Tern NBD S5i low step e-bike in red, side profile on white background
CommuterElectricIn stock
Tern

NBD S5i

$6,595

ride-away. Checked 2026-10-09.

Brand states it meets the Australian rules (EN 15194)

MotorBosch Performance Line, mid drive
Torque65 Nm
Battery500 Wh
Claimed range51 to 118 km
Weight23.4 kg
Assist to25 km/h

Specifications

Category
Commuter
Motor
Bosch Performance Line, mid drive
Rated power
250 W
Torque
65 Nm
Battery
500 Wh
Claimed range
51 to 118 km
Throttle
No
Drivetrain
Shimano Nexus 5-speed internal hub, Gates belt
Brakes
Magura MT4 hydraulic disc
Frame
Aluminium ultra low step-through
Wheel size
20-inch
Weight
23.4 kg
Rider height
147 to 190 cm
Availability
In stock
Warranty
2 years frame, 2 years motor and battery
Australian distributor
99 Bikes and independent dealers

Range figures are the brand's claims; real range depends on assist level, terrain, rider weight and temperature. In Australia a road-legal e-bike is limited to 250 W and 25 km/h of assistance. Confirm details with the seller before you buy.

Will it fit you?

The Tern NBD S5i suits riders from about 147 to 190 cm. See the size guide for how to choose between sizes.

Range tests, reviews and owner guides

Our sister site eBikeFinder covers this bike in depth, including Australian road rules, charging and range. Read the Tern NBD S5i guide on eBikeFinder.

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