Argument

Maximizes features per taka spent at ৳179,500. 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: 18.2 Bhp

QJ Motor Monster SRK 180 (QJ Motor Monster SRK 180) 18.2 bhp @ 9500 rpm

Speeder Big Monster 165 FI (Speeder Big Monster 165 FI) 15.3 bhp @ 8000 rpm

Peak Torque Delivery (Nm) Top: 15.2 Nm

QJ Motor Monster SRK 180 (QJ Motor Monster SRK 180) 15.2 Nm @ 6000 rpm

Speeder Big Monster 165 FI (Speeder Big Monster 165 FI) 14.6 Nm @ 6000 rpm

Claimed Top Speeds

140 km/h

QJ Motor Monster SRK 180 (QJ Motor Monster SRK 180)

120 km/h

Speeder Big Monster 165 FI (Speeder Big Monster 165 FI)

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.

QJ Motor

QJ Motor Monster SRK 180 (QJ Motor Monster SRK 180)

8.9 / 10

Performance 9.5

Comfort 8.3

Tech & Features 9.4

Fuel Economy 9.1

Value for Money 8

Speeder

Speeder Big Monster 165 FI (Speeder Big Monster 165 FI)

8.6 / 10

Performance 8.9

Comfort 8.4

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	QJ Motor Monster SRK 180	Speeder Big Monster 165 FI
Brand	QJ Motor	Speeder
CC	180	160
Regular Price	259999	179500
Bike Type	Naked Sports	Naked Sports
Distributor/Seller	Speedoz Limited	—
Model Year	2025	N/A
Brand Origin	China	N/A
Made In	China	N/A
Assemble In	Bangladesh	N/A
Launched Date	2025-05-01	N/A

Engine 15

Engine Type	4 Stroke, SOHC 4 Valve, liquid Cooled	Single cylinder, 4 stroke, Oil-Cooled
Displacement	174.6	163
Maximum Power	18.2 Bhp @ 9500 RPM	15.3 Bhp @ 8000 RPM
Maximum Torque	15.2 NM @ 6000 RPM	14.6 NM @ 6000 RPM
Bore	64.0 mm	N/A
Stroke	55.9 mm	N/A
Compression Ratio	N/A	N/A
Valves	2	N/A
Fuel Supply	EFI	EFI
No of Cylinders	1	1
Engine Cooling	Liquid Cooled	Liquid Cooled
Starting Method	Electric	Electric
Engine Oil Grade	10W40	10W40
Engine Oil Capacity	1 L (Without Filter)	1 L (Without Filter)
Best Lube For	Mobil Racing 4T 10W40	Mobil Racing 4T 10W40

Transmission 4

Transmission Type	Manual	Manual
No of Gears	6	6
Clutch Type	Info Not Available	Wet-multiplate
Drive Type	Chain Drive	Chain Drive

Mileage & Top Speed 2

Mileage	35 Kmpl (Approx)	40 Kmpl (Approx)
Top Speed	140 Kmph (Approx)	120 Kmph (Approx)

Chassis & Suspension 3

Chassis Type	N/A	N/A
Front Suspension	Telescopic Upside-Down	Telescopic USD
Rear Suspension	7 Step Adjustable Monoshock	Monoshock

Brakes 6

Front Brake Type	Disc Brake	Single Disc
Rear Brake Type	Disc Brake	Disc Brake
Front Brake Diameter	260 mm	N/A
Rear Brake Diameter	220 mm	N/A
Anti-Lock Braking System (ABS)	Dual Channel ABS	No
Braking System	Dual Channel ABS	Double Disc

Wheels & Tyres 4

Front Tyre Size	100/80-17	110/70-17
Rear Tyre Size	130/70-17	130/70-17
Tyre Type	Tubeless	Tubeless
Wheel Type	Alloy	Alloy

Dimensions 8

Overall Length	1970 Mm	1980 mm
Overall Width	785 Mm	830 mm
Height	1070 Mm	1120 mm
Ground Clearance	190 Mm	180 mm
Weight	145 Kg	135 Kg
Fuel Tank Capacity	10 L	12 Liters
Wheelbase	1345 Mm	1350 mm
Seat Height	790 Mm	N/A

Electricals 5

Battery Type	MF	MF
Battery Voltage	12v	12V 7Ah
Head Light	LED	LED
Tail Light	LED	LED
Indicators	LED	LED

Features 8

Speedometer	Digital	Digital
Odometer	Analog	Digital
RPM Meter	Digital	Digital
Handle Type	Pipe handle bar	Three part handle bar
Seat Type	Single-Seat	Split-Seat
Passenger Grab Rail	Yes	No
Engine Kill Switch	N/A	Yes
Additional Feature	N/A	N/A