Siskiu T7E
Pedal-assist, rated to 250W, assist cuts at 25 km/h. We have sighted the EN 15194 declaration for this model.
Is it for you?
Best suited to
Mountain bikers e-curious for under $4,000. The Siskiu T7E is the cheapest credible mid-drive eMTB sold through an authorised Australian dealer.
Standout strength
Shimano EP6 motor with proper Shimano service network through 99 Bikes. Spare parts are not a six-week order.
The main compromise
504Wh battery is small for serious trail riding. Plan for sub-50 km in challenging terrain.
Full specification
Drive and power
Frame and ride
Australian compliance
Pedal-assist, rated to 250W, assist cuts at 25 km/h. We have sighted the EN 15194 declaration for this model.
How you would ride it
Polygon
Polygon's Indonesian eMTB range is the cheapest credible Shimano-mid-drive ladder in Australia, sold through the 99 Bikes network. The Siskiu T7E is the entry trail bike that the e-bike-curious mountain biker actually buys.
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Common questions
How much does the Polygon Siskiu T7E cost in Australia?
The Polygon Siskiu T7E is listed at $5,299.99 (from $5,299.99 at BikesOnline; $6,599.99 Polygon direct). eBikeFinder checks pricing against manufacturer and distributor information, and prices can change with sales and stock. This price was last checked on 2026-08-30.
Is the Polygon Siskiu T7E road legal in Australia?
Yes. The Polygon Siskiu T7E is a 250W pedal-assist e-bike that stops assisting at 25 km/h, which meets the road-legal e-bike standard in every Australian state.
What motor does the Polygon Siskiu T7E have?
The Polygon Siskiu T7E uses a Shimano EP6 motor, in a mid-drive position, producing 85Nm of torque. Mid-drive motors climb hills better because they work through the bike's gears.
How much does the Polygon Siskiu T7E weigh?
The Polygon Siskiu T7E weighs about 24.8 kg. That matters if you need to lift it onto a car rack, carry it up stairs, or store it, since e-bikes are heavier than regular bikes because of the motor and battery.
Who sells and backs the Polygon Siskiu T7E in Australia?
The Polygon range is distributed in Australia by Polygon Bikes Australia / 99 Bikes. It comes with a 2 years frame, lifetime fork on select models warranty. Buying from a brand with real Australian support matters most when something needs a warranty claim or a service.