Trek Marlin+ 8
Pedal-assist, rated to 250W, assist cuts at 25 km/h. Declared by the brand; declaration not independently sighted.
Trek Marlin+ 8 (2026) at a glance
The Trek Marlin+ 8 is a trail emtb e-bike sold in Australia at $3,799.99 (price checked 28 Sep 2026). It pairs a Bosch mid drive motor with 50Nm of torque, a 400Wh battery, 29in (XS and S sizes use 27.5in) wheels, and weighs 21.9kg. It is listed as a 250W pedal-assist e-bike limited to 25 km/h for Australian roads.
Is it for you?
We have not ridden this bike. This read is based on the spec sheet and Australian seller information, not a test ride.
Best suited to
Riders who want the cheapest way into an electric hardtail mountain bike from a major brand.
Standout strength
Trek's most affordable e-MTB, built around a proven Bosch mid drive rather than a budget hub motor.
The main compromise
120 mm of front suspension and a 400 Wh battery are modest next to Trek's own Rail+ and Slash+ trail and enduro bikes.
Full specification
Drive and power
Frame and ride
Australian compliance
Pedal-assist, rated to 250W, assist cuts at 25 km/h. Declared by the brand; declaration not independently sighted.
Marlin+ 8 vs Rail 9.9 XX1 AXS Gen 4
| Trek Marlin+ 8 | Trek Rail 9.9 XX1 AXS Gen 4 | |
|---|---|---|
| Model year | 2026 | 2023 |
| Price | $3,799.99 | $9,599.99 |
| Motor | Bosch, mid drive | Bosch Performance Line CX, mid drive |
| Torque | 50 Nm | 85 Nm |
| Battery | 400 Wh | 750 Wh |
| Claimed range | TBC | TBC |
| Weight | 21.9 kg | 23.6 kg |
| Frame | hardtail | OCLV Mountain Carbon, 160mm front / 150mm rear full suspension |
| Wheels | 29in (XS and S sizes use 27.5in) | 29 inch |
| Category | Trail eMTB | Trail eMTB |
| Availability | Out of stock | Check local dealer |
Choose the Marlin+ 8 if
it costs $5,800 less; it is 1.7 kg lighter to lift onto a rack, train or stairs.
Choose the Rail 9.9 XX1 AXS Gen 4 if
its battery is 350 Wh bigger, so you charge less often on long rides; it has 35 Nm more torque for steep hills and heavy loads.
Trek
Trek is one of the world's largest bike brands. Its Australian e-bike lineup spans the commuter-focused Verve+ and the performance Allant+, backed by a dense dealer network and strong after-sales support.
Compare similar e-bikes
Common questions
How much does the Trek Marlin+ 8 cost in Australia?
The Trek Marlin+ 8 is listed at $3,799.99 (Trek Australia RRP; sale price shown on Trek's Australian site.). eBikeFinder checks pricing against manufacturer and distributor information, and prices can change with sales and stock. This price was last checked on 28 Sep 2026.
Is the Trek Marlin+ 8 road legal in Australia?
Yes. The Trek Marlin+ 8 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. Compliance is asserted by the brand rather than independently verified, so confirm the current spec with the seller.
What motor does the Trek Marlin+ 8 have?
The Trek Marlin+ 8 uses a Bosch motor, in a mid-drive position, producing 50Nm of torque. Mid-drive motors climb hills better because they work through the bike's gears.
How much does the Trek Marlin+ 8 weigh?
The Trek Marlin+ 8 weighs about 21.9 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 Trek Marlin+ 8 in Australia?
The Trek range is distributed in Australia by Trek Bicycle Australia (Trek Concept Stores and authorised dealers). It comes with a Lifetime frame, 2 years motor and battery warranty. Buying from a brand with real Australian support matters most when something needs a warranty claim or a service.