czjb-90tq 250w 350w 26 inch 28 inch electric bicycle ebike conversion motor
2. Reduced operational and mechanical noise (<55 db )
3.long lifespan with reliable after-sales service ( 2 year warranty )
4.Light weight , only 3 kg
5. Waterproof IP 65
6. OEM / ODM service available
Rated Voltage(V) | 24v/36v/48v |
Rated Power(W) | 180w-350w |
Wheel Size | 16''-28'' |
Rated Speed(km/h) | 25km/h |
Rated Efficiency (%) | >82% |
Reduction Ratio | 1:5.2 |
Weight (Kg) | 3kg |
Open Size(mm) | 100mm |
Drive and Freewheel | / |
Cable Location | Shaft Center Right |
Spoke Specification | 36H*12g/13g |
Hall Sensor/speed sensor | has |
Surface | Black/Silver/Shining |
Brake Type | V brake/Disc |
Salt Fog Test(h) | 24/96 |
Noise(db) | <55db |
Waterproof Grade | IP65 |
Nine pins waterproof cables(1.2 square for 250w/350w;1.5 square for 500w/750w)motor male connector:200mm female: rear :800mm front :1300mm
If you need longer cables,customize is possible.We also can provide motor extension cables.
Magnet:38H High resisting 120ºC(More stable High effeciency Long service life)
Helical tooth nylon tooth: Reduce the gear friction Ensure low noise and strong power underload.
Hall plate iron core: Ensure no damage to the copper wire.
Vacuum dipping ensures that the paint is fully filled into the gap and improves the insulation. Thereby improving performance, reducing vibration and noise, and extending the service life of the product.
1. Q: What are your terms of packing?
A: Generally, Packaging with foam and makar carton for ebike motors which is suitable for shipping container.
2. Q. What is your terms of payment ?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos or video of the products and packages before you pay the balance. Or you can come to have a check of it.
3. Q: Do you test all your goods before delivery?
A: Yes, all products will be tested before delivery.
Rain test is 24hours*3days=72hours
Fatigue test load motor is 30 days*24hours
High and low temperature condition test: -30ºC to 40ºC
4. Q: Could you print customer's logo and information on motors?
A:Yes, OEM and ODM is available for ebike motor.
5. Q: Do you accept sample order?
A:Yes, Sample order is available and sample delivery by express such as FedEx, DHL
6. Q: How long is your lead time ?
A:Sample order for e-bike motor is within 15 working days
Sample order for E-bike conversion kit is about 25-30 working days
7. Q: How to confirm the conversion kit fit my bicycle? ?
The conversion was designed to fit 90% of the bicycles, and you can check your bicycle fork(the two metal pieces that attach the wheel to the bicycle) to be sure. You will need at least 100mm for front wheel and 135mm for rear wheel.
8. Q: How do you make our business long-term and good relationship?
A: First we keep excellent quality, thoughtful after-sales service and competitive price to ensure our customers' benefit;
Second we respect each customer. We sincerely do business and make friends with them.
9. Q: Can we have a eheck of products before delivery?
A: Yes, you can let your friends or yourself come to our company to check of it.
Welcome to visit our company.