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Phoenix II electric bike kit | Electric bicycle kits with serious power

Phoenix II electric bike kits were designed for real commuting, using only high quality components to create a reliable and powerful source of transportation. The market is flooded with e bike kits, but one of the biggest complaints we’ve heard is that many of those systems require more time in repair than on the road, which can get extremely frustrating and discouraging. While no product is perfect, over the last 10 years Phoenix II kits have earned a reputation of quality, reliability, and amazing performance. ElectricRider has always been big on quality and reliability, and while we pay more for things like rust preventative paint, honeywell sensors, NSK bearings, larger gauge wire, etc, it has always been well worth it. Most sellers are not willing to pay extra for these things, which puts Phoenix II kits in a class of their own. ElectricRider also services and stocks all parts to keep even the oldest Phoenix II kits out there running, down to plugs, bearings and wires. Phoenix systems are designed to last forever, and that’s what we call cost effective!

In search for Phoenix II parts? Click Here!

What does it feel like to ride a Phoenix II?

Our customers often describe their experience in comparable ways:

“…very high quality, works flawlessly!”

“It works beautifully! We’ve reclaimed territory we haven’t ridden in 20 years”

The exhilaration of riding your Phoenix II for the first time – hearing nothing but wind blowing alongside your face as you are propelled by a powerful electric motor – is nothing like you’ve ever experienced before, and are sure to never forget. Our customers often contact us to stress their satisfaction….. surprisingly powerful, yet so smooth and quiet…..much different than any other ebikes they have ridden. The main difference between Phoenix and other electric bike systems is the amount of power Phoenix systems have, meant for serious commuting without having to pedal. Do you have the same interest for a ride you want to take but wouldn’t, or simply just couldn’t do so without the power of electric assistance? A Phoenix II system provides confidence to the rider, knowing they can pedal as little or as much as they feel like pedaling that day.

Choose your Phoenix II motor kit!


In addition to your conversion kit, this is a one-stop-shop for all you need- we are proud and unique to be able to say we build Lithium-Ion batteries right here in our facility, so when purchasing a battery, you are supporting American job growth and also have the peace-of-mind knowing that you have the convenience of getting it built and serviced right here at home.

Select your Lithium-Ion battery! Click Here


Phoenix II Kit :A Guide to Choosing your kit

System Volts Amps Watts

Cruiser Top Speed
(High Speed Motor)

Brute Top Speed
(High Torque Motor)

3625 36V 25A 900W 26mph 21mph

If you are looking to take the pain out of your commute, or simply need some help on the hills, ElectricRider's Phoenix II 3625 hub motor system may be what you need. The Phoenix II 3625 system will bring a new life and meaning back to that old bike frame that's been sitting down in the basement all these years! For those of us either in less than perfect shape, the Phoenix II 3625 will allow you to get back in shape at your own pace. The lack of sweat and exhaustion upon your arrival to work is a much better way to start your day than being worn out before the work day starts!

4825 48V 25A 1200W 30mph 25mph

With a little more power than the Phoenix II 3625 system, the Phoenix II 4825 may be appropriate if you're installing the hub motor on a smaller wheel diameter such as 20 inch or 24 inch. Remember, the smaller the rim diameter the more torque you have, but less speed. Since an increase in voltage results in increased top speed, the added voltage of the Phoenix II 4825 is a good match for smaller wheel diameters, and for those where 25mph is fast enough! Trikes, tadpoles, and recumbents are all great vehicles for the Phoenix II 4825 System.

3640 36V 40A 1440W 32mph 28mph

Now things get interesting! ElectricRider's Phoenix II 3640 starts to light things up! You must form the same habits as you would riding around town on a motorcycle, and we also recommend DOT approved helmets for your safety. Despite its innocent appearance and light weight, the Phoenix II 3640 is a stand-alone system, meaning you do not have to pedal...ever. Unless you're trying to ride up the side of a mountain, the this system will climb about any hill without help from the rider. The Phoenix II 3640 comes with a quick battery disconnect to remove the batteries from the rack for charging if necessary.

4840 48V 40A 1920W 35mph 31mph

The famous 4840 has always been a part of our Phoenix line, but now with the amazing improvements that you've probably already read about! All our Phoenix II motors have hall effect sensors so that with our 4840F and later revision controllers they can be used as sensored OR sensorless....your choice! It also seems that with the drastic weight loss and higher reliability the Phoenix II 4840 rear motor has more speed than the original 4840 Cruiser and Brute motors! Treat the Phoenix II 4840 with respect and it may outlive your gas vehicle in mileage! Not to mention you get to part at the front door about everywhere you go! Some of our customers have systems with over 30,000 miles and counting, while one in particular is nearing 40,000 miles!

7240 72V 40A 2880W 45mph 37mph

ElectricRider's famous Phoenix II 7240 is one of the most powerful systems available, and has been for years. This is for the serious commuter, thrill seeker, or one who needs to pull an awful lot of weight. It's high voltage and and high current offer serious torque and speed, over 45 mph with the Phoenix Cruiser motor and about 40 mph with the Phoenix Brute! Even if you don't use the Phoenix II 7240 system at full throttle, your range will be that much greater. If you want serious power, it doesn't get more serious than this!

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