Tag Archive | "handlebars"

Pioneer PotterNavi: 3G Bike GPS Mapping

Pioneer PotterNavi: 3G Bike GPS Mapping

A GPS that encourages meandering won’t be the dish of the day (month, or year) for hypermilers, but might do well in the slightly more genteel world of cycling. Pioneer’s PotterNavi sits on the handlebars of your velocipede and can let you decide between straight or scenic routes. Read the full article at engaget

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Carbon-frame Wisper available in the UK

Carbon-frame Wisper available in the UK

London, United Kingdom — On October 8, the Cycle 2009 Show at Earls Court opened. There, the first frame e-bike in the UK was unveiled. (Sanyo has one in Japan.)

The Wisper is a technological marvel. An on-board computer with liquid crystal display provides diagnostic information on speed, performance, and power left in the battery. There are six power-assist modes. A front LED light – with automatic light sensor – runs through the battery system.

The Wisper 906xc Tourer retails at £2,399.

For complete details, see the article at Bike Biz.

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Tandem Electric Bike Is Twice As Nice

Tandem Electric Bike Is Twice As Nice

Irvine, CA – The PEDEGO tandem e-bike, which was introduced during the September 23-25, 2009 Interbike International Bicycle Expo, consists a beach cruiser design with two wide, cushioned seats, relaxed handlebars and a rear motor.

The bike has the same type of quality components as other PEDEGO bicycles, and operates much like a regular tandem. However, it has a parallel electric drive system that includes a 750 watt motor and 48 volt lithium manganese battery. The battery will last about 15,000 miles and costs less than 10 cents to recharge.

The throttle is controlled by the rear rider gently revving the right handlebar grip. (As such, the rider in front may want to give up the view for a while to be in charge of the throttle!)

Read the complete article at PEDEGO Develops World’s First Electric Tandem Bicycle.

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Check Out Eurobike’s Gallery of Ebikes

Check Out Eurobike’s Gallery of Ebikes

Germany – In early September, 2009, Eurobike was held in Germany, and electric bike manufacturers had their ware on display. The Yikebike – a pennyfarthing type of cycle, with no handlebars, was on display and was a great hit.

To see photos of the Yikebike and others, check out BikeRadar: Eurobike: E-bikes creating a buzz.

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The A2B Metro

The A2B Metro


London, England — Every street in any city has its own, official name – the name the city planners give it. And then there are the names that other groups give it – the cyclists, the roller bladers, the skateboarders – names that describe the features that these individuals care for most/

For example, in South London there’s a “Crafty Slope,” a long, subtly sapping stretch of terraced houses”; “Death Row”, a “steep road that skirts the cemetery”. And then there is “Cardiac Crest”, a South London cliff-like crest that puts riders in mind of a Pyrenean climb in the Tour de France.

Neville Hawcock, who writes for the Financial Times, recently got a chance to take the A2B Metro out for a test spin.

“In appearance at least, it resembles a chunky version of an old-fashioned shopper, minus the basket at the front and with a shoebox-sized battery at the back. The motor sits on the rear hub, and is connected via a chain to the pedals in case extra power is needed and via cables to a twist-grip “”hrottle””on the handlebars. The saddle is broad and comfortable, and there is front and rear suspension. It’s sturdy and solid. Built, I thought uncharitably, for comfort not speed.”

Read the rest of the article at Ultra Motor’s A2B Metro electric bike.

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Ever Thought of Riding a Unicycle?

Ever Thought of Riding a Unicycle?

If bending over to grasp the handlebars of your ebike gives you back aches, or causes your hands to get sore, consider riding a unicycle. Especially when you can get one that is electric-powered.

What’s also nice about the unicycle, is that it will recharge the battery as you ride it downstairs.

Read more at An Electric Unicycle that Recharges while Rolling Downhill.

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St. John’s High School Students Designing Electric Bikes

St. John’s High School Students Designing Electric Bikes

Shrewsbury, CT — Rick Connell and his engineering class at St. John’s High School have assembled an electric bike.
Connell, who teaches physics and engineering at the high school,  wanted his class to incorporate all the disciplines of engineering in their project, used a kit to convert a regular mountain bike into an electric bike.
“The students removed the front wheel and replaced it with the new electric-powered wheel and assembled a rack to hold the battery pack.  Another group of students installed the throttle switch to the handlebars.

“Everything else on the bike operates the same,” he said. “When you want to use the electric motor, you just turn the switch on the handlebars.”

This was the final project for the advanced placement engineering class. In addition to converting the bike, the students had to evaluate how the energy went in and out, and how long they could travel on it before they had to recharge, utilizing the various engineering and physics principles used by the bicycle.

“The bike is 50 percent efficient, unlike cars that are from 2 to 5 percent efficient,” the teacher said.

The electric bike can travel approximately 20 mph and can be ridden for about two hours before the battery is exhausted.

Mr. Connell said the only parts to fix on the bike are the motor, the battery and the transformer unit, while a car uses so many different parts now that it is almost impossible to maintain a vehicle yourself.

In an attempt to show his students and others that the bike is a viable commuting option, Mr. Connell is riding the bike back and forth to school.

If you find an image of this bike please contact us

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eBike Bike Lights

eBike Bike Lights


These waterproof lights can be used with virtually any ebike setup. Unlike other systems, which require either an auxilliary 6V or 12V battery or a separate DC-DC converter, these units connect directly to the main ebike pack. Highlights include:

  • Efficient and Bright The lights provide significant illumination and visibility with minimal power draw.
  • Variable input voltage All of these lights are designed with an integrated DC-DC converter so that they can be plugged into any ebike battery pack, from 24V setups up to 72V or higher.
  • Robust Construction The light housing is a single block of epoxy, rather than thin shells of die-cast plastic.
  • Waterproof These lights are fully submersible. Prolonged water exposure means…nothig to fear.
  • Made in Canada These lights are both designed and manufactured by us here in Vancouver, Canada.


The moulded LED lights are designed so that they can be readily secured to the bike tubing with a pair of zip ties. The front light sits on top of the handlebar. The rear light is secured either to the seat post or rear rack.

Wiring the Power

These bike lights need to tap into your electric bicycle battery pack for power. A small amount of custom wiring is required to hook the light into the system. Instructions for a variety of methods will come with the lights.

Wiring Switches

The regular front and rear lights do not have a built in on/off control button, so you will want to wire up a switch in series with the power going to these lights, or terminate the leads with a connector that is easy to plug in and unplug. Again, this would be customized wiring.

Power from the Wheel

If you have a direct drive hub motor (Crystalyte, Nine Continent, Wilderness Energy etc.) the hub motor itself can act as a generator and power the lights up so that you aren’t riding in the dark.

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Purdue University and its Electric Tricycle

Purdue University and its Electric Tricycle


WEST LAFAYETTE, Ind. – Athula Kulatunga, who is an associate professor of electrical engineering technology at Purdue University, has turned a tricycle into an electric powered, energy-testing machine, which he intends to use to help develop new technologies for green vehicles.

With the financial support of General Motors , Kulatunga has built a plug-in electric bicycle which is used as a learning platform for power electronics and applied research on controllers, charging devices, battery configurations and motor drives.

Kulatunga’s tricycle features a reclining seat, pedals in the front and handlebars on the side for steering. Kulatunga doesn’t believe the general public would be willing to ride it as is – it’s being used to conduct research only. The trike is powered by electric charge and can be ridden on its own or connected to a data-collection test stand, where researchers analyzes power usage and efficiency.

Kulatunga is assisted by graduate students Sandun Kuruppu and Jeremiah Dole, and undergraduates Robert Murphy, Fred Chou and Ryan Pickens.

The trike can travel up to 35 or 40 mph, because of its low center of gravity, and handles corners and turning easily. It’s run by a brushless DC motor attached to the back wheels,and powered bylead-acid batteries, located underneath the bike.

The trike is extremely energy efficient, because it is equipped with ultracapacitors, which help to capture energy that would typically be lost during such actions as braking.

An ultracapacitor “smooths out” and absorbs much of the energy, which can then be transferred to power the vehicle,” Kulatunga said. “If perfected, ultracapacitors can extend the driving distance of batteries.”

Kulatunga said further modifications to the tricycle will be made periodically as he and his students conduct further research.

Purdue’s International Rectifier Power Electronics Development and Application Lab, known as IR-PEDAL, which focuses on energy-efficiency-related applied research in three main areas: motion controls, power conversions and audio amplifiers, built the tricycle.

Current projects in the lab include working with American Electric Power to study how large power transmission fuses and capacitors behave and why they fail, developing devices to detect and communicate the failing components in the power grid, and research on how to improve the efficiency of brushless, electronically controlled DC motors that could eventually replace mechanically controlled motors.

Source: Purdue University

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Ohm’s Range of Electric Bikes

Ohm’s Range of Electric Bikes


OHM Cycles, a bike company based in Vancouver, Canada, announced on February 28, 2009 its next generation of hybrid electric-assist bicycles for 2009.

Four power packs are now available, each one designed to offer optimum power and range for every rider. According to OHM Cycles President Michael DeVisser, “The OHM Urban and Sport hybrid bicycles are a comprehensive solution for eco-friendly mobility.”.

The OHM hybrid e-bikes, which combine BionX drive technology with a Molicel Rechargeable Li-ion cell battery pack, are the first electric bicycles purpose-built for the North American market.

OHM Cycles can be ridden as a conventional bicycle ,or with pedal assist from the intelligent drive system. They have a center-mounted power pack which provides better balance and weight distribution and maintains a standard wheelbase. Because of its ightweight components and a customized power system, OHM “will send you racing up hills and around the city, with ease.”

For 2009, new features have been added:

  • 4 Power packs available – 25 to 70 miles per charge with custom OHM Quick Connect system to easily remove and recharge
  • Fast Recharge – 90% capacity in 20 minutes, fully charge in 3 hours, charge over 500 times without loss of capacity
  • Intelligent Sensor – Patented BionX torque sensor automatically responds to the way the rider pedals and provides a smooth natural sensation
  • Suntour Suspension seat post for a more comfortable ride
  • Adjustable stem and handlebars to customize riding position
  • Topeak rear carry rack with QuickTrack™ MTX

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Currie Offering Free Shipping for Limited Time

Currie Offering Free Shipping for Limited Time


‘Currie Technologies, the largest electric bike seller in the United States, is currently offering free shipping on their line of electric bikes (except for the Tricruiser, HG1000 and Sereno). This is a limited time offer (although they don’t specifiy how limited on their site!)

The bikes are shipped free only throughout the continental US, of course. They are shipped via UPS and will take an average of between 11 – 15 days to arrive.

Currie assembles, tunes and tests your bike before shipping. . It is delivered to you in a “Ride-In-Four format.”

Out of the box, you install the following components and will be ready to ride (after you charge the battery!):

  1. Install Handlebars
  2. Install Front Wheel
  3. Install Seat and Seat Post
  4. Install Pedals

They also, of course, include a detailed Quick Start Guide .

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I-Zip EZgo Folding Bike

I-Zip EZgo Folding Bike


I-Zip EZgo

The Currie Izip EZGO is a quality folding bike with an electric motor that will help you with your pedalling power for 18 to 25 miles and speeds up to 18 mph (depending on rider weight).

It’s available from <a href=”http://www.amazon.com/iZip-EzGo-Electric-Folding-Bicycle/dp/B0017K4WO2“>Amazon</a> for $649. The bike’s home page is <a href=”http://www.currietech.com/”>here</a>.

If you don’t feel like pedalling at all, t he EZGo will take you a distance of 10 miles on its electric charge. If you pedal as well, you can go for 18 to 25 miles with speeds up to 18 mph.

The EZgo has a simple twist throttle with a battery gauge, and the wheels are 16″ heavy duty alloy with stainless steel spokes. There is an integrated rear carrier for storage. Because it’s a folding bike, it’s easy to store.

The frame is crafted out of 6061 aluminum and the fork features suspension.


  • Compact folding design
  • Perfect for taking with you – boats, RVS, Commuting
  • Clean Electric Hybrid with human Pedal Assistance
  • SLA Battery, easy to charge or swap
  • Easy to use and simple to operate

Full Specs:

  • Motor: Exclusive Geared Brushless DC Hub Motor
  • Battery: EV Rated SLA Type Plug and Play Design 24V/12AH Pack (2) 12V / 12AH Valve regulated, rechargeable
  • Charge SYstem: UL Listed Currie Smart Charger with LED Status Display
  • Controller: Exclusive Currie Electro Drive 24 Volt Fully Potted
  • Top Speed: Up to 18 mph / 29 kph (rider weight contingent)
  • Range: Up to 18 – 25 Miles / 29 – 40 km with normal pedaling (rider weight contingent)
  • Drive: Exclusive Currie Geared Hub Motor System
  • Brakes: Alloy Linear Pull Front with Rear Band Brake with alloy/resin brake inhibit levers
  • Wheels: Heavy Duty Alloy 16″ x 1.75″ rims with stainless steel spokes
  • Tires: Currie E-Street 16″ x 1.75″
  • Handlebars: Alloy Folding Adjustable Bars with Kraton Grips
  • Fork: Suspension
  • User Controls: Twist Throttle with battery gauge, Power On/Off Switch and Easy Access charger port
  • Saddle: GS Comfort Suspension and Alloy Q/R post
  • Frame: Exclusive Currie Folding Design with 6061 Aluminum Frame with integrated rear carrier
  • Crank and Pedals: Alloy 44T Crankset w/PSA function; full chainguard and folding pedals
  • Net Weight: 53 pounds

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Styling Marrs Cruizer Electric Bike

Styling Marrs Cruizer Electric Bike

Marrs Cruizer Electric Bike Review

Despite the big corporates increasingly flexing their muscle around all things electric and 2-wheeled, the e-bike scene remains one lit up by real people, with their very real passions and stories. And they don’t come much more devoted and passionate than Kacy Marrs and Brad Fanshaw – especially when it comes to spreading the gospel of the joys of electric ‘cruizin’ on their custom-made machines.

Their boutique e-bike foundry, Marrs Cycles – established back in 2007 – claims to be the creator of THE electric beach cruiser – or as they have newly-monickered it, the Marrs M-1. And there’s no doubt: their creation is a bike that bleeds laid-back cruising and sand-spraying antics from every pore. It is also an e-bike stamped with an idiosyncratic vision, all classic motorcycle stylings and fatter-than-thou tires, amply show-casing Marrs’ unswerving commitment to hand-crafting. A real potential leader of the pack.

The ultimate cruiser?

Standing out from the pack is something that long-time biker, Kacy Marrs has made a career out of. He has a long history of riding bikes, but has often gotten an ‘itchy saddle’. He started out in the BMX scene, then hopped over to Motocross, before getting into his cruising groove, with classic Harleys. Sadly, an accident during a half-time freestyle Motocross show (put on for the NHRA) left him injured, and out of the saddle for several months.

It was while he was taking time-off, to recover those injuries, that Kacy began working on the idea of fabricating his own e-cycles. He had always loved the classic 30′s and 40′s motorcycle styling, and decided to incorporate their timeless looks, and easy-rider lifestyle, into his new electric bike design. And by integrating actual motorcycle components into his bikes, Marrs has managed to give
the M1 a traditional look-and-feel – some would argue the ultimate cruiser look – for the modern electric era.

Brad brings the Rock-n-roll

His partner, Brad Fanshaw, comes to the enterprise from the other end of race-track. Brad was an early innovator in the automotive ‘after-market’ – the now-flourishing hot-rod and custom wheel market: big on performance, as well as rock-n-roll flash and fury. Indeed, many have credited Fanshaw with playing a crucial role in creating today’s all-conquering rockabilly-on-four- wheels ‘automotive lifestyle’.

He currently owns Bonneville Worldwide, together with Michael Anthon (bassist with Van Halen) which was founded in 1996. Bonneville manufactures a plethora of luxury products, with an automotive styling, including Bonspeed wheels, gauges and clothing. But with his eye for style and ground-breaking innovation, Brad was inevitably drawn to what Marrs had planned for the e-bike scene.

Cruising by numbers

So what do you get for your $7500? Well, the first point to make is that no-one said that ‘class’ should come cheap. Marrs Cycles are no cookie-cutter production line. Each bike build is custom, with Marrs tooling their cruisers – in their workshop tucked away in Anaheim, Southern California – according to each

customer’s requirements. That means you get a real hand-crafted experience, wrapped in a whole packet of devotion, for all those dollars. But moving beyond the intangible, to the steel and rubber, what is it that makes the M1 tick?

Each Marrs M1 cruiser is back-boned by a hand-crafted 4130 ChroMoly frame, ditto for the handlebars and the leaf-spring front: this suggests a bike that is built with strength and quality uppermost in mind. Snapped onto this firm foundation are a series of top-notch motorcycle components. Those stand-out M1 wheels are built up from Excel rims, with 10-gauge motorcycle spokes, and a pair of gorgeous Metzeler motorcycle tires completing this bikes ‘boots’.

Motoring from Marrs

Power hits the rear wheel through a 3-phase brushless rear hub-motor system, which slugs out 700 Watts of cruising power. That’s more than enough to move the needle up to the legal 20mph notch, quick time (although off-the-road, and on the beach, Marrs claim to have slid their modified M1′s to 30mph and beyond). It is twitched into action by a handle-mounted throttle.

The motor is driven by a 48V, 15Ah Lithium battery, which is concealed in a classy real wood-veneer battery box (or alternatively in a cool jet black housing)). However, the hefty weight of this bike – 140 pounds – sadly limits your cruising to a less-than-horizon-shattering 20 miles (32km), between charges. But that should be enough to get you plenty of runs up and down the beach.

The M1, naturally enough for an e-bike, sports a pair pedals, hooked up to a single rear-gear system. The glistening chain-line may look great – nice and clean, and complementing perfectly the long lean lines of the bike. But the foot-powered drive system is furnished with zero motor assist. So it doesn’t take much imagination to see a cruise on the Marrs turning into something of a troublesome toil, when you’re forced to pull all of its 140 pounds around, without a motor.

The M1 comes kitted with Avid 4-piston hydraulic brakes to the front, and a large 9-inch rotor to the rear. Rounding out the motorcycle cruiser experience is a Springer solo motorcycle seat, complete with chunky chrome springs.

A bike with a story

So is the Marrs M1 for you? That depends on whether you’re looking for an e-bike that pushes all the right numbers out, or for something with a little more soul. The Marrs M1 has plenty of the latter. Its low-slung good looks will get you plenty of admiring glances. It works well for slicing the beach up, and for taking your cruising out to where no gas bike could easily go. And this is a bike made by bikers, not robots.

But more than that, owning a Marrs is buying into a little piece of passion, a little slice of history. With the M1 slung beneath you, you could find yourself adding your own chapter or two of easy-riding to the ongoing Marrs story.


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The Force is with OB1

The Force is with OB1

Optibike OB1

Optibike OB1

Optibike Signature electric bike the OB1 is fast, balanced and light. the OB1 features:  carbon fiber handlebars, brakes, derailleur, chainring, and even cable ferrules.  The Motorized Bottom Bracket:  Oil cooled, 850 continuous watts!

The bike won’t surprise you by running out of power on long rides, with a fully integrated, wireless PDA provides real time data on battery state of charge, motor temperatures, and expected range and also GPS satellite navigation. The TAG Wheels are made from a DuPont resin.

Visit the website

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