How much power we can do for motors?

Electric bike motor 180W-5000W. Switched reluctance motor:1200W-10.5KW

How much speed we can do for motors?

For normal electric bike motor,25-60km/h as your bike wheel size. For switched reluctance motor,10-60km/h. For electric motorcycle motor,60-120km/h. For customized motor,5-120km/h,depending on your demands&requirements.

Special order as your required?

Products can be ordered as you need. Technical department can provide you with professional solutions.

How much wheel size we can do for electric bike conversion kit?

12', 14'', 16'', 18'', 20'', 24'', 26'', 27.5'', 700C.

What kind of battery?

More than 12 kinds of battery can be provided,such as water bottle battery, little frog battery,rack battery and down tube battery,etc,and and customized motor is available.

How much capacity for battery?

24/36/48v:5.2AH,7AH,8AH,8.8AH,10AH.10.4AH,11AH,11.6AH,12AH,12.8AH,13AH,14.5AH,15.6AH,16AH,17.4AH,19.2AH,25AH,etc.

High Performance 250W Waterproof Electric Bike Conversion Kit with Rear Drive Geared Motor

Name: High Performance 250W Waterproof Electric Bike Conversion Kit with Rear Drive Geared Motor
Brand: Changzhou Found Environmental Technology Co., Ltd.
SKU: 2244430045

Jiangsu, ChinaChangzhou Found Environmental Technology Co., Ltd.

US$69.87

100-199 Sets

US$66.84

200-499 Sets

US$63.80

500-999 Sets

US$60.76

1,000+ Sets

Sample price:US$83.84/set.Request sample

Product profile

Customization

Available

After-sales Service

12 Months

Warranty

12 Months

Model NO.

FMK-03-WF-B

Type

Conversion Kits

MOQ

100 Sets

Power(W)

250/350

Voltage (V)

Wheel Size

14''-28''

Drive and Freewheel

Rear Drive/ 6-9 Freewheel

Open Size(mm)

135

Rated Speed(Km/H)

Controller

Current Limiting 15A

Throttle

Twist Throttle with Battery Indicate and Lock

Brake Type

Disc Brake

Switch

Light/Horn Switch

PAS

Double Sensors, 12 Magnets

Waterproof Grade

IP54/IP65

Application

Road Bicycles/E-Bikes

Transport Package

Carton

Trademark

FOUND MOTOR

Origin

Changzhou China

HS Code

8714190090

Production Capacity

100000

Key features

IP54/IP65 Waterproof Design: All components including cables, connectors, and motors feature waterproof connectors for reliable outdoor use.

Customizable Motor Specs: Offers 24V-72V voltage, 180W-1500W power, and various wheel sizes (12-28 inch) to match specific bike needs.

12+3 Month Warranty: Free replacement for first 12 months; free maintenance for months 13-15 (buyer pays freight).

Dual Motor Options: Choose between Brushless Geared Motor (250W-1200W) or Gearless Motor (250W-1500W) for different performance.

Complete Conversion Kit: Includes motor, controller, throttle, brake lever, switch, PAS, lights, and all necessary waterproof cables.

Flexible Customization: Supports custom logos, motor dropout sizes, spoke holes, and rim assembly for tailored solutions.

Professional Technical Support: Over 120 electric control system solutions available with professional technical department assistance.

Sample Service Available: Samples are available with cost relief upon placing a formal order, allowing quality verification first.

Company profile

Fast DeliveryODM ServicesOEM ServicesIn-stock Capacity

Changzhou Found Environmental Technology Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤7.94h

AI-Powered supplier vetting

SummaryCHANGZHOU FOUND ENVIRONMENTAL TECHNOLOGY CO., LTD. is identified as a combined company engaged in environmental technology, motors, electric scooters, lithium-ion bicycles, and related accessories. The supplier demonstrates documented complaint-handling and corrective/preventive-action procedures, raw-material traceability, 100% finished-product inspection, and customization from samples, designs, and full specifications. It reports OEM service for well-known brands and participation in EICMA. However, overseas service coverage is limited: it reports no overseas warehouses, showrooms, agents, or branches, and lists zero countries offering overseas services. R&D audit documentation and an available SDK are absent, while financial information is insufficient for a credibility assessment. Customer evidence is limited to one recorded transaction and one associated buyer name.

Supplier typeThe supplier is identified as CHANGZHOU FOUND ENVIRONMENTAL TECHNOLOGY CO., LTD. and classified as a combined company. Its stated scope covers environmental technology, motors, electric scooters, lithium-ion bicycles, and related accessories.

After-Sales capabilityThe supplier has documented procedures and records for corrective/preventive actions and customer complaints, and its technology engineers provide technical support for after-sales service. However, it reports no overseas warehouse, showroom, agent, or branch, and zero countries with overseas services; its assessment procedure has written procedures but no records.

Production capacityProduction-related evidence includes raw-material traceability, 100% finished-product inspection with standardized instructions, one quality inspector, in-stock capability, valid manufacturing-capacity contracts with associated subcontractors, and one-month lead times in both peak and off-season. These stated controls and capacity indicators support a positive assessment.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization. This directly demonstrates broad product customization capability.

Client casesThe supplier reports OEM service for well-known brands and has participated in the EICMA offline trade show. However, the trade data shows only one recorded transaction and one associated buyer name, so the breadth and verifiability of customer cases are limited.

Product Q&A

Q:Is it available for sample?

Yes, sample services are available. And the sample cost can be relieved once the formal order comes.

Q:What's your post-sale service?

a.) If you purchase our products, you are guaranteed a full refund in case of any quality problems with the products. b.) We can return your money if you are not satisfied with our product within 7 days after you get the goods, you only need to pay the freight. c.) We promise to replace the goods freely if there are some problems within 6 months. d.) We promise '12+3' month warranty. For the first 12 months, exchanging products for free and the 13rd to 15th month, maintenance free. You only need

Q:What's the approximate lead time?

The lead time for normal cable kit, 20-25 working days after confirmation. The lead time for waterproof cable kit, 30-35 working days after confirmation.

Q:How about payment terms and price terms?

The payment terms we support include: EXW, FOB, CIF, etc. Sample: 100% in advance; Regular orders: 30% TT in advance as deposit and 70% TT before dispatch as balance. Or 50% TT in advance and 50% before dispatch. The specific payment method can be negotiated.

Q:How much voltage we can do for motors?

24V,36V,48V,60V,72V as your required.