The Ultimate Guide to the Ampd Bros ACE Series 4 Electric Bike
The iconic ACE electric bike
Since its debut in 2019, the ACE has become the number one choice for Aussie riders who crave power, style, and versatility. Instantly recognisable by its vintage inspired design and 20x4” fat tyres, the ACE is built for adventure.
With a massive range of customisation options and accessories, you can tailor your ACE bike to suit any lifestyle. Plus, its one size fits all frame makes it a perfect choice for riders of all sizes. Thanks to an extra long seat and optional foot pegs, you can even bring a second rider along for the journey.
The new ACE series 4: upgraded for 2025
Our latest ACE Series 4 range features major upgrades, including:
Enhanced suspension design for a smoother ride
Upgraded micro LCD colour display with real time ride stats
Boosted 52V battery for extended performance and range
The ACE lineup features two signature frame styles:
‘X’ Step-Over Frame – A classic, sporty design
‘S’ Step-Through Frame – Easier access and enhanced comfort
Standard vs Plus+: Which ACE model is right for you?
The ACE Series 4 comes in two main models, the Standard and Plus+ each offering incredible performance.
Let’s break down the differences:
ACE Standard model (Entry level power & value)
52V 15Ah Battery – Up to 60km range
500W Motor (40km/h top speed when unlocked)
Best for: Everyday riders looking for an affordable yet powerful e-bike
ACE Plus+ model (Enhanced power & range)
52V 20Ah Battery – Up to 80km range
750W Motor (45km/h top speed when unlocked)
Adjustable Front Suspension Fork – Smoother ride on rough terrain
Best for: Riders seeking more power, range, and comfort
High performance features across all ACE models
No matter which ACE model you choose, every bike in the Series 4 lineup is built for power, efficiency, and reliability. Here’s what makes the ACE stand out:
High-Torque Bafang Rear Hub Motor – Globally renowned for durability and impressive torque
Shimano 7-Speed Transmission – Smooth, responsive gear shifting for any terrain
Hydraulic Disc Brakes (180mm Rotors) – Superior stopping power for safety and control
Premium Samsung Lithium Battery – Removable for convenient charging on or off the bike
Cutting-Edge 21700 Cell Technology – 30% larger & more energy-dense than competitors
Sleek LCD Color Display – Real-time speed, trip data, and battery level at a glance
AB Signature LED Headlight & Tail Light – Enhanced visibility for safer riding
Lightweight, Ultra-Durable Aluminum Frame – The perfect balance of strength and agility
Why choose the ACE Series 4?
Whether you're looking for a powerful commuter, a weekend adventure bike, or a stylish head turner, the ACE Series 4 has something for you. The Standard Model is perfect for budget conscious riders who want great performance, while the Plus+ Model delivers extra power and range for those who crave more.
Order your ACE Series 4 today
Ampd Bros has been Australia’s original electric bike brand since 2019, and we stand behind our bikes with a comprehensive 2-year warranty. Our bikes are available Australia-wide!
