Electric Brompton - What we know

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Electric Brompton - What we know

Brompton unveiled their electric bike at the 2017 World Championships in London. When will it come to the USA and what to expect.

UPDATE: July 2018 - It looks like we won't see the electric Brompton in the USA until sometime next year.

 

The Brompton Electric is designed to change cities; it has smart features, a sleek design and is simple to use. The bike has 4 modes, ranging from no assistance (the bike rides smoothly without the battery) through to a high level of assistance, perfect if you want to arrive fresh to a meeting or are climbing a large hill. The key features and full specification details are in the table below, which lays out all the technical information about the bike.  We can expect to see the bike here in the US market sometime before the summer 2018 season.

Key Features

  • Custom-developed 250W front hub motor giving an extremely high performance-to-weight output.
  • Bike still folds to the same size as a non-electric Brompton.
  • To aid portability, the battery can be carried separately, integrating neatly into a shoulder bag.
  • Battery features intuitive user interface and USB charging port for mobile devices 
  • All Brompton Electric bikes come with the standard battery bag (1.5L), however, there is an additional option to buy a commuter bag (20L), which can store your larger items, e.g. a laptop
  • Smooth pedal-assisted ride thanks to the smart, integrated torque and cadence sensors
  • Bike weight is about 31 lbs.  Battery weight is just under 5 lbs.
  • Max motor assisted speed - 15.5mph (25kph)  (This may change for US market)

 

Current Specifications:

Bike Information
Wheel size 16" (349mm)
Folded dimensions 585mm high x 565mm long x 270mm wide (23" x 22.2" x 10.6").
Handlebar type M type (1015mm)
Rear frame L type (mudguard)
Colours Gloss black or Gloss white
Gears 2-speed or 6-speed
Seat posts
  • Standard - adequate for an inside leg measurement up to 33"
  • Extended - 60mm / 2.5" longer than the standard option
  • Telescopic - designed for an inside leg greater than 35"
Weight bike without battery
  • 2-speed: 13.7kg (16.6kg total with battery)
  • 6-speed: 14.4kg (17.3kg total with battery)
Weight battery + small bag 2.9kg
Lights 20 Lux Busch & Müller LYT
Max. load 107kg (incl. luggage)
Brakes Dual pivot brakes
   
Luggage  
Small bag (included) 1.5 litres
Large bag (optional accessory) 20 litres - additional $176.02
   
Charger  
Standard charger (included) 2A charger (80% charge in 3-3.5 hours, 100% in 4-5 hours)
Fast charger (optional accessory) 4A charger (80% charge in 1.5-2 hours, 100% in 2.5-3 hours) - additional $155.71
   
Battery  
Voltage 36V
Capacity 8.55Ah
Energy density 300Wh
Range 25-50 miles / 40-80km (dependent on rider and environmental factors)
USB port to charge portable devices 5V 1.5A
Integrated HMI LED display
Weight 2.2kg
   
Assistance  
Assistance modes 4 (0-1-2-3)
Sensors Contactless bottom bracket torque and cadence sensor
   
Motor  
Type Brushless DC front motor
Nominal output power 250W
Cut off speed 15.5mph / 25kmh
Freewheel Very low resistance when riding without assistance
   
Warranty on electrical parts 2 years
   
Certifications EN15194
Battery: UN38.3, EN62133
   
App iPhone app

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