Controllers for brushless motors: E-bikes require high initial torque and therefore models that use brushless motors typically have Hall sensor commutation for speed and angle measurement. An electronic controller provides assistance as a function of the sensor inputs, the vehicle speed and the required force. The controllers generally allow input by means of potentiometer or Hall Effect twist grip (or thumb-operated lever throttle), closed-loop speed control for precise speed regulation, protection logic for over-voltage, over-current and thermal protection. Bikes with a pedal assist function typically have a disc on the crank shaft featuring a ring of magnets coupled with a Hall sensor giving rise to a series of pulses, the frequency of which is proportional to pedaling speed. The controller uses pulse width modulation to regulate the power to the motor. Sometimes support is provided for regenerative braking but infrequent braking and the low mass of bicycles limits recovered energy. An implementation is described in an application note for a 200 W, 24 V Brushless DC (BLDC) motor.[43]

Cape Fear Community College students are utilizing the E-BikeKit™ electric bike kit in the designing and building of their own electric bicycles!   ORIGINAL ARTICLE POSTED by the Port City Daily staff "CFCC student-built electric bikes to be in Azalea Fest parade Some innovative designs by Cape Fear Community College students will be featured in this year’s N.C. Azalea Festival. For the past year, students in CFCC’s mechanical engineering program have been hard...


Stealth Electric Bikes redefine the ride experience. With a top speed of 30 mph (Fighter) and 50 mph (Bomber) in virtual silence, they are the toughest and most powerful hybrid electric bikes available anywhere in the world. Stealth bikes combine cutting edge technology with pedal power allowing the rider to experience the freedom, silence and agility of a mountain bike, with the acceleration, speed and thrill of a dirt bike.
Visually, the Pedego City Commuter Classic Electric Bike is stunning – a smart blend of yesteryear's style and today's technology. Pleasantly high handlebars, a sprung seat, and lovely Schwalbe Fat Frank tires make it very comfortable. Stopping is taken care of by powerful disk brakes, front and rear. Lights are included, as is a useful cargo rack. From an e-bike standpoint, the Pedego Classic City Commuter sports a reliable, hub-mounted motor driven by a 36-volt, 10-amp battery. There's a digital display with a trip computer, odometer, speedometer, pedal assist level, and battery charge information.
10. Limitation of Liability: By entering you agree to release and hold harmless Electric Bike Technologies LLC and its subsidiaries, affiliates, advertising and promotion agencies, partners, representatives, agents, successors, assigns, employees, officers and directors from any liability, illness, injury, death, loss, litigation, claim or damage that may occur, directly or indirectly, whether caused by negligence or not, from (i) such entrant's participation in the sweepstakes and/or his/her acceptance, possession, use, or misuse of any prize or any portion thereof, (ii) technical failures of any kind, including but not limited to the malfunctioning of any computer, cable, network, hardware or software; (iii) the unavailability or inaccessibility of any transmissions or telephone or Internet service; (iv) unauthorized human intervention in any part of the entry process or the Promotion; (v) electronic or human error which may occur in the administration of the Promotion or the processing of entries.

Cape Fear Community College students are utilizing the E-BikeKit™ electric bike kit in the designing and building of their own electric bicycles!   ORIGINAL ARTICLE POSTED by the Port City Daily staff "CFCC student-built electric bikes to be in Azalea Fest parade Some innovative designs by Cape Fear Community College students will be featured in this year’s N.C. Azalea Festival. For the past year, students in CFCC’s mechanical engineering program have been hard...
If you want it to, an e-bike can replace a car, which is better for good ol' Mother Earth. Weinart says many young professionals are now seeking a "car-free" or "car-lite" lifestyle. In fact, 65 percent of people said replacing car trips was the main reason for getting an e-bike, according to a recent report. Accessories, such as racks, baskets, fenders, and even cargo e-bikes (for toting groceries or kiddos) are all available to make commuting by bike easier and more comfortable.
Incorporating a wide variety of drive system, control and battery technologies across their product line, Currie provides good bang-for-the-buck across a wide price range. EZIP bikes and scooters carry a six-month warranty and IZIP bikes carry a two-year warranty. For additional details and to view the entire range of products, visit the Currie Tech (Now IZIP website (http://www.izipusa.com/ ).
Back to the bike. I’ve gotta be honest, it doesn’t look half bad. The battery fits into the downtube, which is way better than those crazy brackets you see on cheap ebikes. The welds are also smoothed over, like an old Aluminum Cannondale. The drivetrain is a mix of parts, with Shimano Altus in the rear. Altus is a mountain bike groupset, but on the very low end.
DRIVE MOTOR  The EcoBike is powered by an innovative hub-mounted, brushless permanent magnet motor with a triple planetary gear drive system and proprietary heat resistant materials.  The propulsion system delivers the highest torque and is the quietest in its class.  The drive motor is nominally rated for continuous output at 360 watts (Elegance & Adventure) and 290 watts (Vatavio).
Is it worth $1700? I’ll let you be the judge. I don’t have a lot of experience with commuter ebikes so I don’t know how it compares. I do know that most of the ebike conversions I’ve seen look like science experiments. The Buffalo could pass for a normal bike, and look a little more accessible to a first time ebike user. So, although I’m not planning on riding this, I am planning on using it. So I’ll keep it around for a while and let you guys know what I think long term.
Comfort. Like any other type of bike the electric bike should offer you a comfortable ride. All general components such as, saddle, handlebars, the geometry of the frame should put you in a comfortable position. If the bike doesn’t satisfy these criteria it’s certainly not the best electric bike on the market. After all you’re going to spend quite a lot of time riding it, so you might as well look for a more comfortable solution.
For an overview of Stark Drive Electric Bike, its features and our story click above. Our passion for biking and our determination to take electric bikes mainstream have driven us to create the world’s most affordable electric bike. As technology improves, so will Stark Drive with the caveat that we will always offer the most affordable electric bikes in the world.
Electric Bike Conversion Kits are prepackaged sets of components designed to fit on a normal bike and convert it into an Electric Bike. These kits make it easier for end-users to find compatible, functioning parts and purchase them all together. A kit can range from a complete system that includes all the small parts you need, to DIY kits that include only a few parts and leave the rest up to the user.
Bicycles have long been one of the most popular modes of transportation and, in a time where environmental friendless and health are top of mind, the popularity of bicycles shows no signs of slowing down. For many bicycle enthusiasts, an electric bike is the best of both worlds (get where you're going faster and not winded) and with a range of choices and designs available, we've helped narrow down the best models on the market today.

Adam Boesel, inventor of the UpCycle Ecocharger, is using Electric Bike Tech hub motors and working with GM and Chevrolet to build bicycle generators featured at the 2015 Pan Amercian Games!   Adam Boesel is using Electric Bike Technologies hub motors on bicycles that generate electricity! Now General Motors has taken his idea to the 2015 Pan American Games and is using them to show people how PLAY can literally...


Designed for the same maneuverability as a non-electric bike, this roughly $3,000 model designed for the city can handle hills and distance. Using a Bosch motor for 100-mile cycling on flat or hilly terrain and a lightweight aluminum frame, the Dutch-made Gazelle model aims for a “sporty posture” and “precise cycling performance” in a robust offering.
{"id":466985713703,"title":"SONDORS Original (In-Stock US\/Canada Only)","handle":"sondors-original-us-canada-only","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eWith its spectacular, knobby, all-terrain tires, SONDORS Original provides all-around comfort and sturdy confidence. Whether you’re commuting to work, meeting friends, or out exploring nature, SONDORS Original steals the show. This eye-catching versatility matched with the lowest price tag in the industry has led SONDORS Original to become the best-selling electric bike in the United States. \u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cb\u003eORIGINAL FRAME\u003c\/b\u003e\u003cbr\u003e\n\u003cp\u003eSONDORS Original durable steel, 17.75” frame is one-size-fits-most.\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL BATTERY AND UPGRADE OPTION\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eSONDORS Original includes a 36V 8.7 Ah lithium-ion battery and charger. SONDORS Original is also available with an optional 36V 12.8 Ah lithium-ion battery upgrade. This upgrade offers a more powerful version of the SONDORS Original by extending your ride with a 20-30% increase in range, and greater torque to further enhance your hill-climbing, acceleration, and towing capacity*. \u003c\/p\u003e\n\u003cp\u003e*Both range and power increase estimates are contingent upon rider and towing weight, wind speed and terrain.\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL MOTOR\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original totes a 350W motor, providing more than enough to power your daily commute, a cruise on the beach, or a meander along your favorite trail. And with speeds up to 20 mph, SONDORS Original will get you there swiftly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL TIRES\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original is a showstopper - and its legendary, all-terrain tires are more than the reason. Measuring in at a chunky 26 x 4.9 inches, SONDORS Original tires keep it sturdy and versatile while conquering pavement, sand, dirt or snow.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eORIGINAL FRONT SUSPENSION UPGRADE OPTION\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eA high-performance, shock-absorbing, non-adjustable, front suspension fork can be yours to take your SONDORS Original riding comfort to the next level. You can expect better handling, improved cornering capabilities, and an overall smoother riding experience. (*Please note: adding suspension fork can increase overall weight by approximately 10lbs.) \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL LCD SCREEN UPGRADE INCLUDED\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eThe 2018 SONDORS Original comes standard with LCD screen upgrade - this feature supplies five levels of electric pedal assist plus added torque for increased hill-climbing power, greater range, and improved towing capacity. In addition, the LCD screen provides a digital display offering accurate battery level and distance traveled.\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL RANGE\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eWith the use of the included SONDORS Original 36V 8.7 Ah lithium-ion battery along with electric pedal assist, many riders can experience a varied battery range of up to 25-40 miles*. When using straight electric power (without pedaling), the range can fluctuate to up to 20 miles*. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSONDORS Original, 36V 12.8 Ah battery upgrade provides an approximate increase in range of up to 30 miles* straight electric and up to 58 miles* using electric pedal assist.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Both range estimates are contingent upon rider and towing weight, riding style, wind speed and terrain. \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL WEIGHT\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original is built with endurance and adaptability in mind. It means business with its all-steel frame, all-terrain tires, and readiness to vanquish nearly any landscape. SONDORS Original has been known to inspire confidence as it rolls in with conviction at a total approximate weight of 60 pounds (depending on configuration*).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL SHIPPING AND DELIVERY\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eYou can rest assured, each component of your new SONDORS is carefully wrapped in heavy-duty protective materials and packed with love in our famous SONDORS ultra-thick, 7-layered \"motorcycle-grade\" box. The purchase of your new SONDORS includes hand delivery to your door via U.P.S. ground shipping for oversized packages within the contiguous United States.\u003c\/p\u003e\n\u003cp\u003ePLEASE NOTE: Shipments to Alaska, Hawaii and Canada will incur an extended area surcharge at checkout. 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SONDORS Electric Bikes","width":4936,"height":2875,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_Blue_Susp_R_Side.JPG?v=1530108313","variant_ids":[6559062720551]},"available":true,"name":"SONDORS Original (In-Stock US\/Canada Only) - Blue \/ 36V 12.8 Li-ion Battery\/Suspension Fork","public_title":"Blue \/ 36V 12.8 Li-ion Battery\/Suspension Fork","options":["Blue","36V 12.8 Li-ion Battery\/Suspension Fork"],"price":106900,"weight":136078,"compare_at_price":null,"inventory_quantity":3,"inventory_management":"shopify","inventory_policy":"deny","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/White_Black_Original.jpg?v=1530108313","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_BMatte_R_Side_93212509-9adc-4cac-aef5-d4a15d841d26.jpg?v=1530108313","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_Blue_R_Side.jpg?v=1530108313","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_White_Susp_R_Side.jpg?v=1530108313","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_BMatte_Susp_R_Side.JPG?v=1530108313","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_Blue_Susp_R_Side.JPG?v=1530108313","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_Charcoal_Susp_R_Side.JPG?v=1530108313","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Fat_Charcoal_R_Side.JPG?v=1530108313"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/White_Black_Original.jpg?v=1530108313","options":["Color","Description"],"content":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eWith its spectacular, knobby, all-terrain tires, SONDORS Original provides all-around comfort and sturdy confidence. Whether you’re commuting to work, meeting friends, or out exploring nature, SONDORS Original steals the show. This eye-catching versatility matched with the lowest price tag in the industry has led SONDORS Original to become the best-selling electric bike in the United States. \u003c\/p\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cb\u003eORIGINAL FRAME\u003c\/b\u003e\u003cbr\u003e\n\u003cp\u003eSONDORS Original durable steel, 17.75” frame is one-size-fits-most.\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL BATTERY AND UPGRADE OPTION\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eSONDORS Original includes a 36V 8.7 Ah lithium-ion battery and charger. SONDORS Original is also available with an optional 36V 12.8 Ah lithium-ion battery upgrade. This upgrade offers a more powerful version of the SONDORS Original by extending your ride with a 20-30% increase in range, and greater torque to further enhance your hill-climbing, acceleration, and towing capacity*. \u003c\/p\u003e\n\u003cp\u003e*Both range and power increase estimates are contingent upon rider and towing weight, wind speed and terrain.\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL MOTOR\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original totes a 350W motor, providing more than enough to power your daily commute, a cruise on the beach, or a meander along your favorite trail. And with speeds up to 20 mph, SONDORS Original will get you there swiftly.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL TIRES\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original is a showstopper - and its legendary, all-terrain tires are more than the reason. Measuring in at a chunky 26 x 4.9 inches, SONDORS Original tires keep it sturdy and versatile while conquering pavement, sand, dirt or snow.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eORIGINAL FRONT SUSPENSION UPGRADE OPTION\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eA high-performance, shock-absorbing, non-adjustable, front suspension fork can be yours to take your SONDORS Original riding comfort to the next level. You can expect better handling, improved cornering capabilities, and an overall smoother riding experience. (*Please note: adding suspension fork can increase overall weight by approximately 10lbs.) \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL LCD SCREEN UPGRADE INCLUDED\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eThe 2018 SONDORS Original comes standard with LCD screen upgrade - this feature supplies five levels of electric pedal assist plus added torque for increased hill-climbing power, greater range, and improved towing capacity. In addition, the LCD screen provides a digital display offering accurate battery level and distance traveled.\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL RANGE\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eWith the use of the included SONDORS Original 36V 8.7 Ah lithium-ion battery along with electric pedal assist, many riders can experience a varied battery range of up to 25-40 miles*. When using straight electric power (without pedaling), the range can fluctuate to up to 20 miles*. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSONDORS Original, 36V 12.8 Ah battery upgrade provides an approximate increase in range of up to 30 miles* straight electric and up to 58 miles* using electric pedal assist.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Both range estimates are contingent upon rider and towing weight, riding style, wind speed and terrain. \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL WEIGHT\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original is built with endurance and adaptability in mind. It means business with its all-steel frame, all-terrain tires, and readiness to vanquish nearly any landscape. SONDORS Original has been known to inspire confidence as it rolls in with conviction at a total approximate weight of 60 pounds (depending on configuration*).\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eORIGINAL SHIPPING AND DELIVERY\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003eYou can rest assured, each component of your new SONDORS is carefully wrapped in heavy-duty protective materials and packed with love in our famous SONDORS ultra-thick, 7-layered \"motorcycle-grade\" box. The purchase of your new SONDORS includes hand delivery to your door via U.P.S. ground shipping for oversized packages within the contiguous United States.\u003c\/p\u003e\n\u003cp\u003ePLEASE NOTE: Shipments to Alaska, Hawaii and Canada will incur an extended area surcharge at checkout. (Alaska and Hawaii: $59.00 \/ \u003cspan\u003eCanada: $99.00 USD)\u003c\/span\u003e\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cspan style=\"color: #990000;\"\u003e\u003cstrong\u003eIMPORTANT:\u003c\/strong\u003e All SONDORS shown here are available for delivery in \u003cstrong\u003eU.S. and Canada ONLY. \u003c\/strong\u003e\u003cspan color=\"#c92323\"\u003eFor SONDORS available in E.U., Norway and Switzerland, visit \u003c\/span\u003e\u003cstrong\u003e\u003cspan color=\"#c92323\"\u003e\u003ca href=\"https:\/\/sondors.com\/collections\/europe\" style=\"color: #990000;\"\u003eSONDORS Europe Collection\u003c\/a\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e"}
The Patriot DreamE results from the combination of the popular Day 6 bicycle with the Kinetic8-Fun mid-drive motor kit. The unique Day 6 styling eliminates leaning forward, so you sit perfectly upright. That means there is no more stress on wrists, neck, back, and crotch. It also means a superior breathing position and a better way to enjoy the scenery. The step-through design makes for easy mounts and dismounts, while the low seat allows the rider to reach the ground with both feet for stability and safety.

Of course the specs are nuts. Shimano Deore XT Shadow+ drivetrain, Magura MT4 hydraulic disc brakes, Mach 1 rims, and Schwalbe G-One tires make this not only an incredible commuter, but really a solid racing bike if you want to challenge another ebiker. The G-One tires I just love. They’re slick enough to keep you up to speed, but have a good amount of knobiness so that you can handle bad weather.


It really is a simple e-bike, and while I could go on about the frame (aluminium), and the weight (very light), the experience of using this bike for a few days is more interesting. While it feels like a less high-tech product than others in this list (no gears; a shorter battery life of 30 miles; two modes not three), it basically retails at half the price as those competitors – and I certainly didn't find it to be half as good.

The Nuvinci hub system is the best geared hub that I have ever used. There is literally no maintenance to be done on this drivetrain. I’d recommend buying it with the Gates Carbon belt because you’ll never run into issues like the chain falling off. You operate the Nuvinci system with a grip shifter and can of course shift even when you’re not moving.
I have cerebral palsy and have used a powerchair since I was three.... About a year and a half ago I applied for a grant from the Challenged Athlete Foundation for a handcycle. While I was waiting for letters to go out I worked out at the gym. I was talking to my trainer about handcycles. I explained that because all of the weight was behind the drive wheel in...
It's what's inside your motor that sets it apart from the rest. Quality parts and assembly We've written here before about how to choose a motor, the different types of motors, the performance differences between motors, etc. But today I want to show you what makes our motors different from other hub motors. Today, harry is replacing the axle on a customer's direct-drive motor. The bike was crashed and the...
This bike is named the GSD because with it you can Get Stuff Done. Twenty-inch wheels keep the center of gravity low so heavy payloads—it's rated up to 400lbs—are easy to balance and a short (for a cargo bike) 70-inch wheelbase, similar to a standard single bike, make the GSD easy to maneuver. Designed with the urban commuter in mind, the bike can easily break down to 60 percent of its original size to fit into the back of a car and the rear rack doubles as a stand that allows it to stand upright to minimize space inside tight apartments. Put two child seats on the back and take the family along, or drop the seat and let you kid take the bike out himself—anyone from 4'10" to 6'5" can ride this bike. Last but not least, the GSD gives you the option of adding a second battery to extend your range up to about 150 miles on a single charge.
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