Helio is not a fly by night company. We have the knowledge needed to make a great Motorized Bike. With Special designed parts our bikes just work! Search again.
Are you Ready And Lots of Fun. Slide 1 Slide 2 Slide 3 Slide 4 Slide 5. How does MPG sound? An Extensive amount of models to choose from, no matter what your need. Featured Collection. Better combustion results in increased power and performance! This new and improved Zeda Pro The first true 85cc 2 stroke engine built for motorized bicycling.
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That, combined with climbing advantage, makes them the go-to motor for e-mountain bikes. The downside of adding a mid-drive motor to a chain-driven bike is increased chain wear.
Mid-drives are also more expensive because they contain more mechanical components and higher gear reduction, which drives up cost. The higher wattage required by direct-drive hub motors means bigger motors and batteries, which adds weight. Each design has its pros and cons. Generally speaking, geared motors are better for low-speed, high-torque applications, and direct-drive motors are better for high-speed uses.
Direct-drive motors tend to be bigger and heavier because they require more magnetic material to generate low-speed torque, but that added power and mechanical simplicity helps them operate well at higher speeds. They also tend to be quieter than geared motors, although newer geared motors with helical-cut gears rather than straight-cut gears are nearly inaudible as well.
Direct-drives can also benefit from modest added range and decreased brake wear due to regenerative braking. Attempting to compare e-bike power ratings is a great way to lose your sanity. Torque, a metric listed by some manufacturers, is a rotational measurement of force. The battery is rated at 52 volts and the motor controller delivers 20 amps of current.
By comparison, the Blix Bikes Vika Travel folding e-bike has a motor rated at continuous watts, yet the battery is rated at 36 volts and the motor controller lists 18 amps. Even if the motor loses 25 percent of input power to inefficiency, the theoretical maximum output power should be watts, which is almost double the watt rating.
Torque is less subjective. Better yet, percentages of support as Bosch lists tell you how much help the motor is giving you at a given level of e-assist. There are a few more things to know about e-bikes that affect your long-term riding experience. E-bikes use sensors to determine pedal-assist levels based on rider input. There are speed sensors, a. Create or Reactivate Your Account Lost password? First name. Last name. Your cart is empty.
Home Bicycle Motor Kits. Refine view all. Engine Type Search 2-Stroke. Recommended Use Search Commuting. Features Search Chain Drive. Best Sellers. Electric Start. High Performance. Friction Drive. Engine Size Search 48cc. Mounting Location Search Center Mount. Rear Mount. Category Search Bicycle Motor Kits. Filter Showing 1 - 14 of 14 products Display: 24 per page 24 per page 36 per page 48 per page. Easily repairable- almost every part of this engine kit can be easily replaced. The most customizable- we carry hundreds of after-market parts to make your engine kit the fast!
Highest torque to displacement ratio of any other motorized bicycle kit.
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