
High-strength shaft of the Surpass Hobby Bat B3115 brushless motor, 1050KV, Compatible with 5-6 inch propeller for RC FPV racing drone.
USD · Indicative unit price for reference. Volume and project pricing is provided in your quotation; MOQ and lead times vary by product.
Availability & Lead Times
Ships from Hong Kong · DAP or FOB Hong Kong.
Tracked worldwide delivery
DHL · FedEx · UPS · EMS, then air, sea or rail
Export License Ready
ECCN, CO, CI, PL, EUS docs
Product prices and shipping quotes do not include import duties, taxes or customs clearance fees — these are charged by the destination customs authority. Estimate them above, or read the import duties & VAT guide.
Genuine Products
Authorized distribution
Engineering support
Pre-sales selection and after-sales RMA
Secure, milestone-based payment
T/T 30/70 terms and irrevocable L/C over US$50,000. Funds follow agreed milestones — you never pay an unknown seller upfront.
Payment protectionVetted supplier, Aegisky as contracting window
Suppliers pass KYC/KYB and export-capability review; Aegisky — not an anonymous third party — is your single contracting and communication window.
View supplier profileExport compliance on every controlled order
ECCN classification, sanctions screening and end-use/end-user documentation are handled before quotation is finalised.
Export compliance14-day defective/DOA protection & warranty handling
Defective or dead-on-arrival items are accepted within 14 days via RMA; warranty claims and spare-parts support are handled through the trade desk.
Returns & warrantyComponent pricing is public. Sign in to see fleet pricing, save quotes, track orders and check out faster — creating a trade account takes about a minute.
Sign in to order →The BAT SURPASS HOBBY motor is a reliable and powerful brushless motor. It is ideal for radio controlled models. Model B3115 has a rated voltage of 3S-4S. This allows it to be used in various applications. The engine provides high performance and high efficiency.
The motor has a diameter of 31 mm and a length of 55 mm. This ensures an optimal power-to-weight ratio. The weight of the engine is only 150 grams. It is lightweight, making it ideal for models with limited weight. The motor has 1050 rpm per volt. This allows you to achieve high rotation speeds.
The motor housing is made of durable aluminum. It protects internal components from mechanical damage. The engine has a built-in cooling system. This prevents overheating during operation. It also features powerful magnets to improve efficiency.
The BAT SURPASS HOBBY engine is suitable for various models. It can be used in airplanes, helicopters and boats. High power makes maneuvers easy. The motor provides excellent acceleration and stable operation.
Installing the engine is simple and does not require special skills. The kit includes all necessary fasteners. The motor is compatible with various speed controllers. This makes it possible to choose the best option for your project.
The B3115 engine also has good handling responsiveness. This is especially important for acrobatic models. You will be able to perform difficult tricks without any problems. The engine copes well with the load and does not lose power.
By choosing BAT SURPASS HOBBY Motor B3115 1050KV, you are getting a quality product. It combines power, reliability and an affordable price. This engine will be a great addition to your model. It will ensure long and stable operation.