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Your cart is empty.Control at your fingertips! Castle Link™ ESC tuning is an essential component for customizing vehicle performance for many Castle Creations’ customers. While the controllers are plug and play, optimizing a Castle ESC through the Castle Link Programming Suite unlocks the full range of capabilities that set Castle apart from the competition. Users enjoy the ability to adjust many variables to enhance their experience including throttle, braking curve, drag brake, reverse type and more. The Castle B-LINK™ Bluetooth™ Adapter enables users to wirelessly program settings and view and download data logs on current Castle Creations ESCs, many older models and the BEC 2.0/BEC Pro on Apple iOS devices and now Android devices! REQUIREMENTS: Apple devices require iOS version 10.0 or higher. The free Castle Link app for iOS is available on the Apple App Store for use with iPhones and iPads, and Google Play for Android devices. Once downloaded, it does not require a data connection and can be used anywhere, including remote areas.
Daniel Skilnyk
Reviewed in the United States on March 2, 2025
Absolute garbage don’t buy it. It changed my ESC to some obnoxious setting and now I can’t get it to go back.
Roy Hill
Reviewed in the United States on February 9, 2025
Ok if it connected to the esc.
Steve
Reviewed in the United States on July 23, 2024
You will need to know the stock password once the Bluetooth is connected to your phone in the castle app. It is 1234 and then you can change it to whatever you want nowhere in the packaging. Does it say the passcode?
Kiprean Edward Kuhn
Reviewed in the United States on November 16, 2024
Works
robert hines
Reviewed in the United States on October 30, 2024
If you have a Castle ESC you may want to get this. This plugs directly into the ESC and allows you to communicate with your rig via Bluetooth, on the go.
Nick & Tiff
Reviewed in the United States on June 13, 2022
Expensive for what it is but it is nice to have and saves a lot of hassle. Works rather well and I have them in at least 8 different rigs.
Kevin V.
Reviewed in the United States on November 20, 2022
The fact you can do pretty much everything you can do on the computer from your phone on the go makes it totally worth the price if you are into racing and constantly perfecting your car. The app is a little bit of a pain to use on the phone but for quick easy changes it’s perfect. The app also allows you to lock the Bluetooth connection so nobody else can mess with it.
doug
Reviewed in the United States on April 4, 2022
Easy install and hook to Bluetooth, great app on my android phone, lots of different settings. Can really tune the esc in well Castle sidewinder 4 perfect.
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