Set Screw Hub - 4mm Bore $100 - $250 This mounting plate installs via

This mounting plate installs via the 3rd brake light on 2021 Silverado 1500 WITHOUT SPOILER aluminum body pickup trucks between the body of the truck cab and the light

DOT and any other applications for which a roof mounted antenna is needed for 2021 Silverado 1500 WITHOUT SPOILER pickup trucks

Mounting: Partial Internal Air Duct Mount

Div 1&2 Groups C

if you would prefer to use an external antenna

Set Screw Hub - 4mm Bore $100 - $250 This mounting plate installs viaSet screw hubs offer a cheap way to attach hub mount gears or wheels to a shaft. The hub offers 4 equally spaced 6 32 tapped holes utilizing the 0. 77" hub pattern and is precision machined from 6061 T6 aluminum. The set screw is 10 32 and uses a 3 32 hex key. This hub has a 4mm bore. [Actobotics](https: www. sparkfun. com pages Actobotics) is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball