Gears, Chain, & Belts

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...

Make driving linear motion easy with the 22 Tooth Plastic Right Angle Rack Gear. Mount the rack gear to a slot in either the REV DUO Extrusion or REV DUO Channel while using any of the REV DUO Plastic Gears to drive motion. Specifications Module: 0...

M3 Spacers are compatible with the REV DUO System and accurate way to space gears, sprockets, wheels, and other parts on a M3 bolt.  

5mm Metal Hex Bore Gears are compatible with the REV DUO System and work with REV 5mm hex shafts in high-load applications. REV metal gears are NOT compatible with REV plastic gears. All REV metal gears are narrower than plastic...

5mm Plastic Hex Bore Gears 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. Gears 45 tooth...

Our Polyurethane Hollow Round Belting is perfect for your conveyor, and intake mechanisms. Use Barbs to assemble custom length belts. 

Metal sprockets designed to work in high-load applications with #25 chain. This sprocket requires a hub like REV-41-1719. Specifications Chain Size: #25 Material: 6061 Aluminum Documentation SprocketGuide BuildingGuide Product Options ...

DUO Round Belt Pulleys are compatible with the REV DUO System and are perfect for your conveyor and intake mechanisms when combined with Polyurethane Hollow Round Belting. Documentation DUO Build System Guide Product Options ...

Use these barbs with our Polyurethane Hollow Belt to join the ends and make custom length belts quickly and easily.  CAD & Drawings REV-41-1165 Drawing

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...

The 550 Motor Pinions are used for transferring power from a 550 class motor, like the HD Hex Motor or NEO 550, to a mechanism. These pinions come in four different types. The 32DP pinion gear is compatible with 32DP gears,the UltraPlanetary Pinion is...

GT2 3mm Pitch Belts are compatible with both the REV ION System and the REV DUO System. These belts go hand in hand with GT2 timing pulleys. Use belts and pulleys in tight to fit areas where adjustment is difficult. Specifications Pitch: 3mm Width: 9mm...

The #25 Chain Turnbuckle is compatible with both the REV ION System and REV DUO System. It is designed to adjust the length of a #25 Chain by replacing a few links in a run and also allows the user to tension the chain by adjusting the...

The FTC Timing Belt and Pulley Bundle contains an assortment of components needed for a pulley-based motion transmission system. Timing Belts and Pulleys are lighter, more compact, and more efficient at transferring motion than chain and sprockets...

The #25 Chain and Metal Sprocket Bundle can be used to change the speed, torque or direction of a motor. The DUO Build System is designed around #25 Roller Chain (REV-41-1365) using compatible #25 Sprockets. The bundle also includes the...

A custom-designed tool that allows teams to easily break and re-assemble #25 chain. The mandrel is used to push out the chain pin. If using connecting links, the pin can be completely removed, but the depth guide screw allows the option of partially...

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...

Connecting link for #25 chain. Use a connecting link to connect two ends of chain to create a loop. Specifications Material: Steel Size: #25 Pitch: 0.25in CAD & Drawings REV-41-1366 STEP File REV-41-1366 Onshape REV-41-1366 Drawing 

The Locking Motion Hub places a motion pattern on any 5mm hex shaft. Use this to connect metal sprockets to 5mm hex shaft or add strength to wheels, gears, and plastic sprockets through the REV Motion Pattern without the need of a shaft collar...

Timing belts and pulleys are compatible with the REV DUO System. They are lighter and can be more efficient than chains and sprockets. Tensioning and adjustment are a thing of the past. 24 Tooth through 60 Tooth size pulleys come with two ends and an...