★★★★★
I've had my kit for over a year and use it for my 15km daily commute. It's been rock solid with no issues at all.
Free shipping on orders over $99 AUD
Australia's mid-drive specialists
Your bike.
Electric.
From $625.
The TAV MD250 mid-drive conversion kit turns almost any bike into a road-legal Australian e-bike. 250W, 80Nm, IP65. Designed in Adelaide. No registration needed.
250W
Rated power
80Nm
Peak torque
IP65
Waterproof
AU
Road legal
Australian road legalSave $225
TAV Systems - MD250 Series
Mid-Drive eBike Conversion Kit
$625 AUD$850Save $225
Add to Cart
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Trusted by Australian institutions and industry
Flinders University
Research and founding partner
Adelaide, SA
UNSW Sydney
University partner
Sydney, NSW
Government of South Australia
Government partner
State of SA
Industry partner
Fleet and commercial
Why TAV
Built different.
Most eBike kits are grey-market imports with no local support. TAV is an Australian company - we designed this motor for Australian roads, Australian riders, and Australian Consumer Law.
80Nm
Peak torque
More than most 750W hub motors. Enough for hills, cargo, and everything in between.
250W
Road-legal rated power
Meets AU standards. No rego. No licence required.
AS/NZS compliant
IP65
Jet-wash waterproof
Rain. Puddles. Hose it down.
📍
Adelaide,
SA
SA
Australian company. Local warehouse. Real support team.
ABN 69 644 753 239
2–4 hrs
DIY install time
PDF + video guide included in box.
💻
3.5″ Colour LCD Display
Speed, distance, battery, assist mode. Readable in full Australian sunshine. Included as standard.
Everything included
Motor · Display · Levers · Throttle · Cranks · Sensor · Chainwheel · Cables · Tool. Just add a 36V battery.
12 components
12 mo
Warranty
Australian Consumer Law backed.
Simple process
From any bike to e-bike.
No welding. No permanent modifications. Bolt on and ride.
01
Check your bike fits
Most bikes with a 68-73mm threaded bottom bracket are compatible. Not sure? Contact us before ordering - we confirm fitment free of charge.
02
Order the kit and a 36V battery
The kit ships from Adelaide. Pick up a 36V battery locally or ask us for recommendations - we will point you to the right one for your range needs.
03
Install in 2-4 hours
Follow the step-by-step PDF or YouTube walkthrough. Everything you need is in the box, including the lock-nut tool. Most people nail it first time.
04
Ride. Legally. Anywhere.
25 km/h pedal assist. 250W rated. No registration, no licence. Road legal in all 8 Australian states and territories. Helmet on and you are done.
In development
Coming soon
SCRAMBIKE
TAV's first complete electric bike. Built for the rider who wants more than a conversion - a purpose-built machine from the ground up.
80Nm
Peak torque
250W
Rated power
IP65
Waterproof
Customer reviews
What Australian riders say.
47
verified Australian buyers - 5.0 average rating - riders from every state
★★★★★
I recently converted a recumbent trike with TAV's motor and the install was super easy. The team helped me find the right battery too.
★★★★★
It feels great and cycling to the office and back is so easy now. The motor is quiet and the display is really clear in sunlight.
Real installs
See it on real bikes.
Every photo is a genuine customer or team install. Your bike could be next.
Hardtail MTB
Adelaide, SA - Daily commute
MD250 Kit installed
Motor detail
Recumbent trike
Melbourne, VIC
Cargo and specialty bike
McLaren Vale, SA
City commuter
Daily use
Have a TAV kit on your bike?
Legal in Australia
Road legal in all 8 states.
The TAV MD250 runs at 250W rated power and 25 km/h pedal assist. No registration. No licence.
Under Australian Road Rules, a power-assisted bicycle with a motor rated at or below 250W and limited to 25 km/h is classified as a bicycle - not a motor vehicle. The MD250 meets this definition in all states and territories.
State / Territory
250W · 25 km/h
Helmet
New South WalesRoad legal ✓Required
VictoriaRoad legal ✓Required
QueenslandRoad legal ✓Required
South AustraliaRoad legal ✓Required
Western AustraliaRoad legal ✓Required
TasmaniaRoad legal ✓Required
ACTRoad legal ✓Required
Northern TerritoryRoad legal ✓Required
For industry
Dealers, builders and retailers.
We are actively seeking Australian cycling retailers, bike builders and e-mobility operators to partner with. Wholesale pricing, technical support, and co-branded installation programs available.
Bike Retailers
Stock and sell TAV kits in your store
Builders
Source motors for custom e-bike builds
Fleet Operators
Electrify delivery and mobility fleets
From the blog
News, guides and riding tips.
Everything you need to know about eBikes in Australia - from installation guides to road rules.
Road rules
Is your eBike kit legal in Australia? A state-by-state guide
Understanding the 250W and 25 km/h rules - and what they mean for your commute in NSW, VIC, QLD and beyond.
Read more →
Installation
How to install the TAV MD250 mid-drive kit at home
Step-by-step guide for first-time builders. What tools you need, what to watch out for, and when to ask for help.
Read more →
Real builds
Converting a recumbent trike: a TAV customer story
Craig from Melbourne converted his recumbent trike in an afternoon. Here is what the process looked like.
Read more →Ready to go electric?
The TAV MD250 is in stock and ships from Adelaide. Free shipping on orders over $99.