Glenn has over 15 years of experience building bicycle wheels and has worked for and with the local cycling community in the Philadelphia area for the past 20 years. Glenn is in charge of all wheel building activities at E-BikeKit and oversees quality control on wheels built in the Newportville, PA location. Since joining E-BikeKit in early 2010 Glenn has had a huge impact on the success of the company...
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]
And then add in all of the other e-bike parts including motors, batteries, throttles, speed controllers, etc. All of these parts are mass-produced in China. They simply aren’t available in the US and no one is designing them or manufacturing them. The US would likely have to start by reverse engineering the Chinese products and learning how they produce them. How’s that for irony?

In a friction drive motor, a small, solid wheel rotates against the side of the tire in order to drive it. The first motorcycles used the same concept, with a motor mounted above the front wheel. The problem is that the drive rubs at the side of the tire. It's inefficient, and it quickly wears the sidewall away. Tires need to be replaced every couple hundred miles. For this reason, you'll seldom see electric bikes with this type of drive anymore.
{"id":1455237791810,"title":"SONDORS Original (EARLY NOVEMBER SHIPPING - US\/Canada Only)","handle":"sondors-original-us-canada-shipping-oct18","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, and is \u003cspan style=\"color: #990000;\"\u003eavailable now with SHIPPING IN EARLY NOVEMBER\u003c\/span\u003e. 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 one of the best-selling electric bikes in the United States. \u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #990000;\"\u003eOrder now and receive your SONDORS Original in early November 2018.\u003c\/span\u003e\u003c\/strong\u003e\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\n\u003cp\u003eSONDORS Original durable aluminum, 17.75” frame is one-size-fits-most.\u003c\/p\u003e\n\u003cb\u003eORIGINAL BATTERY\u003c\/b\u003e\n\u003cp\u003eSONDORS Original includes a 36V 8.7 Ah lithium-ion battery and charger. \u003c\/p\u003e\n\u003cb\u003eORIGINAL MOTOR\u003c\/b\u003e\n\u003cp\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\/p\u003e\n\u003cstrong\u003eORIGINAL \u003c\/strong\u003e\u003cstrong\u003e7-SPEED \u003c\/strong\u003e\u003cstrong\u003eSHIFTER \u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003cp\u003eGenuine Shimano® 7-Speed gear cassette with grip shifter. This feature gives SONDORS Original an additional 7 gears for increased hill-climbing power, further range variation, and greater terrain adaptability. It’s like getting two SONDORS in one.\u003c\/p\u003e\n\u003cb\u003eORIGINAL TIRES\u003c\/b\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\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cb\u003eORIGINAL LCD SCREEN\u003c\/b\u003e\n\u003cp\u003eSONDORS 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, speed and distance traveled.\u003c\/p\u003e\n\u003cb\u003eORIGINAL RANGE\u003c\/b\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\u003cp\u003e*Range estimates are contingent upon rider and towing weight, riding style, wind speed and terrain. \u003c\/p\u003e\n\u003cb\u003eORIGINAL WEIGHT\u003c\/b\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original is built with endurance and adaptability in mind. It means business with its aluminum 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cb\u003eORIGINAL \u003c\/b\u003e\u003cstrong\u003eSHIPPING AND DELIVERY INCLUDED (NOVEMBER 2018)\u003c\/strong\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\u003e\u003cspan style=\"color: #990000;\"\u003e\u003cstrong\u003ePLEASE NOTE:\u003c\/strong\u003e Shipments to Alaska, Hawaii and Canada will incur an extended area surcharge at checkout. (Alaska and Hawaii: $59.00 \/ Canada: $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","published_at":"2018-07-22T11:41:20-07:00","created_at":"2018-07-16T07:04:22-07:00","vendor":"SONDORS Electric Bikes","type":"Electric Bike","tags":["350w","36v","7-speed","aluminum","Battery","bike","genuineshimano","ion","lithium","lithiumion","sondors","tire"],"price":89900,"price_min":89900,"price_max":89900,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":12717473824834,"title":"Black Matte \/ Black","option1":"Black Matte \/ Black","option2":null,"option3":null,"sku":"357","requires_shipping":true,"taxable":true,"featured_image":{"id":3894809657410,"product_id":1455237791810,"position":1,"created_at":"2018-07-23T03:22:49-07:00","updated_at":"2018-10-01T05:51:00-07:00","alt":"SONDORS Original (EARLY NOVEMBER SHIPPING - US\/Canada Only) - SONDORS Electric Bikes","width":1024,"height":650,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Original_7_-_Black-Black.jpg?v=1538398260","variant_ids":[12717473824834]},"available":true,"name":"SONDORS Original (EARLY NOVEMBER SHIPPING - US\/Canada Only) - Black Matte \/ Black","public_title":"Black Matte \/ Black","options":["Black Matte \/ Black"],"price":89900,"weight":136078,"compare_at_price":null,"inventory_quantity":39,"inventory_management":"shopify","inventory_policy":"deny","barcode":""},{"id":12717478576194,"title":"White \/ Black","option1":"White \/ Black","option2":null,"option3":null,"sku":"358","requires_shipping":true,"taxable":true,"featured_image":{"id":3894809722946,"product_id":1455237791810,"position":2,"created_at":"2018-07-23T03:22:52-07:00","updated_at":"2018-10-01T05:51:00-07:00","alt":"SONDORS Original (EARLY NOVEMBER SHIPPING - US\/Canada Only) - SONDORS Electric Bikes","width":1024,"height":650,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Original_7_-_White-Black.jpg?v=1538398260","variant_ids":[12717478576194]},"available":true,"name":"SONDORS Original (EARLY NOVEMBER SHIPPING - US\/Canada Only) - White \/ Black","public_title":"White \/ Black","options":["White \/ Black"],"price":89900,"weight":136078,"compare_at_price":null,"inventory_quantity":41,"inventory_management":"shopify","inventory_policy":"deny","barcode":""},{"id":12717478608962,"title":"Silver \/ Blue","option1":"Silver \/ Blue","option2":null,"option3":null,"sku":"359","requires_shipping":true,"taxable":true,"featured_image":{"id":3894809690178,"product_id":1455237791810,"position":3,"created_at":"2018-07-23T03:22:51-07:00","updated_at":"2018-10-01T05:51:00-07:00","alt":"SONDORS Original (EARLY NOVEMBER SHIPPING - US\/Canada Only) - SONDORS Electric Bikes","width":1024,"height":650,"src":"https:\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Original_7_-_Silver-Blue.jpg?v=1538398260","variant_ids":[12717478608962]},"available":true,"name":"SONDORS Original (EARLY NOVEMBER SHIPPING - US\/Canada Only) - Silver \/ Blue","public_title":"Silver \/ Blue","options":["Silver \/ Blue"],"price":89900,"weight":136078,"compare_at_price":null,"inventory_quantity":22,"inventory_management":"shopify","inventory_policy":"deny","barcode":""}],"images":["\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Original_7_-_Black-Black.jpg?v=1538398260","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Original_7_-_White-Black.jpg?v=1538398260","\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Original_7_-_Silver-Blue.jpg?v=1538398260"],"featured_image":"\/\/cdn.shopify.com\/s\/files\/1\/1439\/6088\/products\/Original_7_-_Black-Black.jpg?v=1538398260","options":["Color"],"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, and is \u003cspan style=\"color: #990000;\"\u003eavailable now with SHIPPING IN EARLY NOVEMBER\u003c\/span\u003e. 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 one of the best-selling electric bikes in the United States. \u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color: #990000;\"\u003eOrder now and receive your SONDORS Original in early November 2018.\u003c\/span\u003e\u003c\/strong\u003e\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\n\u003cp\u003eSONDORS Original durable aluminum, 17.75” frame is one-size-fits-most.\u003c\/p\u003e\n\u003cb\u003eORIGINAL BATTERY\u003c\/b\u003e\n\u003cp\u003eSONDORS Original includes a 36V 8.7 Ah lithium-ion battery and charger. \u003c\/p\u003e\n\u003cb\u003eORIGINAL MOTOR\u003c\/b\u003e\n\u003cp\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\/p\u003e\n\u003cstrong\u003eORIGINAL \u003c\/strong\u003e\u003cstrong\u003e7-SPEED \u003c\/strong\u003e\u003cstrong\u003eSHIFTER \u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003cp\u003eGenuine Shimano® 7-Speed gear cassette with grip shifter. This feature gives SONDORS Original an additional 7 gears for increased hill-climbing power, further range variation, and greater terrain adaptability. It’s like getting two SONDORS in one.\u003c\/p\u003e\n\u003cb\u003eORIGINAL TIRES\u003c\/b\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\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cb\u003eORIGINAL LCD SCREEN\u003c\/b\u003e\n\u003cp\u003eSONDORS 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, speed and distance traveled.\u003c\/p\u003e\n\u003cb\u003eORIGINAL RANGE\u003c\/b\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\u003cp\u003e*Range estimates are contingent upon rider and towing weight, riding style, wind speed and terrain. \u003c\/p\u003e\n\u003cb\u003eORIGINAL WEIGHT\u003c\/b\u003e\n\u003cp\u003e\u003cspan\u003eSONDORS Original is built with endurance and adaptability in mind. It means business with its aluminum 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.\u003c\/span\u003e\u003c\/p\u003e\n\u003cb\u003eORIGINAL \u003c\/b\u003e\u003cstrong\u003eSHIPPING AND DELIVERY INCLUDED (NOVEMBER 2018)\u003c\/strong\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\u003e\u003cspan style=\"color: #990000;\"\u003e\u003cstrong\u003ePLEASE NOTE:\u003c\/strong\u003e Shipments to Alaska, Hawaii and Canada will incur an extended area surcharge at checkout. (Alaska and Hawaii: $59.00 \/ Canada: $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"}
Propel is a Brooklyn based electric bike shop serving NYC and beyond. We work with many electric bicycle brands including Felt, Specialized, Easy Motion, Cannondale, Riese & Müller, Stromer, Bulls, Haibike, Focus, Kalkoff, Moustache, Xtracycle and more. We carry many types of including fast electric bikes, electric cargo bikes, electric folding bikes and electric mountain bikes. Feel free to reach out if you have any questions about ebikes we’re excited to help this movement grow.
Unlike most e-bikes, the Brompton's battery is integrated into a bag that sits on the front of the bike. While that detracts slightly from the classic, streamlined design, it's handy as it can be unclipped for charging or riding as a regular bike – it's probably one of the easiest to ride without battery assistance thanks to its weight. The battery also powers two lights for safe commuting. 

Even though it’s a hefty amount of money to fork over upfront, LaLonde says you’ll likely save money in the long run. If you use public transportation, do the math to see how much you could save over time. If you choose an e-bike over a car, you’re foregoing auto maintenance, gas, insurance, parking fees, and potential tickets, LaLonde adds. “So while there’s sticker shock for a first-time bike buyer, it can still be cost-effective.”
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.
E-bikes can be a useful part of cardiac rehabilitation programmes, since health professionals will often recommend a stationary bike be used in the early stages of these. Exercise-based cardiac rehabilitation programmes can reduce deaths in people with coronary heart disease by around 27%;[55] and a patient may feel safer progressing from stationary bikes to e-bikes.[56] They require less cardiac exertion for those who have experienced heart problems.[57]
With over a decade of experience as an advertising executive, Mark is certain that the market will accept the electric bike and is here to make sure it happens. Mark has an impressive list of former clients in industries like pharmaceuticals, convenience stores, community banks, floor coverings, visitors’ bureaus, resorts and Location Based Services (LBS). When he’s not on Facebook, tweeting or learning how to leverage the latest viral marketing techniques,...

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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