
Johammer electric motorcycle —
The Johammer J1 electric motorcycle is one of many e-bikes designed with the future in mind.

Johammer electric motorcycle —
The €25,000 ($28,500) e-motorcycle boasts a range of 200 kilometers (125 miles) and integrates the electric motor and controller into the rear wheel.

The aluminum frame houses the battery pack and shock absorbers while the wing mirrors incorporate a digital display which shows speed and battery usage.

Johammer electric motorcycle —
"It's very convenient (to ride) because you don't have to do anything with you feet -- you do everything with your right hand," says Johammer's CFO Johannes Kaar. "In the first 20 minutes people are curious -- it's quite different from traditional motorcycle steering but you get used to it very fast."

The "Light Rider" has a lightweight 3-D printed frame and a six kilowatt battery.

Designed by Airbus subsidiary, AP Works, the e-bike weighs 35 kilos (77 lbs) in total.

The limited-edition bike has a price tag of €50,000.

MEIJS 'Motorman' —
The "Motorman" was designed and built by Dutch product designer Ronald Meijs. Meijs wanted to use his design skills to help improve the urban environment. "At the moment we have the problem of congestion and pollution in most of the big cities of the world and more than half the world's population lives in cities," Meijs says.

MEIJS 'Motorman' —
"The most pleasing aspect of the design is its transparency -- what you see is what you get. It's not hidden mechanics or transmissions. You can see through it," says Meijs.

MEIJS 'Motorman' —
The Motorman has a range of up to 100 kilometers (60 miles) and a top speed of 45 kph (28 mph)."At the moment it's a completely handcrafted product," Meijs says of his creation which costs €5,750 ($6,500) to buy. "It takes about two days from start to finish to build. Most of the components are produced in the Netherlands and the battery comes from China."

Vintage Electric 'Tracker' —
California-based Vintage Electric have two models of e-bike currently -- the "Tracker" (pictured) and the "Cruz."

Vintage Electric 'Cruz' —
Both retro-looking models have a modern lithium battery technology.

Tesla Concept by Jans Slapins —
This concept for a Tesla e-motorcycle was dreamed up by London-based designer Jans Slapins.

Tesla Concept by Jans Slapins —
"I think electric vehicles have great potential and leader in this field is Tesla Motors," Slapins says.

Tesla Concept by Jans Slapins —
"I believe Tesla could build a great motorcycle -- that's why I've done this concept of e motorcycle called "Model M."Slapins imagines the old fuel tank being re-purposed as a luggage compartment for a helmet and electric gadgets.
"The bike could have 150 kW electric engine with four modes of power output -- Race, Cruise, Standard and Eco."

'Bolt' electric motorcycle —
Another concept for an e-bike has been created by Dutch-based design company, Springtime.

'Bolt' electric motorcycle —
Designed by Niels Caris, the "Bolt" aims to retain a visual reference to performance bikes, Springtime says.

'Bolt' electric motorcycle —
The Amsterdam-based design company counts Nike and Coca Cola among their clients.