Best Electric Bike Conversion Kits Australia
Converting an existing quality bicycle to electric is often better value than buying a complete eBike in Australia — you keep familiar frame geometry, known component quality and can choose your motor and battery specifications. For Australian road legality, the converted bike must be pedal-assist only (not throttle-on-demand) with 250W continuous motor and 25 km/h assist cut-off. We researched the best conversion kits for Australian riders, focusing on motor quality, battery options, installation complexity and compliance with AS/NZS standards.
Buying Guide: What to Look For
- 1For AU road legality: choose a 250W continuous mid-drive or hub motor with a speed sensor that cuts motor assist at 25 km/h. Do not fit throttle-on-demand if you plan to use public paths.
- 2Mid-drive motors (Bafang BBS01/02) use the bike's existing gears for efficient hill climbing — better for Australian hilly suburbs like Sydney and Brisbane.
- 3Hub motors are simpler to install but less efficient on hills — suited to flat urban commutes in Melbourne or Perth.
- 4Battery capacity of 36V 13Ah (468Wh) or larger gives 50–70 km real-world range in Australian conditions.
- 5Have the conversion done by a licensed eBike workshop if you're not confident with bicycle mechanics — poor battery wiring is a fire risk.
Top 6 Electric Vehicles Picks for Australia
Bafang
Bafang BBS01B 250W Mid-Drive Kit
| Power | 250W nominal |
| Voltage | 36V |
| BB Shell | 68mm / 73mm |
| Display | C961/DPC18 |
Pros
- 250W nominal — fully AU road compliant without modification
- Mid-drive uses existing gears for efficient hill climbing
- Large installer and tuner community in Australia
- Compatible with 68mm and 73mm BB shells
Cons
- Less torque than BBS02 for steep hills or heavy loads
- Requires bottom bracket removal — not a beginner DIY task
Verdict
The cleanest AU-compliant mid-drive conversion — 250W nominal means no power limiting required for Australian roads.
Bafang
Bafang BBS02B 750W Mid-Drive Kit (250W limited)
| Power | 750W peak / 250W limited |
| Voltage | 48V |
| BB Shell | 68mm / 73mm |
| AU Compliance | Requires 250W limit setting |
Pros
- More torque than BBS01B for hills and heavy loads
- Software-limitable to 250W for AU compliance
- Largest installed base of any conversion kit in Australia
- Compatible with most BB standards
Cons
- Requires programming to limit to 250W for AU road legality
- AU$700–AU$1,000 kit cost
Verdict
Higher torque than the BBS01B — popular for heavier riders and hilly AU suburbs when limited to 250W.
Bafang
Bafang BBSHD 1000W Mid-Drive Kit
| Power | 1000W peak / 250W limited |
| Weight | 3.9 kg |
| BB Shell | 68mm / 100mm / 120mm |
| Torque | 160 Nm peak |
Pros
- Highest torque of any Bafang kit — handles cargo and steep grades
- Robust build for heavy commuters
- 68mm and 100mm BB options for cargo bike frames
- Large heat sink handles continuous high-load riding
Cons
- 1000W peak requires significant limiting for AU compliance
- Heavier than BBS02 at 3.9 kg
- AU$900–AU$1,400 kit cost
Verdict
The heavy-duty option for cargo bikes and riders 90 kg+ — power-limited for AU compliance.
Swytch
Swytch Universal eBike Conversion Kit
| Power | 250W front hub |
| Battery | 36V 6.4Ah |
| Range | ~30 km |
| Install | No BB tools required |
Pros
- Front hub motor mounts in 20 minutes without special tools
- Handlebar power unit includes battery
- 250W — fully AU compliant
- Works with virtually any bike frame
Cons
- Front hub motor less efficient on hills than mid-drive
- Battery capacity limited to 36V 6.4Ah (lower range)
- AU$600–AU$700 price for a simple kit
Verdict
The simplest installation of any kit — front wheel motor + handlebar control unit, no BB work required.
Tongsheng
Tongsheng TSDZ2 Mid-Drive Torque Sensor Kit
| Power | 250W / 350W |
| Sensor | Torque + cadence |
| BB Shell | 68mm |
| Sound | Quieter than BBS02 |
Pros
- Torque sensor for natural pedal-proportional assist
- Quieter than Bafang BBS02
- 250W and 350W options
- Good EU/AU compliance track record
Cons
- Less service network in Australia than Bafang
- AU$500–AU$800 kit cost
- Requires compatible BB shell sizes
Verdict
Torque-sensing mid-drive — feels more natural than cadence-sensing Bafang kits for experienced cyclists.
Various
48V 17.5Ah Battery Pack for Bafang (Shark style)
| Voltage | 48V |
| Capacity | 17.5Ah (840Wh) |
| Cells | Samsung 21700 or LG |
| Mount | Downtube / bottle |
Pros
- Samsung or LG cells for reliability in Australian heat
- Downtube mounting suits most frame styles
- 48V 17.5Ah gives 840Wh — 80–100 km range potential
- Lockable and removable for apartment charging
Cons
- Verify cell brand before purchasing — some sellers mislabel cells
- AU$400–AU$600 for quality cells
Verdict
Quality aftermarket battery for Bafang kits — Samsung/LG cells handle Australian heat better than generic.
Editor's Note
Bafang is the most popular conversion kit brand in Australia by significant margin, and the BBS02 (750W peak, 250W limited for AU compliance) has the largest local community of experienced installers and tuners. The BBSHD is preferred for cargo bikes and heavy Australian commuters (90 kg+) needing more torque. For DIY installers, the BBS01B (250W nominal) is the cleanest AU-compliant option requiring no power limiting.
Our Take
The conversion route makes particular sense in Australia if you already own a quality hardtail mountain bike or road bike — a AU$600 Bafang kit on a AU$800 bike delivers better ride quality than a AU$1,400 complete eBike. The Bafang BBSHD is overkill for most unless you're hauling cargo or have a very hilly commute.
Honourable Mentions
Pendix eDrive Mid-Drive Kit
German-engineered mid-drive with clean aesthetics — less common in Australia but excellent quality.
Golden Motor Magic Pie Hub Kit
Australian importer stocks these hub motor kits with local support — good option for AU-based service.
Frequently Asked Questions
Are eBike conversion kits legal in Australia?
A converted e-bike is legal in Australia if it meets the same standards as a factory eBike: 250W continuous motor power, pedal-assist only (no throttle), 25 km/h assist cut-off, and standard bicycle braking. DIY conversions with these specifications are treated the same as factory compliant eBikes.
What is the best eBike conversion kit for Australia?
The Bafang BBS01B (250W) and BBS02B (500W/250W-limited) are the most popular in Australia for their reliability, wide installer network and strong community support. The BBS01B is naturally AU-compliant without any limiting required.
How much does it cost to convert a bike to electric in Australia?
A quality mid-drive kit (Bafang BBS02 + battery) costs AU$600–AU$1,200 for components. Professional installation by an eBike workshop adds AU$200–AU$400. Total AU$800–AU$1,600 for a quality conversion on an existing bike.
Can I convert any bike to electric in Australia?
Most bikes with standard 68–73mm bottom bracket shells accept Bafang mid-drive kits. Hub motor kits fit standard QR or thru-axle rear wheels. Frames with non-standard geometry or carbon fibre frames should be assessed by a professional before conversion.
How far can a converted eBike travel on one charge?
With a 36V 13Ah (468Wh) battery and Bafang BBS02, expect 50–70 km in Australian conditions with Eco/Tour assist mode. Higher assist levels reduce range to 30–40 km. Adding a second battery doubles range but adds weight.
Affiliate disclosure: This guide contains affiliate links. If you purchase via our links, AUPicks may earn a commission at no extra cost to you. This does not influence our rankings — all picks are based on genuine research.