Common Bike Left Chain Drive Customized for Geared Bicycle Derailleur

I used two 12v 21AH Mighty Max YTX24HL-BS for Arctic Cat Prowler 650 wired in series; they are similar to deep cell marine/RV batteries. The batteries are set in plastic storage containers for adverse weather with charging terminals at the top of each container. Even though the voltage is 24v to the motor, each set of terminals above each battery only shows 12v. I wired in a 20w solar panel for charging a 12v battery with a DPST to select 1 battery at a time. You will also need a DPST switch to turn on the electric feed to the motor with a 20amp in line fuse. I went for a "test" ride; 4 miles round trip; I pedaled often but the motor was a tremendous help. You will not go super fast, but the pedaling was easy, not tiring. Upon return, each battery was at 12.59v when they started around 12.71v. The trip had some minor inclines, but I was not exhausted upon return. The batteries are not light weight; I stayed with the 24v to avoid adding the extra weight of more batteries. I don't mind going medium speed; I needed some exercise & this is better than a treadmill in the home & once I determine my "range of operation" I will be confident while exercising. Great product; AAA+++!!! David C.

Pros and cons based on personnel experience. Pros: No issues with electronics. Easy to understand and connect. Motor can rotate the rear wheel while paddling hence increasing the speed even more. Cons: The mount isn't universal and had to make a custom bracket as shown in the image. Thumb controller is not easy to fit. A few extra pins/jumpers/plus could be provided. Overall: For power, I used 2x Lead batteries (12v 9ah) in series. The cycle is pretty heavy with added motor and battery hence the pickup is slow. The chain alignment with the given rear sprocket took some good effort. had to add a few washers here and there.

Slight modifications to the main bracket and couple of reinforcement braces converted my Schwinn Meridian trike into a hybrid 24v unit. Road tested today for 3 miles with no issue. Mainly as assistance on inclines. Lots of torque going over the hills and 11 mph clocked speed with approximately 250 lbs load.

weak instructions which is just a sticker on the controller, the bracket does not fit which makes it impossible to truly know cause the description is not really there just fits most bike since I have an old bike frame I hoped that was good enough. the description of volts variety said 24v, 36, but when got box sticker only said 24v. so use one description for all models in the basic bold title is all one really sees . after I ordered i did see in the long description a differents but who knew where the mistake really need to say on both the fine description to the bold on in your face one . i do not know how it works sadly i did hook it up to a battery and never ran so i can only assume it does not work anyways. the business does not allow you to contact for support..

This motor can take off well and reach its top speed without pedaling, works well on up hill too. Very easy to install and only a little time on your part to get it up and ready to use. I am currently using two 12v 7ah battery and now planning to get 2 more batteries and build a battery bike rack to use it for a 15 mile round trip to work. It doesnt make much noise at all compared to the gas motor I had before which I was often stopped by the police because they classified it as a moped. With this electric being quiet, I dont draw much attention in public places.

I added this 24VDC 250W motor to a 40-year old 10-speed bike. Only one of the motor frame clamps would fit my bike stays, and my left heel would hit the motor while pedaling. So I had to rotate the motor up and was able to attach 1 clamp to the seat stay, and the other to my bike rack, which supports the 24V battery. I also had to drill out the holes in my bike hub some in order to get their sprocket to fit. The 2x12VDC 7Ah sealed batteries I started out with did not work very well. I replaced those with a lighter single 24V 12 Ah Aegis battery and that works way better. It took me about 5 test rides to get everything right, mainly fixing my loose connections. There are no installation instructions, just a quick video on Youtube. I rode some steep hills, going about 10 miles, using the motor about 30% of the time and had no issues. It is a good pedal assist on hills, and on the flat I can get up to 15 MPH. Biggest complaint is that the motor chain and gearing are very noisy. Had some issues lining up gears, keeping chain tight. I would highly recommend using a Li-ion battery, such as the Aegis 24VDC 12 Ah one I have. It was expensive but well worth it, and I can recommend that battery. As for this 24V motor, only get it if you're handy with tools and if you can get it to properly fit one of your bikes.

Entrega rápida, piezas completas, prueba de funcionamiento conforme, calidad se ve buena, hay que hacerla trabajar para un veredicto final!... muy satisfecho.

If you're looking for an easy to install you know just get on it and go this is not what you're looking for and this is going to take some junkyard wars you know modifying both to brackets and the bike My mistake was I purchased the 24 volt and there's hardly any batteries out there worth putting on a bike for that so I had to get a stepped out converter for 48 volt it runs and like I said it's a hilly area out here where I live and it will assist in getting you over the hump without busting your back and wearing you out. If I had it to do all over again I would have gone ahead and gone with the 48 volt motor kit setup but it is what it is it's a learning curve and I need the exercise.

No trae instrucciones de montaje, al llevar un controlador es necesario unir bastantes conectores, se echa en falta una guia para conectarlos. Por otro lado, comentar que el motor es para montarlo en el LADO DERECHO, lo cual lo hace incompatible con casi todas las bicicletas, ya que al menos en españa toda llevan a ese lado los piñones y la cadena que viene desde los pedales. El motor que aparece en la fotografia que anuncia el producto, no es el que se vende, ya que el que vende este kit se monta a la detecha.. El motor tiene fuerza, como un poco de bricolaje se ha instalado en un kart de adulto a pedales y tiene bastante fuerza.

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touts instaler ca va bien un peux ajustement poulie mettre droit fais 25 km 2 baterie 12 v 38 ah 40 km autonomie bien

Bon rapport qualité prix. Il faut néanmoins être bon bricoleur et avoir des connaissances en électronique pour arriver à un résultat fiable. En effet, le contrôleur peut claquer si le courant dépasse 20A, ce qui arrive vite au démarrage. Vitesse de pointe 15-20 kmh sur du plat. Plaque de montage à adapter en fonction du vélo. Je l'ai monté sur un triporteur fabrication maison...