Ampd Bros ACE-S PRO Dual Suspension Electric Bike

Ampd Bros ACE-S PRO Dual Suspension Electric Bike

The Ampd Bros ACE-S PRO Dual Suspension Electric Bike takes fat tyre e-bikes to the next level, blending power, comfort, and durability for Australian riders who demand more. With its exclusive DNM Rear Suspension Shock and 100mm adjustable seat height, the ACE-S PRO delivers an ultra-smooth ride whether you’re exploring trails, conquering steep hills, or cruising along the beach.

At its core, a Bafang Rear Hub Motor pumps out 95Nm of torque, ensuring effortless performance across sand, dirt, or city streets. The cutting-edge GEN3 Aluminium Battery with premium Samsung 21700 cells provides up to 100km range, complete with an integrated tail and brake light for added safety.

The ACE-S PRO isn’t just powerful—it’s practical. The step-through aluminium frame makes it easy for riders of all heights, while the plush quilted dual seat and VEE Tire Huntsman puncture-resistant tyres keep you comfortable and confident on any adventure. With a Shimano 7-speed Rapid Fire shifter, hydraulic disc brakes, and the option to add an Off-Road Throttle Kit, this e-bike is built for both adrenaline junkies and everyday commuters.

Ride smarter, longer, and bolder with the ACE-S PRO—your ultimate electric fat tyre bike from Australia’s leading e-bike brand.

Specifications

ACE PRO & DEMON SERIES 4

Range

•  Ace Pro Up to 100km+*
•  Ace Demon Up to 100km* (Single Motor Only)

Top Speed (Off Road Private Property)

•  All Models Restricted to 25km/h
•  Pro & Demon Up to 55km/h (When modified for Private Property Use)

Battery

•  Standard 52V / 1,300Wh, 25AH
•  Samsung Premium 21700 Lithium cells
•  Battery is removable and can be charged in bike or separately. 

Motor

•  All Models Bafang Hub Restricted to 250W High Torque Motor
•  Ace Pro 1,000W (When modified for Private Property Use)
•  ACE Demon Dual AWD 1,000W (When modified for Private Property Use)
  
•  Torque 95N.m (Each Motor)
•  Peak Output 1,600W+ (Each Motor)
•  ACE Pro Single Rear Wheel Drive
•  ACE Demon Dual AWD Front & Rear Motors

Ride Modes

•  Mode 1 Pedal Assist mode: Adjustable pedal assist performance settings from 1-5 or can also be changed to 1-3 or 1-9
•  Mode 2 Walk mode: Idles bike up to 6km/h to assist with moving bike by holding the "-" button on the keypad
•  Mode 3 Throttle mode: Available when Optioned with the Off Road Throttle Kit

Features

•  Hill Ability Up to 30º Degree / 60% Incline PAS
•  Seat Custom Large Quilted Plush Dual Seat for 2 Riders
•  Warranty 2 Years (1 Year on Batteries)
•  Ace Pro Headlight Ampd Bros Signature 800lm LED Light with DRL
•  Demon Headlight Upgraded PRO Front LED 1,700lm Headlight with DRL 
•  Lights Rear LED Brake Light inbuilt to battery pack
•  Grips Velo Wide Comfort
•  Bell Yes

Brakes

•  Standard High Performance Tektro 4 Piston Hydraulic Disc
•  Discs 203mm
•  E-Brakes Yes Motor Safety Cut Off

Display

• Large Colour LCD Multi-Function with USB, ODO, Trip, Battery Level, Speed etc

Controller

• Ampd Brothers Custom - Best-in-class power density and state-of-the-art motor control algorithms.

Drivetrain

•  Transmission Shimano 7 Speed with Rapid Fire Micro Shifter
•  Derailleur Shimano Altus
•  Pedals Wellgo Alloy - Black
•  Chain KMC Z Series High Performance & Rust Resistant

Construction

•  Frame Aluminium - "X" Step Over Bar Design
•  Handlebars Aluminium Motorcycle Inspired with Adjustable Height 
•  Fenders Matte Black Aluminium

Suspension

•  Standard Front Independent & Rear Adjustable DNM

Wheels & Tyres

•  20x4.0" Vee Tire Huntsman Puncture Resistant All Terrain Tyres

Charging

• 8.5hrs for 25Ah Batteries with Standard 3A Included Charger
• Optional 5A Fast Charger Available

Dimensions

•  Overall Length 1,800 mm
•  Handlebar Height 1,140 - 1,190 mm
•  Handlebar Width 660 mm
•  Seat Height 880mm (Adjustable between 850-950mm)
•  Seat Length 600 mm 
•  Ground Clearance 270 mm
•  Wheel Base 1,160 mm
•  Rider Height Ideal for Riders up to 200cm Tall

Weights

•  N.W of 25Ah Battery 6.25 kg
• N.W of ACE Pro + Battery 44.4 kg
• N.W of ACE Demon + Battery 49 kg
• Max Loading 180 kg

Inclusions

•  In Box Bike, Battery, 3A AUS Charger, Front Headlight, Basic Tool Kit, Manual, Pedals, Fenders, Seat & Kick Stand.

*Range Achievable may vary based on loading, motor use, throttle/pas, terrain, weather conditions and many other factors. 

People Also Ask

Is the ACE-S PRO suitable for taller riders?
Yes, it’s designed for riders up to 200cm tall, with an adjustable seat height for comfort.

Can I use the ACE-S PRO without pedalling?
Yes, when fitted with the optional Off-Road Throttle Kit, you can ride throttle-only on private property.

How long does the battery take to charge?
The 25Ah battery charges in about 8.5 hours with the standard charger, or faster with the optional 5A charger.

What terrain can the ACE-S PRO handle?
Its fat tyres, suspension system, and powerful motor make it ideal for sand, dirt trails, hills, and city roads.