Overview
The Castle Creations B-Link 2 Bluetooth Interface (011-0181-00) is the next-generation wireless programming adapter for Castle ESCs, allowing you to tune, update, and configure your speed controller directly from your phone. With no laptop required, the B-Link 2 transforms how RC drivers manage their power systems in the pits, on the bench, or trackside.
Built on years of customer feedback, the B-Link 2 delivers faster Bluetooth pairing, expanded ESC compatibility, and a refined mobile experience through the free Castle Link 2 app for iOS and Android. Whether you run a Cobra, Mamba, Talon, Copperhead, X-Series, or Sidewinder ESC, the B-Link 2 puts complete tuning control in your pocket.
Compact, waterproof, and secured with passcode protection, the B-Link 2 can stay permanently installed in your vehicle or move quickly between models. It is the easiest way to keep Castle electronics updated and dialed in for any track or terrain.
Key Features
- Wireless ESC programming via Bluetooth - no laptop needed
- Free Castle Link 2 mobile app for iOS and Android
- Adjust ESC parameters, view data logs, and update firmware anywhere
- Faster, more stable Bluetooth connections vs. original B-Link
- Expanded ESC compatibility including Cobra Series
- Compact, waterproof construction
- Passcode-protected Bluetooth security
- Profile syncing across multiple vehicles
- Genuine Castle Creations accessory backed by 1-year warranty
Performance Benefits
- Eliminates the need to carry a laptop to the track
- Quick parameter adjustments mean less downtime between runs
- Field firmware updates keep your ESC current with the latest features
- Cleaner installs - small enough to leave permanently in the vehicle
- Easy profile transfer when running multiple Castle-equipped vehicles
Usage Notes
- Compatible with Castle Cobra, Talon, Copperhead, X-Series, most Mamba, and Sidewinder ESCs
- Also compatible with the CC BEC Pro and CC BEC 2.0
- NOT compatible with Castle Telemetry Link (Spektrum X-Bus / Futaba S.Bus2)
- Telemetry Link and B-Link 2 cannot be connected at the same time
- Requires the free Castle Link 2 app (iOS / Android)
- Secure wiring during installation to prevent strain in operation
Technical Specs
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Input Voltage: 4.5V min - 13V max
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Max Continuous Current: 10A
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Max Burst Current: 20A
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Dimensions (with wires): 7.4" x 0.52" x 0.06"
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Dimensions (without wires): 1.0" x 0.52" x 0.06"
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Weight: 8g (0.28 oz)
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Operating Environment: Waterproof - safe to leave installed
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Part Number: 011-0181-00
What's Included
- (1) Castle Creations B-Link 2 Bluetooth Interface Adapter
- (1) Reset plug
Summary
The Castle Creations B-Link 2 Bluetooth Interface (011-0181-00) is the modern, mobile-first way to program Castle ESCs. Faster connections, broader compatibility, and a streamlined app experience make it an essential upgrade for anyone running Castle Creations electronics.
