52V System Upgrade Kit (Including Controller, Motor, etc.)
At Bluvall, we want you to be fully satisfied with your purchase. If you're not happy with your order, you may request a return within 30 days of delivery.
Eligibility for Returns:
To qualify for a return:
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The item must be unused, with less than 10 kilometers on the odometer.
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It must be returned in the original packaging, with all accessories (charger, keys, tools, etc.).
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You must include the original proof of purchase.
Note: Returns are not accepted from the UK and EU due to shipping and compliance limitations. If you're located in these regions and experience product issues, please contact us at contact@bluvall.com — we’ll do our best to assist you.
Non-Returnable Items
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Items damaged by customer misuse
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Special orders and giveaway items
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Accessories sold separately (e.g. fenders, bags, helmets, phone holders, locks, etc.)
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Items purchased from unauthorized resellers
Return Process
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Contact us at contact@bluvall.com to initiate your return.
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you’ll receive a return shipping label and instructions within 3–5 business days.
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Customers are responsible for shipping costs unless the product is defective.
Refund Policy
Once your return is received:
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Our warehouse will inspect the item within 5 business days.
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If the product matches your return description, a full refund will be processed within 1–2 business days.
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If damage or discrepancies are found, a partial refund may be issued. The deduction amount depends on the condition and missing components.
Refunds typically appear in your account within 7–10 business days, depending on your payment provider.
Damaged or Incorrect Items
If your product arrives defective, damaged, or incorrect:
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Please email us within 3 days of receiving your order.
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Attach photos and a description of the issue.
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We will resolve the matter with a replacement or refund as appropriate.
If you have any questions, our support team is here to help at contact@bluvall.com.
Warranty Coverage
Every Bluvall E-bike is covered under our manufacturer's two-year all-inclusive warranty for the original owner against all manufacturing defects.
NOTE: The warranty applies only to original owners and is not transferable.
What About Warranty On Bluvall?
- Parts covered by the warranty: frame, forks, stem, handlebars, headset, seat post, saddle, brakes (excluding brake pads), lights, bottom bracket, crank set, pedals, rims, wheel hub, freewheel, cassette, derailleur, shifter, motor, throttle, controller wiring harness, LCD display (excluding damage due to water), kickstand, reflectors and hardware. The battery warranty does not include damage from power surges, using an improper charger, improper maintenance or other such misuse, normal wear, or water damage.
- The warranty does not cover an incorrect assembly or installation of the product by the user, an improper or negligent use, operation or transformation of the product, a maintenance contrary to the maintenance instructions of the product (e.g. lack of maintenance of the brakes), normal wear and tear, defects inherent to the normal useful life or service life of the product, such as a flat battery that can be replaced by the consumer, damages or defects due to accidents.
NOTE: Failure caused by the following cases is not included in the warranty contents.
However, the designated store or sales dealer has the responsibility and obligation to
provide paid repair service:
- The battery cannot be charged because the electric bike has not been used for more than half a month and the battery has not been removed.
- Without invoice and the warranty.
- Using and maintaining without complying with the user's manual.
- Using the electrical bicycle for other purposes or dangerous acts.
- Dismantling the parts without permission or improperly using and storing.
Without using the original parts. Trac accidents or other accidents. - Trac accidents or other accidents.
- Anti-rust layer damage caused by abnormal use, which leads to the corrosion and fracture of the parts.
- Riding on the abnormal road conditions.
- Commercial rental use and irresistible natural disasters.
|
Part |
Warranty Period |
Warranty Scope
|
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Frame
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24 Months
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Desoldering/materia fracture
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|
Fork
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12 Months
|
Performance failure
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|
Motor
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12 Months
|
Quality fault/Break downperformance failure
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Battery
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12 Months |
Quality fault/ Power capacity is tested lower than 50% of the rated capacity.
|
|
Controller
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12 Months
|
Performance failure
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|
Charger
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12 Months
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Performance failure
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Display/Dashboard
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3 Months
|
Performance failure
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Tires
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3 Months
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Crack/leaking
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Saddle
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3 Months
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Crack/damaged
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Other Parts
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3 Months
|
Damaged/performance
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Front/Middle axle
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3 Months
|
Performance failure
|
NOTE:
lf the motor breaks down after it has been replaced for once within the warranty period. we will charge for replacement and freight by then.
The battery housing is not under warranty scope.
Shipping Areas
We ship to the U.S., Australia, UK, and EU.
Not available for delivery:
U.S.: Alaska, Hawaii, Puerto Rico, Guam, American Samoa, U.S. Virgin Islands, Northern Mariana Islands, and all APO/FPO/DPO military addresses.
P.O. Boxes and APO addresses
UK offshore islands
Delivery Time Estimates
Total Delivery Time = Processing Time + Shipping Time
(Shipping time may vary based on your location)
Processing Time: 1–2 business days
Estimated Shipping Time:
US: 5–10 business days
Australia: 5–10 business days
UK: 3–5 business days
EU: 5–7 business days
For pre-orders/backorders, kindly refer to the shipping date specified on the product page.
Please note that any delivery dates provided by Bluvall are estimations.
At Bluvall, our customers are our top priority, and we strive to ensure your satisfaction above all else. We're dedicated to expediting the process to ensure your package arrives promptly. Your patience during this time is greatly appreciated, and we thank you for your understanding.
Shipping Fees
- US: Free shipping (Excludes Alaska, Guam, Hawaii, Puerto Rico, Armed Forces regions)
- Australia: $65 USD
- UK: £120 GBP
- EU:
Sweden, Denmark: $250 USD
Other EU countries: $100 USD
Note: Customers are responsible for any applicable customs duties or import taxes.
Shipping Carriers
US: FedEx
Australia: Direct Freight, Allied, and HX Logistics.
UK: Truck delivery, Panther
EU: FedEx, DB Schenker (Ground), DPD
Please note: Carriers may vary depending on your exact location and order details.
Order Tracking
You can easily track your order, as well as shipping and handling information, by logging into your account on bluvall.com. If you have not registered on our site, please feel free to email us at contact@bluvall.com, and we will respond within 24 hours.
If you have any questions, feel free to contact us at contact@bluvall.com. We’re here to help.
This 52V system upgrade kit is specifically designed for users seeking performance enhancement. It includes:
In the package:
52V Controller
52V Motor
Waterproof Mains
Gauges
Turnbuckles
3-in-1 Switch
Headlight
Tail Light
Booster
Core Power Components: The 52V controller precisely regulates current and voltage to ensure stable system operation. The 52V motor offers robust power for an outstanding riding experience.
Safe Connection Components: The waterproof main cable features excellent waterproof properties, ensuring safe and stable electrical connections.
Control and Display Components: The instrument panel can accurately display various vehicle data in real - time. The handlebar grip is highly responsive for easy speed adjustment. The three - in - one switch integrates multiple functions for convenient operation.
Lighting and Warning Components: The front light has high brightness, illuminating the road during night rides. The rear light is eye - catching, enhancing the rear - end warning effect while riding.
Auxiliary Power Component: The booster provides additional assistance, enabling you to effortlessly handle different road conditions.
This entire upgrade kit (Still need battery)helps you successfully upgrade your 48V SU8 to a 52V system, allowing you to enjoy a more powerful and intelligent riding experience.
