BAFANG 48V 750W RM G0900.750.D/DC Rear Hub Cassette for eMTB eSpeed eBike Conversion
BAFANG 48V 750W RM G0900.750.D/DC Rear Hub Cassette for eMTB eSpeed eBike Conversion
Product Core Data
Product Core Data
Model No.: RM G0900.750.D/DC
Position: Rear Mtor
Usage: eSpeed, eMTB
Wheel Size (Inch): 26/27.5/700C
OLD (mm): 138
Norminal Voltage (Vdc): 48
Rated Power (W): 750
Max Speed (km/h): 32 to 45
Max Torque (N.m): 80
Color: Black
Weight (kg): 5.6
Brake: Disc Brake
Cable Length (mm): 250
Connection Type: G11.6
Spoke Specification: 36H*13G
Tests and Certifications: IP X5/ROHS/CE
About the eBrake
About the eBrake
Currently the product can only set 3 variants. So, this product defaults to send with BAFANG eBrake Levers. If you want to keep your own hydraulic brake and receive the eBrake sensors, you can send "#Order number + Chainrings" to Varstrom
Shipping Policy
Shipping Policy
Varstrom Shipping Policy
All orders are processed within 1 or 2 business days (excluding weekends and holidays) after receiving your order confirmation email. You will receive another notification when your order has shipped.
Delivered Duty Paid
All the product you can buy on Varstrom, we have paid the tax. So you don't need to pay extra money for the order.
Where Varstrom Can Reach
Varstrom had became Bafang Cooperation Brand since 2018. Over the past four years, we have built a very close relationship with Bafang Company. Varstrom has established a lot of warehouse around the word to make sure that all the customer will get their package as soon as possible.
- European Union: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden
- United States: Alabama (AL), Arizona (AZ), Arkansas (AR), California (CA), Colorado (CO), Connecticut (CT), Delaware (DE), Florida (FL), Georgia (GA), Hawaii (HI), Idaho (ID), Illinois (IL), Indiana (IN), Iowa (IA), Kansas (KS), Kentucky (KY), Louisiana (LA), Maine (ME), Maryland (MD), Massachusetts (MA), Michigan (MI), Minnesota (MN), Mississippi (MS), Missouri (MO), Montana (MT), Nebraska (NE), Nevada (NV), New Hampshire (NH), New Jersey (NJ), New Mexico (NM), New York (NY), North Carolina (NC), North Dakota (ND), Ohio (OH), Oklahoma (OK), Oregon (OR), Pennsylvania (PA), Rhode Island (RI), South Carolina (SC), South Dakota (SD), Tennessee (TN), Texas (TX), Utah (UT), Vermont (VT), Virginia (VA), Washington (WA), West Virginia (WV), Wisconsin (WI), Wyoming (WY)
- United Kingdom: British Forces, England, Scotland, Wales
- Canada
- Australia
- Asia: China, Hong Kong SAR, Japan, Malaysia, Singapore, South Korea, Taiwan, Thailand, Vietnam

Varstrom Delivery Time
Once we receive order, we will process the ordered and send the products to the customer from the nearest warehouse in 24 hours. Depending on the distance of the region from the shipping warehouse, the express time may take 6 to 8 days. The following table shows 95% of our order delivery schedule for reference.
Regions | Delivery Time |
---|---|
United States | 3 to 7 business days |
United Kingdom | 2 to 4 business days |
European Union | 3 to 8 business days |
Canada | 3 to 6 business days |
German | 2 to 4 business days |
France | 2 to 4 business days |
Poland | 2 to 4 business days |
Australia | 3 to 5 business days |
Shipping Tracking
Once the product is shipped from the warehouse, the system will automatically send a tracking number to customer, you can use it to check where is the package. If customers cannot find their tracking number, please find us through the contact information and we will help you find where the products are.
Shipping costs are non-refundable.
Our motor kits and batteries require signature confirmation for delivery. If delivery is refused, shipping costs are non-refundable and a 10% restocking fee will be deducted (this will be withheld from any refund).
For returning an item, you will be responsible for paying for your own shipping costs and original shipping costs are non-refundable. For returns of products over $50, we recommend that you use shipping service can be tracked or purchase shipping insurance. We don't guarantee that we will receive your returned item.
We can only guarantee delivery of purchases when there are no changes or modifications during shipment. Any purchases made from our company in which a customer decides on their own accord to make any modifications directly with the shipping company (FedEx or USPS) during shipment (including but not limited to; delivery address changes, hold and or pick up requests), our company is no longer able to guarantee delivery and is not responsible for lost packages. We can only guarantee delivery of orders purchased through our company and shipped to the address which was originally provided at purchase. If any modifications are made by the customer on their own accord during the shipment process we are no longer responsible for any delivery delays or lost packages.
How to Contact Varstrom
Company Address: Room 408B, 4/F, Lippo Sun Plaza, 28 Canton Road, Tsim Sha Tsui, Kowloon, Hong Kong SAR
Email: kong@varstrom.com
WhatsApp: +852 5262-0386
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BAFANG RM G0900.750.DC Cassette
Suitable for eMTB and eSpeed eBikes
eMTB and eSpeed bikes can rely on the powerful and efficient H640 rear drive motor. With 750W dependable power and 80Nm torque it offers strong support where needed. Compatible with disc brakes and 7 to 11-spd cassettes.

Know the Core Data of the Rear Hub Drive
- Model No.: RM G0900.750.D/DC
- Position: Rear Mtor
- Usage: eSpeed, eMTB
- Wheel Size (Inch): 26/27.5/700C
- OLD (mm): 138
- Norminal Voltage (Vdc): 48
- Rated Power (W): 750
- Max Speed (km/h): 32 to 45
- Max Torque (N.m): 80
- Color: Black
- Weight (kg): 5.6
- Brake: Disc Brake
- Cable Length (mm): 250
- Connection Type: G11.6
- Spoke Specification: 36H*13G
- Tests and Certifications: IP X5/ROHS/CE
Choose a Display for the eBike Kits
You can choose BAFANG eBike displays or Varstrom eBike displays to control the eBike system.
- BAFANG eBike Displays: BAFANG DP C181, BAFANG DP C18, BAFANG C961.
- Varstrom eBIke Displays: Touch T1, P860C, B750C, P850C, 850C, 500C, 500C-V, DM03, 800S.
Choose the eBrake System for the eBike Kits
Varstrom provide BAFANG Mechanical eBrake levers if you bike uses mechanical brake. And the eBrake Sensor for your hydraulic brake. Or you can choose our whole Hydraulic eBrake Set on your bike.
Choose the Battery for the Kits
If you have a battery with stable output, you can use the battery for our kits. If you don't have a storage battery, our storage battery could be your best choice.
- HAILONG Series (36.8*9.1*11.1cm/14.48*3.58*4.37inch): 48V 13Ah, 48V 17.5Ah (LG 3500mAh Cell).
- HAILONG Max (G80) Series (36.6*9.1*12.7cm/14.4*3.58*5inch): 48V18Ah, 48V 19.2Ah, 48V 20Ah.
Global Shipping and Customer Service
Varstrom establish a complete logistics system in US/EU/CA/AU. Customer can expect to receive the package in 2 to 7 days. We have also established after-sales service points around the world. Varstrom support 1-year warranty, if your entire eBike kits are purchased at Varstrom, when it comes to repair, just send it to the designated location, we will handle everything.
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