Castle Creations - B-Link 2 Blurtooth Interface HPI115984 The Syncro4 commands the off-road

The Syncro4 commands the off-road domain with a formidable drivetrain built for relentless power and precision

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you smile with the feeling of familiarity and want to be in that scene

With long lasting performance at its core

The black coated springs provide balanced performance across different conditions

Castle Creations - B-Link 2 Blurtooth Interface HPI115984 The Syncro4 commands the off-roadProgram, update, and fine tune your Castle ESCs wirelessly anywhere. The B LINK 2 Bluetooth Interface builds on years of real world feedback to deliver faster connections, expanded compatibility, (including the Cobra Series), and a fresh, intuitive app experience. Castle's FREE APP DOWNLOAD (Castle Link 2) is readily available in the Apple App Store and Google Play! Includes: B Link 2 Bluetooth Interface Adapter Re set plug Features: Total Control in