Cosmos | Electric Bike
- Low stock - 2 items left
- Inventory on the way
- 2 Years Warranty*
- Free Local Shipping*
- Eco-friendly & Sustainable
- Made from Premium Materials
The Burzerk COSMOS model is one of our favourite step through electric bikes, designed with versatility and function at the forefront of mind.
Crafted with meticulous attention to detail, our bikes cater to off-road adventurers, daily commuters, and anyone seeking a seamless riding experience.
Not only are our electric bikes versatile, comfortable, powerful, durable and environmentally friendly – they are companions in the symphony of life.
Designed for off-road/private property use. Not permitted for use on public roads or paths in most states.
❤︎ Look after your ebike!
View our other bikes here.
The COSMOS model comes standard with world class leading features:
✓ SPEED
• Public Use: Speed Restricted to 25 km/hr (40-48km/hr unlocked for private use only)
• No Peddle Assist: 40-48km/hr (flat land)
• With Peddle Assist: Top Speed 40-48km/hr
✓ RANGE
• 1 Battery
- No Peddle: 30-40km
- Peddle Assist: 40-60km
• 2 Batteries
- No Peddle: 60-80km
- Peddle Assist: 80-120km
* Range Achievable may vary based on loading, motor use, throttle/pas, terrain, weather conditions and many other factors.
✓ SCREEN – APT
• Multi-Function Water & Dirt Resistant Colour LCD Display Screen with USB, ODO, Trip, Battery Level, Speed
✓ FRAME
• Premium Quality Lightweight Aluminium Alloy Frame
• Step Over Bar Design
• Integrated Frame Mounted Cup Holder
• Rear Rack
✓ TIRES – CST
• 20"*4.0 CST Scout Tires
✓ BRAKES – TEKTRO 4
• Piston Hydraulic Front & Rear Disc Brakes including Motor Safety Cut Off
• 203mm Rotor
✓ GEARS – SHIMANO
• 7 Speed Transmission with Rapid Fire Micro Shifter
✓ SUSPENSION
• Front Independent & Rear Adjustable
✓ MOTOR – BAFANG
• 48V 1000W Brushless Rear Hub Motor (released 2023)
✓ BATTERY – SAMSUNG
• 48V | 20AH
• Premium 21700 Lithium-ion cells
• Battery is removable and can be charged in bike or separately.
✓ CHARGER
• 48V 3A CE/UL Fast Charger
• Charging time: 4 - 6 hours
✓ TWIST THROTTLE – Star union
• Half turn throttle
✓ HANDLEBARS
• Aluminium Motorcycle Inspired with Adjustable Height
✓ FOOTPEGS
• Aluminium Alloy
✓ GRIPS – Velo
• Wide Comfort Rubber Grips
✓ SADDLE
• Custom Large Dual Seat for Two Riders
✓ KICKSTAND
• Aluminium Alloy Kickstand
✓ HEAD LIGHT
• Light Sensing 3 Stage Bright LED
• PRO Front LED 1,700lm Headlight with DRL
✓ TAIL LIGHT
• Rear LED Brake Light inbuilt to battery pack
✓ INCLUDED ACCESSORIES
• Rear Rack, Cup Holder, Half Hand Throttle, Bell, Rear Foot-pegs, Middle Foot Rest
✓ COLOURS
• Charcoal Ashes | Milky White | Sage Green
✓ BIKE WEIGHT
• Bike Only: 38kg
• 20Ah Battery: 6.25kg
• Cosmos Bike + Battery: 44.4kg
• Max Loading: 180kg
✓ DIMENSIONS
• Overall Length: 1,800mm
• Handlebar Height: 1,140 - 1,190mm
• Handlebar Width: 660mm
• Seat Height: 850mm Fixed Height
• Seat Length: 600mm
• Ground Clearance: 270mm
• Wheel Base: 1,160mm
• Rider Height: Ideal for Riders up to 200cm Tall
✓ INCLUSIONS
• In Box Bike, 48V Battery, 3A AUS Charger, Front Headlight, Basic Tool Kit, Pedals, Fenders, Seat, Kick Stand & Rear Rack.
✓ WARRANTY
• 24 Months Warranty: Ebike Frame, Seat Post, Saddle, Forks, Stem, Handlebars, Pedals, Bottom Brackets, Rims, Fenders, Kickstand.
• 12 Months Warranty: Brakes, Battery, Lights, Wheel Hub, Derailleur, Shifter, Throttle, Controller, LCD Display, Wiring Harness.
• 6 Months Warranty: Ebike Accessories.
✓ SPEED
• Public Use: Speed Restricted to 25 km/hr (40-48km/hr unlocked for private use only)
• No Peddle Assist: 40-48km/hr (flat land)
• With Peddle Assist: Top Speed 40-48km/hr
✓ RANGE
• 1 Battery
- No Peddle: 30-40km
- Peddle Assist: 40-60km
• 2 Batteries
- No Peddle: 60-80km
- Peddle Assist: 80-120km
* Range Achievable may vary based on loading, motor use, throttle/pas, terrain, weather conditions and many other factors.
✓ MOTOR – BAFANG
• 48V 1000W Brushless Rear Hub Motor (released 2023)
✓ BATTERY – SAMSUNG
• 48V | 20AH
• Premium 21700 Lithium-ion cells
• Battery is removable and can be charged in bike or separately.
✓ CHARGER
• 48V 3A CE/UL Fast Charger
• Charging time: 4 - 6 hours
✓ SCREEN – APT
• Multi-Function Water & Dirt Resistant Colour LCD Display Screen with USB, ODO, Trip, Battery Level, Speed
✓ CONTROLLER – Bluedot
48V 30A Sine wave controller; Bluedot
✓ FRAME
• Premium Quality Lightweight Aluminium Alloy Frame
• Step Through Bar Design
✓ TIRES – CST
• 20"*4.0 CST Scout Tires
✓ BRAKES – TEKTRO 4
• Piston Hydraulic Front & Rear Disc Brakes including Motor Safety Cut Off
• 203mm Rotor
✓ GEARS – SHIMANO
• 7 Speed Transmission with Rapid Fire Micro Shifter
✓ SUSPENSION
• Front Independent & Rear Adjustable
✓ TWIST THROTTLE – Star union
• Half turn throttle
✓ HANDLEBARS
• Aluminium Motorcycle Inspired with Adjustable Height
✓ DERAILLEUR Derailleur
• SHIMANO Atlus
✓ CRANKS
• High Quality Ounce Alloy Crank
✓ PEDALS
• Wellgo Alloy - Black
✓ FOOTPEGS
• Aluminium Alloy
✓ HEADSET
• Sealed Bearing
✓ STEM & HANDLEBAR
• Adjustable Aluminium Alloy
✓ LEVERS
• TEKTRO Levers and Motor Inhibitor
✓ GRIPS – Velo
• Wide Comfort Rubber Grips
✓ SADDLE
• Custom Large Dual Seat for Two Riders
✓ RIM
• Aluminium Alloy with Holes
✓ SPOKES
• Stainless Steel
✓ CHAIN
• KMC Z Series High Performance
✓ FENDERS
• Matte Black Moulded Plastic
✓ KICKSTAND
• Aluminium Alloy Kickstand
✓ HEAD LIGHT
• Light Sensing 3 Stage Bright LED
• PRO Front LED 1,700lm Headlight with DRL
✓ TAIL LIGHT
• Rear LED Brake Light inbuilt to battery pack
✓ INCLUDED ACCESSORIES
• Rear Rack, Cup Holder, Half Hand Throttle, Bell, Rear Foot-pegs, Middle Foot Rest
✓ COLOURS
• Charcoal Ashes | Milky White | Sage Green
✓ BIKE WEIGHT
• Bike Only: 38kg
• 20Ah Battery: 6.25kg
• Cosmos Bike + Battery: 44.4kg
• Max Loading: 180kg
✓ DIMENSIONS
• Overall Length: 1,800mm
• Handlebar Height: 1,140 - 1,190mm
• Handlebar Width: 660mm
• Seat Height: 820mm Fixed Height
• Seat Length: 600mm
• Ground Clearance: 270mm
• Wheel Base: 1,160mm
• Rider Height: Ideal for Riders up to 200cm Tall
✓ PACKAGE SIZE
• 190cm x 26cm x 90cm | 48kg Boxed
✓ INCLUSIONS
• In Box Bike, 48V Battery, 3A AUS Charger, Front Headlight, Basic Tool Kit, Pedals, Fenders, Seat, Kick Stand, Rear Rack.
✓ WARRANTY
• 24 Months Warranty: Ebike Frame, Seat Post, Saddle, Forks, Stem, Handlebars, Pedals, Bottom Brackets, Rims, Fenders, Kickstand.
• 12 Months Warranty: Brakes, Battery, Lights, Wheel Hub, Derailleur, Shifter, Throttle, Controller, LCD Display, Wiring Harness.
• 6 Months Warranty: Ebike Accessories.
Burzerk Bikes are sold restricted to meet legislation requirements. In NSW, max continuous output is 500watts at 25Km/hr. In other states the max continuous output it 250watts at 35Km/hr. See our FAQs for more information on Australian e-bike laws.
Burzerk Bikes speed can be derestricted for private property use only and must be restricted again when in public domain.
Throttle is to be used on private property only and should be isolated in public domain.