Castle Creations B-Link 2 Blurtooth Interface RS4 Parts Multi-directional grooves increase traction and

Multi-directional grooves increase traction and deliver better grip to enhance cornering stability

Durable titanium alloy metal gears with dual ball bearings

1's suspension geometry dialed in with this genuine Associated arm mount

Through-truss bridge with blinking light detail

Tires (F/R): D-70x27mm

Castle Creations B-Link 2 Blurtooth Interface RS4 Parts Multi-directional grooves increase traction andCastle Creations B Link 2 Blurtooth Interface Program, 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