Over the last few years, I’ve taken my love of the outdoors, hiking, skiing, trekking and exploring to the next level by starting this site. I started a bike shop in Denver, CO, and have seen amazing growth over the last few years. Getting paid to do what I love has been a dream come true for me. That’s also what led me to start BikesReviewed.com. In my shop, I spend a large amount of time helping people find the perfect bike for them and the style of biking they’re going to be doing. It only made sense that I expanded my reach and got online, making it possible for me to help people all over the world. If biking and staying fit is your priority, too, you’ve come to the right place.
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.
5. Prizes: The approximate retail value of all prizes is $1361. The prizes are: Performance E-BikeKit or Heavy Duty E-BikeKit. You are not guaranteed to win a prize and your chance of winning is dependent on the total number of eligible entries received. Actual/appraised value may differ at time of prize award. The specifics of the prize shall be solely determined by the Sponsor. No cash or other prize substitution permitted except at Sponsor's discretion. The prize is nontransferable. Any and all prize related expenses, including without limitation any and all federal, state, and local taxes shall be the sole responsibility of the winner. No substitution of prize or transfer/assignment of prize to others or request for the cash equivalent by winners is permitted. Acceptance of prize constitutes permission for Electric Bike Technologies LLC to use winner's name, likeness, and entry for purposes of advertising and trade without further compensation, unless prohibited by law.

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.

The two most common types of hub motors used in electric bicycles are brushed and brushless. Many configurations are available, varying in cost and complexity; direct-drive and geared motor units are both used. An electric power-assist system may be added to almost any pedal cycle using chain drive, belt drive, hub motors or friction drive. BLDC hub motors are a common modern design. The motor is built into the wheel hub itself, and the stator fixed solidly to the axle, and the magnets attached to and rotating with the wheel. The bicycle wheel hub is the motor. The power levels of motors used are influenced by available legal categories and are often, but not always limited to under 750 watts.


Riese & Muller’s Nevo line definitely tops my list for commuting electric bikes. These bikes are premium, custom made bikes for a reasonable, middle-of-the-road price. All Riese & Muller bikes are hand made in Germany exactly to your specifications. The Nevo line specifically is incredibly well balanced and keeps riders in a comfortable, upright position. Riders also get a suspension seatpost (either the Cane Creek Thudbuster or Satori Elegance LT), which is a nice compromise between the full suspension Homage line and a complete hardtail.

To help the rider find the perfect fit, the stem is adjustable. The bike also boasts dynamo powered lights alongside hydraulic disc brakes. The bike will suit riders from 4 ft 10 to 6 ft 5, and also integrates with a child seat. The total weight is 21.8kg, making it admittedly a fairly hefty folder – but that’s fairly uniform across electric versions.
Fat E-Trike from Sun and E-BikeKit™ at Interbike 2014 Fat bikes and electric bikes were all the rage this year at interbike in Las Vegas. It seemed almost every bike vendor at the show has at least one fat bike model in their booth this year. On top of the fats were the electric bikes. And I think it goes without saying that nobody wants to actually pedal a fat...
We rode the Vado through the gauntlet, including some of the steepest hills in Palo Alto, and it easily handled everything we threw at it, maintaining a steady 20 miles per hour even on the most daunting of ascents. The bike also handles well on downhills and is both nimble and quick on city streets and paved trails. It’s even comfortable to ride for extended distances, which is vitally important for any bike built for urban settings.
5. Prizes: The approximate retail value of all prizes is $1361. The prizes are: Performance E-BikeKit or Heavy Duty E-BikeKit. You are not guaranteed to win a prize and your chance of winning is dependent on the total number of eligible entries received. Actual/appraised value may differ at time of prize award. The specifics of the prize shall be solely determined by the Sponsor. No cash or other prize substitution permitted except at Sponsor's discretion. The prize is nontransferable. Any and all prize related expenses, including without limitation any and all federal, state, and local taxes shall be the sole responsibility of the winner. No substitution of prize or transfer/assignment of prize to others or request for the cash equivalent by winners is permitted. Acceptance of prize constitutes permission for Electric Bike Technologies LLC to use winner's name, likeness, and entry for purposes of advertising and trade without further compensation, unless prohibited by law.

BATTERY POWER  The Lithium-Ion Manganese battery power pack is lightweight, technologically advanced, and safe.  EcoBike battery packs are UL and CE approved, exceeding safety and quality standards in the U.S. and E.U.  EcoBike batteries are specially designed and manufactured for the EcoBike by a subsidiary of Lenovo / IBM ThinkPad.  These batteries deliver the maximum consistent output and longevity.  EcoBike batteries have been tested and proven, with over 100,000 units manufactured and a failure rate of less than 1%.


The other thing to consider is that this is a Kickstarter project, so you aren’t directly purchasing from the company, but rather “backing the project” in exchange for a bike. Technically, Stark Drive, or any Kickstarter creator, could cut and run with the money, leaving their backers without legal recourse. In this case though, Stark Drive has already run a successful crowdfunding campaign for their previous bike and demonstrated their ability to deliver, so this is probably at least somewhat safer than a brand new Kickstarter start-up.
Features:Non-toxic,non-odor that is safe using.Widely using for electric bikes, bicycles,mountain bikes and more.High efficient electric core.Large capacity design.Professional replacement battery.Metal safety protective safety lock,easy disassembly and installation of battery.Repetitive discharge test,anti-collision and wrestling.Descriptions:It so lightweight which is so portable to be taken.Novel appearance and stable output.The input is more stable and the service life is longer.Specifications:Size:380*90*87mmPackage Size:410*190*140mmColor:silver & blackVoltage:36V Battery Capacity:10AH Max constant discharger current:15AMax current:45ACharger:2ABattery Type:Lithium batteryPackage included:1x Replacement Battery1x Battery holder1x Power Su.
{"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"}
A 2008 market survey showed that the average distance traveled in the Netherlands by commuters on a standard bicycle is 6.3 kilometres (3.9 mi) while with an e-bike this distance increases to 9.8 kilometres (6.1 mi).[79] This survey also showed that e-bike ownership is particularly popular among people aged 65 and over, but limited among commuters. The e-bike is used in particular for recreational bicycle trips, shopping and errands.[79]
A 2008 market survey showed that the average distance traveled in the Netherlands by commuters on a standard bicycle is 6.3 kilometres (3.9 mi) while with an e-bike this distance increases to 9.8 kilometres (6.1 mi).[79] This survey also showed that e-bike ownership is particularly popular among people aged 65 and over, but limited among commuters. The e-bike is used in particular for recreational bicycle trips, shopping and errands.[79]
E-bikes mostly use motors and battery options from a few major suppliers: Bosch, Yamaha, Shimano, and Brose. A few other brands exist, but are less reliable or powerful. Some, like the Yamaha system, have more torque and others are quieter. But generally all four make good options. Look for motor output (in watts) which will give you an idea of total power. But watt hours (Wh) is perhaps a better figure to use—it takes into account battery output and life to give a truer reflection of power.
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