Brompton C Line Electric Explore Mid Folding Bike

Color:Bolt Blue Lacquer
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Looking for a smart, reliable way to get around and explore? The Brompton C Line Electric Explore Mid folding bike has an intelligent pedal assist that eases your commutes and hilly rides.

  • Features

    • Electric bike with a 6-speed, 300% gearing range and a highly efficient motor and battery system offers versatility for getting around town and beyond
    • Highly maneuverable bike is capable of quick accelerations
    • Intelligent pedal assist gives you that extra push when you need it, whether it's helping you up the hills or easing those longer journeys to and from work
    • 300 Wh, 36V battery with LED display helps you reach a top speed of 15.5 mph with a range of 20–45 mi.; included 2A charger powers the battery in 4 hrs.
    • Included 5V 1.5A USB port lets you charge portable devices
    • Folding frame lets you bring it inside so you don't have to worry about potential theft leaving it outdoors
    • Integrated carry handle and light weight make it easier to transport; compact size allows convenient storage
    • Included 40 lux Busch & Muller AVY LED front lamp helps you be seen in low light
    • Low frame with a comfortable riding position makes it easy to step on and off
    • Main frame features precision-drawn, heat-treated steel tubing with hand brazing and selected auto-brazed joints
    • Rear frame features hand-brazed, cold-formed, micro-alloy steel tubing
    • Lock-on grips are made with a soft-compound rubber adhered to an engineered core
    • Puncture-resistant tires with reflective sidewalls keep you moving and add visibility in low-light conditions
    • Included Brompton Standard saddle features mounts for a Brompton rear light and saddle bag (light and bag not included)
    • Compatible with Brompton Electric iOS and Android™ apps available for download
    • Specs and images are subject to change


    This e-bike comes with Coast to Coast Support, which includes:
    • 1 year of free adjustments (see more below)
    • In-store bike assembly
    • Pickup in store or curbside
    • Bike experts available at 170+ bike shops
    REI Co-op Members get more:
    • An additional year of free adjustments (2 total years; see below)
    • Free flat tire repairs (labor only; parts not included)
    • 20% off shop services
    More about our free adjustments:
    New bikes go through a normal break-in period, after which they should be readjusted. All electric bicycles sold at REI include free adjustments for the defined period (one year after purchase date for non-members, or two years for REI Co-op Members)—as many times as you need. Included: derailleur and brake adjustments, lateral wheel truing, hub and headset bearing adjustments, tire inflation, chain lubrication and e-bike firmware updates. Not included: replacement or installation of new components or accessories, any other services. Call your local REI Co-op Bike Shop for more information.

    View all Brompton Electric Folding Bikes
  • Technical Specs

    Best Use

    Urban Cycling

    E-Bike Classification

    Class 1: pedal assist up to 20 mph


    Brompton by Williams Engineering

    Motor Type

    Geared Hub

    Battery Type

    Lithium Ion

    Battery Capacity (Wh)

    312 watt hours

    Battery Removable


    Charge Time (hrs)

    4 hours

    Pedal Assist Range

    20-45 miles

    Bike Frame Material



    Hand-brazed steel



    Bike Suspension

    No Suspension



    Rear Shock

    Brompton Elastomer


    6061 forged aluminum crank with 50T chainring and integrated chainguard

    Bottom Bracket

    Integrated sealed bearing bottom bracket with cadence and torque sensor



    Rear Derailleur


    Rear Cogs

    Brompton 12/16T

    Number of Gears

    6 gear(s)

    Internally Geared


    Brake Type




    Brake Levers



    Brompton; rear is a single-wall rim with Brompton wide-ratio 3-speed internal gear hub with 2-speed external gears (13- and 16-tooth)

    Front Hub

    Brompton 250W Brushless DC motor providing assistance up to 15.5 mph

    Rear Hub

    Brompton BWR by Sturmey Archer

    Wheel Size

    16 inches


    Schwalbe Marathon Racer 16 x 1.35 in.

    Tire Width

    1.35 inches

    Handlebar Shape

    Riser Bar




    Brompton M Type

    Seat Post

    Brompton Standard


    Brompton Standard


    Brompton folding left-side pedal and nonfolding right-side pedal


    1-1/8 in. threaded




    38 lbs. 5 oz.

    Bike Weight

    Bike weight is based on median size, as sold, or the average of two median sizes.



  • Reviews
    2 reviews with an average rating of 4.5 out of 5 stars

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