This folding electric bike is equipped with the Copenhagen Wheel from Superpedestrian, a 350W hub motor with integrated battery. The system which is completely contained in the rear hub provides pedal assistance, allowing you to ride farther and longer without tiring. It’s perfect for long commutes or hilly areas and can bring the joy of cycling to riders of any experience level.

The hub is controlled with a iOS or Android smart phone app* so there are no wires, throttles, or external batteries. Choose your level of assistance with Turbo, Standard, or Eco mode and the hub does the rest, providing extra torque when rider input is detected. And at the end of your ride this e-bike folds in seconds for storage or transport.

*iOS or Android smartphone is required to operate Copenhagen Wheel. See specifications below for OS version.
**Bike and Copenhagen Wheel ship separately and installation is required upon delivery (see details below)


This product is no longer available.


Frame Sizes

• Small – 17″: For riders 4’8″ – 5’2″.
Standover height is 27.5″
• Medium – 19″: For riders 5’3″ – 5’10”.
Standover height is 28.25″
• Large – 21″: For riders 5’11” – 6’4″.
Standover height is 28.25″

The Essentials

• Speeds: 7
• Wheel Size: 700c
• Folded Size: 36″x28″x12″
• 350W hub motor


Great For

• Cruising city streets
• Leisurely bike paths
• Comfortable riding
• Small apartments

Crosstown Copenhagen Wheel E-bike Open

Advanced Diagnostics

Advanced Diagnostics

measure the rider torque, power, and
cassette rotation speed and respond with
the appropriate power in just 10 milliseconds.

Advanced Diagnostics

measure the rider torque, power, and cassette rotation speed and respond with the appropriate power in just 10 milliseconds.


Why a Folding E-Bike?

The biggest challenges with e-bike ownership are secure storage and transportation. A folding e-bike solves them both. It’s too risky to leave your e-bike locked up on the street but having the ability to fold it into a compact package in seconds allows you to store it easily in the home or office, and travel with it anywhere. It can fit in the car trunk, on the bus or train, and is perfect for your next trip.


Why Montague?

We set out to create the highest performance folding bikes in the word. All Montague bikes use full-size wheels, standard components, and a folding design that doesn’t break any of the frame’s tubing. Our focus has always been on perfecting ride quality, handling, and comfort.

Metrics & Security

Metrics & Security

Your smartphone supplies battery levels,
ride metrics, and provides security as the
digital key to unlock and activate your hub.

Metrics & Security

Your smartphone supplies battery levels, ride metrics, and provides security as the digital key to unlock and activate your hub.

“The Crosstown is a bike that provides a great riding experience. While the look is what jumps out at you first, it’s the ride that sells you on the bike. The geometry and sizing have been well thought out, resulting in a bike that you can ride for a few minutes or an hour with ease and total comfort.

The folding is surprisingly simple, one of the easiest out there. It’s obvious that the fold makes popping the bike in your car a breeze.”

Momentum Magazine

“Though it looks like a simple bike wheel, the Copenhagen packs impressive technology inside. An integrated motor powered by a battery provides the giddyup, a wireless sensor connects to smartphones for data crunching . .  . and regenerative brakes add to the efficiency.

Turns out reinventing the wheel was worth it.”

TIME Magazine

Wheel Installation

Your bicycle and Copenhagen Wheel will arrive separately requiring you to install the wheel on your bike before riding. In addition to the Copenhagen Wheel, your bike will also arrive with a standard rear wheel so you will always have the option of switching to a non-electric version.

The video below shows how to properly install the Copenhagen Wheel on your bike. If you are not comfortable doing this yourself, please have the work done by a professional bike mechanic.

Copenhagen Wheel Specifications

Motor 350W
Top Assisted Speed 25 mph
Range Up to 30 mi / 48 km
Battery 48 V – 279 Wh (5.8 Ah) Li-ion
Battery Life 1000 charge cycles
Charge Time 2 Hours (80%), 4 hours (100%)
Wireless Connectivity Bluetooth Low Energy (4.0)
Smartphone OS Required: iOS 9 or greater, Android 4.3 or greater (Phone not included)

Bike Specifications

Color Boulder Gray
Frame Custom drawn 6061 Series, Aluminum tubing with DirectConnect™ folding system.
Fork Rigid Unicrown, with ramped dropout.
Rims 700c  Alloy. 32 hole, Silver.
Tires Kenda semi-slick.  700c x 35mm.
Hubset Formula. Alloy, front quick release.
Spokes 14 Gauge Stainless
Saddle Gel with Elastomer Comfort System
Seatpost 30.0 X 300mm Alloy with Montague logo
Handlebars Riser style 30mm rise. 600mm wide. Alloy, Black.
Stem Angle adjustable stem
Shifters Shimano 7-Speed RevoShift.
Front Derailleur NA
Rear Derailleur Shimano Altus, 7-Speed.
Crankset 42T chainring. Alloy 170mm crank arm with chain guard
Cassette Shimano MegaRange 14-34T
Speeds 7
Brakeset Tektro dual pivot caliper. Side pull with Quick Release.
Pedals Trekking pedal with all-weather non-slip tread.
Bottom Bracket Semi-Sealed Cartridge.
Frame Sizes 17”, 19”, 21”
Folded Size 36” x 28” x 12”
Specifications and prices subject to change without notice. Bike specifications and prices for your country may differ. We do our best to ensure that the listed specifications accurately reflect the parts found on our folding bikes. Even so, we may have to change the component specifications from time to time. We do our best to make sure that all component substitutions are of equal performance and cosmetics as those listed . Also our international distributors often ask us to modify components to better suit their local markets. Please contact your local distributor for information about bikes in your area.

Additional information

Frame Size

Small – 17", Medium – 19", Large – 21"


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