The FTC Starter Kit V3.1 is the ultimate starting point for your team’s FIRST Tech Challenge season. Built based on feedback directly from teams, this kit is packed with essential REV DUO components you need to design, prototype, and compete...

The DUO Control Bundle offers basic FTC-legal control system components to get an existing robot up and running. Pair the DUO Control Bundle with the DUO EDU Mechanical Kit (REV-45-2708) to get started with our curriculum, Intro to Robotics V2...

Now featuring the REV Driver Hub, an easy to use, dependable, and durable device designed for interfacing with the Control Hub. Featuring an Android operating system and built-in dual band Wi-Fi, this device makes getting your robot running easier...

The UltraPlanetary Gearbox Kit is the entry point into using the UltraPlanetary System. The kit comes with UltraPlanetary Cartridges to support six different final gear reductions ranging from nominally 3:1 to 60:1 allowing for the right amount of torque...

M3 Nyloc Nuts (REV-41-1361-PK100) are zinc plated steel nuts compatible with all REV M3 screws or bolts. Contains a nylon insert which increases grip on screw, reducing the chance of the nut loosening over time. Does NOT fit in the channel of our REV DUO...

12V Slim Battery Accessories help keep your REV 12V Slim Batteries securely mounted, charged, and ready to power your robot. This product family includes the Battery Holder Plate for mounting a REV 12V Battery, Control Hub, or Expansion Hub, as well as...

15mm Metal Brackets are compatible with the REV DUO System. Each bracket includes holes on an 8mm grid that is compatible with many other building systems.  The 15mm Metal Bent Core Hex Motor Bracket V2 (REV-41-1433) is used to mount the...

15mm Plastic Brackets are compatible with the REV DUO System. Each bracket includes a set of alignment ribs designed to seat the bracket into the extrusion channel increasing joint alignment, strength, and rigidity. The 15mm Plastic Variable Angle...

Through Bore Bearings are compatible with the REV DUO System and are used with 5mm Hex Shafts recommend for the DUO Extrusion System to provide a low friction rotating shaft support. These low profile bearings fit in any of the 3mm...

The Aluminum Servo Horn V2 is compatible with the REV Smart Robot Servo and any other servos with a standard 25T spline. Updates from the original Aluminum Servo Horn include additional tapped M3 Holes for more mounting options, 6 M3 Clearance Holes...

DUO Omni Wheels are compatible with the REV DUO System and have rollers mounted around the outside which passively rotate at 90 degrees to the powered direction of the wheel. DUO Omni Wheels can be used to make it easier to turn with skid steer...

5mm Hex Shafts are compatible with the REV DUO System. The hex shaft interface completely eliminates the need for expensive hubs or using potentially unreliable set screws. REV shafts are made out of strong, corrosion resistant stainless steel...

DUO Plastic #25 Sprockets are compatible with the REV DUO System and fit on a 5mm hex shaft. The hex shaft interface completely eliminates the need for expensive hubs or using potentially unreliable set screws. Sprockets 15 tooth and...

This shaft collar is compatible with the DUO Build System and is used to prevent gears, sprockets, wheels, and other parts from sliding out of place on a 5mm hex shaft. Shaft collars can also be used to prevent the shaft itself from sliding out of its...

UltraPlanetary Brackets are compatible with the REV DUO System. Each bracket includes holes on an 8mm grid that is compatible with many other building systems. The UltraPlanetary Outside Mounting Bracket (REV-41-1621) is used to...

DUO Flap Wheels are compatible with the REV DUO System and feature a 5mm Hex Bore. They are used on intakes to pick up irregular gamepieces, playing a similar role to compliant wheels. While compliant wheels provide compliance with minimal slip between...

The M3 Standoff Bundle is perfect for raising one assembly above another or as linkages. Standoffs are also commonly used with REV DUO C Channel to properly space the channel in order to allow chains or belts to fit inside. Use this bundle to...

The REV Robotics Control Hub is an affordable all-in-one educational robotics controller.  It provides students all the necessary interfaces for robotics and mechatronics projects with multiple programming language options. The Control Hub is...

Add this switch between your battery and Expansion Hub to have convenient on/off control of your robot. We recommend mounting the switch slightly recessed from the outside of your robot so that it's not accidentally turned off by another robot during a...

This #25 roller chain is designed for use with #25 sprockets. Each package includes 1 connecting link, and additional links are available separately in the #25 Connecting Links – 5 Pack. For custom chain lengths, we recommend the REV #25 Chain...