Product comparison · 2 electric bicycles

Nilox J4 Black Aluminium vs Sharp BK-UM03-EB Black Aluminium

23specifications compared
11differ
12identical
48known for one product only

Key differences

The Sharp BK-UM03-EB Black Aluminium has 35 km more autonomy (max) than the Nilox J4 Black Aluminium (80 km vs 45 km). The Nilox J4 Black Aluminium has 1 more speeds than the Sharp BK-UM03-EB Black Aluminium (7 vs 6). The Sharp BK-UM03-EB Black Aluminium has 316.8 Wh more battery capacity than the Nilox J4 Black Aluminium (604.8 Wh vs 288 Wh). Only the Nilox J4 Black Aluminium has adjustable seat height. Only the Nilox J4 Black Aluminium has foldable.

Autonomy (max)
- J4 Black Aluminium:45 km
- BK-UM03-EB Black Aluminium:80 km
Adjustable seat height
- J4 Black Aluminium:Yes
- BK-UM03-EB Black Aluminium:No
Number of speeds
- J4 Black Aluminium:7
- BK-UM03-EB Black Aluminium:6
Front brake system
- J4 Black Aluminium:Disc
- BK-UM03-EB Black Aluminium:Hydraulic disc
Rear brake system
- J4 Black Aluminium:Disc brake
- BK-UM03-EB Black Aluminium:Hydraulic disc
Luggage rack
- J4 Black Aluminium:Rear
- BK-UM03-EB Black Aluminium:Front
Foldable
- J4 Black Aluminium:Yes
- BK-UM03-EB Black Aluminium:No
Battery capacity
- J4 Black Aluminium:288 Wh
- BK-UM03-EB Black Aluminium:604.8 Wh

Side by side

Differences highlightedShow differences only

Comparison of J4, BK-UM03-EB
71 specifications	A Nilox J4 Black Aluminium Model J4 View product	B Sharp BK-UM03-EB Black Aluminium Model BK-UM03-EB View product
Technical details7 differ
TypeKnown for one	Unknown — not stated by the source	Fatbike
Product colour	Black	Black
Wheel size (imperial)	50.8 cm (20")	50.8 cm (20")
Motor power	250 W	250 W
Maximum speed (pedal assist mode)Known for one	Unknown — not stated by the source	25 km/h
Torque (max)Known for one	Unknown — not stated by the source	58 N⋅m
Autonomy (max)Differs	45 km	80 km
Adjustable seat heightDiffers	Yes	No
Number of speedsDiffers	7	6
Brake system	Disc	Disc
Bicycle brake control	Handbrake	Handbrake
Front brake systemDiffers	Disc	Hydraulic disc
Rear brake systemDiffers	Disc brake	Hydraulic disc
Anti-theft functionKnown for one	Unknown — not stated by the source	No
Gearing typeKnown for one	Unknown — not stated by the source	Chain
Number of gearsKnown for one	Unknown — not stated by the source	6
Luggage rackDiffers	Rear	Front
Smartphone holderKnown for one	Unknown — not stated by the source	No
Boost modeKnown for one	Unknown — not stated by the source	No
HornKnown for one	Unknown — not stated by the source	No
Adjustable stemKnown for one	Unknown — not stated by the source	No
Audible alarm(s)Known for one	Unknown — not stated by the source	No
Bicycle suspension	Front fork	Front fork
Built-in light	Yes	Yes
Compliance certificatesKnown for one	Unknown — not stated by the source	CE
Dangerous goodsKnown for one	Unknown — not stated by the source	No
Drivers license requiredKnown for one	Unknown — not stated by the source	No
FoldableDiffers	Yes	No
HeadlightsKnown for one	Unknown — not stated by the source	Yes
Tail lightKnown for one	Unknown — not stated by the source	Yes
Short circuit protectionKnown for one	Unknown — not stated by the source	No
Overheat protectionKnown for one	Unknown — not stated by the source	No
Built-in display	Yes	Yes
Display type	LCD	LCD
Lamp power source	Battery	Battery
Lamp type	LED	LED
USB charging portKnown for one	Unknown — not stated by the source	No
BluetoothKnown for one	Unknown — not stated by the source	No
CertificationKnown for one	Unknown — not stated by the source	CE
Maximum speed (e-bike mode)Known for one	25 km/h	Unknown — not stated by the source
Motor typeKnown for one	Brushless	Unknown — not stated by the source
Battery4 differ
Battery capacityDiffers	288 Wh	604.8 Wh
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Distance per battery charge (pedal assist mode)Differs	45 km	80 km
Battery weightKnown for one	Unknown — not stated by the source	3.613 g
Battery voltageDiffers	36 V	48 V
Charging timeDiffers	4 h	6 h
Removable batteryKnown for one	Unknown — not stated by the source	Yes
Featuresidentical
Frame material	Aluminium	Aluminium
Handlebar materialKnown for one	Unknown — not stated by the source	Aluminium
Stem materialKnown for one	Unknown — not stated by the source	Aluminium
Front fork materialKnown for one	Unknown — not stated by the source	Aluminium
Wheel rim materialKnown for one	Unknown — not stated by the source	Aluminium
KickstandKnown for one	Unknown — not stated by the source	No
Wheel reflectorKnown for one	Unknown — not stated by the source	No
Rear derailleur nameKnown for one	Unknown — not stated by the source	Shimano
Bicycle fork nameKnown for one	Unknown — not stated by the source	Front/Rear suspension
Chain nameKnown for one	Unknown — not stated by the source	Chain
Front tire nameKnown for one	Unknown — not stated by the source	20" x 4.0"
Motor nameKnown for one	Unknown — not stated by the source	250W Motor
Rear tire nameKnown for one	Unknown — not stated by the source	20" x 4.0"
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	2000 mm
Package depthKnown for one	Unknown — not stated by the source	1240 mm
Package heightKnown for one	Unknown — not stated by the source	250 mm
Package weightKnown for one	Unknown — not stated by the source	49 g
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Assembly tools includedKnown for one	Unknown — not stated by the source	No
Assembly instructionsKnown for one	Unknown — not stated by the source	Yes
Battery includedKnown for one	Unknown — not stated by the source	Yes
Battery charger includedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
Weight (including battery)Known for one	24 kg	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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