# Bill of Materials The 2025-26 REV DUO Starter Bot is designed to be built using the FTC Starter Kit V3.1 ([REV-45-3529](https://www.revrobotics.com/rev-45-3529/)) and DUO Control Bundle ([REV-35-2709](https://www.revrobotics.com/rev-35-2709/)). {% hint style="info" %} Please note that if you purchased your FTC Starter Kit V3.1 before the summer of 2025, you will need to purchase the following: * QTY 1 - [5mm Hex Bearing Block (REV-41-1683)](https://www.revrobotics.com/rev-41-1683/) {% endhint %} ## Full Robot
Part NumberDescriptionQTY.
REV-41-1365#25 Roller Chain - 56 Link Loop2
REV-41-126790mm Grip Wheel4
REV-41-135490mm Traction Wheel2
REV-41-1365#25 Roller Chain - 56 Link Loop2
REV-41-1615UltraPlanetary Female 5mm Hex Output V23
REV-41-1607UltraPlanetary 550 Motor Plate3
REV-41-1291HD Hex Motor No Gearbox3
REV-41-1608UltraPlanetary 550 Motor Pinion Gear - 13 Tooth3
REV-41-1603UltraPlanetary Cartridge - 5:12
REV-41-1602UltraPlanetary Cartridge - 4:12
REV-41-1609UltraPlanetary Hardware Pack2
REV-41-13485mm x 90mm Hex Shaft6
REV-41-1326Through Bore Bearing - Short14
REV-41-130515mm Plastic 90 Degree Bracket23
REV-41-1492M3 Standoff - 40mm8
REV-41-176245mm x 15mm C Channel - 408mm4
REV-41-13243mm Spacer19
REV-41-1702Tensioning Bushing - 39mm8
REV-41-133810 Tooth #25 Sprocket8
REV-41-1327Shaft Collars38
REV-41-119090mm Omni Wheel2
REV-41-1329Through Bore Bearing - Long6
REV-41-1687U Channel Endcap4
REV-41-132315mm Spacer2
REV-41-1621UltraPlanetary Outside Mounting Bracket2
REV-41-176745mm x 15mm C Channel - 248mm1
REV-41-143215mm Extrusion - 420mm - 90° Ends7
REV-41-1359M3 x 8mm Hex Cap Screw411
REV-41-1361M3 Nyloc Nut351
REV-41-132115mm Plastic Lap Corner Bracket24
REV-41-132015mm Plastic Inside Corner Bracket15
REV-31-1387Switch Cable and Bracket1
REV-31-1595Control Hub1
REV-41-1166Battery Holder Plate2
REV-41-1491M3 Standoff - 30mm7
REV-41-131915mm Plastic Servo Bracket1
REV-41-130715mm Plastic 45 Degree Bracket8
REV-31-130212V Slim Battery1
REV-41-131715mm Bearing Pillow Block2
REV-41-143315mm Metal Bent Core Hex Motor Bracket V21
REV-41-1623UltraPlanetary Bent Mounting Bracket2
REV-41-131515mm Gearbox Motion Bracket1
REV-41-143115mm Extrusion - 225mm - 90° Ends8
REV-41-1432138mm cut from - 15mm Extrusion - 420mm - 90° Ends2
REV-41-1432154mm cut from - 15mm Extrusion - 420mm - 90° Ends2
REV-41-143290mm cut from - 15mm Extrusion - 420mm - 90° Ends2
REV-41-156815mm Extrusion - 120mm - 90° Ends2
REV-41-131815mm Plastic Variable Angle Bracket4
REV-41-1360M3 x 16mm Hex Cap Screw18
REV-41-1432266mm cut from - 15mm Extrusion - 420mm - 90° Ends1
REV-41-130315mm Plastic Motion Bracket2
REV-41-131115mm Plastic 120 Degree Bracket3
REV-41-1820Aluminum Double Servo Arm1
REV-41-3334Smart Robot Servo V2 - Balanced (REV-41-3334)1
REV-41-2702Medium (Dark Gray) - 5mm Hex Bore - Flap Wheel2
REV-41-133790 Tooth Plastic Gear4
REV-41-16835mm Hex Bearing Block1
REV-41-2150Soft (Light Gray) - 5mm Hex Bore - 1in Grip Wheel3
REV-41-1300Core Hex Motor1
REV-41-13625mm x 400mm Hex Shaft2
REV-41-1839Centering Guides cut from Corrugated Plastic Sheet2
REV-41-1163Surgical Tubing - 3mm4
REV-41-1839Hood Connector cut from Corrugated Plastic Sheet1
REV-41-1161Zip Ties - Black - 160mm32
REV-41-1839Lower Hood cut from Corrugated Plastic Sheet1
REV-41-1839Hopper Side cut from Corrugated Plastic Sheet1
REV-41-1839Upper Hood cut from Corrugated Plastic Sheet1
REV-41-1839Hopper Backing cut from Corrugated Plastic Sheet1
## Super Structure
Part NumberDescriptionQTY.
REV-41-132115mm Plastic Lap Corner Bracket24
REV-41-132015mm Plastic Inside Corner Bracket15
REV-31-1387Switch Cable and Bracket1
REV-31-1595Control Hub1
REV-41-1166Battery Holder Plate2
REV-41-1491M3 Standoff - 30mm7
REV-41-131915mm Plastic Servo Bracket1
REV-41-130715mm Plastic 45 Degree Bracket8
REV-31-130212V Slim Battery1
REV-41-131715mm Bearing Pillow Block2
REV-41-143315mm Metal Bent Core Hex Motor Bracket V21
REV-41-1623UltraPlanetary Bent Mounting Bracket2
REV-41-131515mm Gearbox Motion Bracket1
REV-41-143115mm Extrusion - 225mm - 90° Ends8
REV-41-143215mm Extrusion - 420mm - 90° Ends5
REV-41-130515mm Plastic 90 Degree Bracket11
REV-41-1432138mm cut from - 15mm Extrusion - 420mm - 90° Ends2
REV-41-1432154mm cut from - 15mm Extrusion - 420mm - 90° Ends2
REV-41-143290mm cut from - 15mm Extrusion - 420mm - 90° Ends2
REV-41-156815mm Extrusion - 120mm - 90° Ends2
REV-41-131815mm Plastic Variable Angle Bracket4
REV-41-1359M3 x 8mm Hex Cap Screw277
REV-41-1361M3 Nyloc Nut269
REV-41-1360M3 x 16mm Hex Cap Screw6
REV-41-1432266mm cut from - 15mm Extrusion - 420mm - 90° Ends1
REV-41-130315mm Plastic Motion Bracket2
## Flywheel & Agitator
Part NumberDescriptionQTY.
REV-41-131115mm Plastic 120 Degree Bracket3
REV-41-13243mm Spacer3
REV-41-1820Aluminum Double Servo Arm1
REV-41-1360M3 x 16mm Hex Cap Screw12
REV-41-1361M3 Nyloc Nut10
REV-41-3334Smart Robot Servo V2 - Balanced (REV-41-3334)1
REV-41-1327Shaft Collars14
REV-41-1329Through Bore Bearing - Long2
REV-41-2702Medium (Dark Gray) - 5mm Hex Bore - Flap Wheel2
REV-41-1359M3 x 8mm Hex Cap Screw10
REV-41-133790 Tooth Plastic Gear4
REV-41-126790mm Grip Wheel2
REV-41-16835mm Hex Bearing Block1
REV-41-1615UltraPlanetary Female 5mm Hex Output V21
REV-41-1607UltraPlanetary 550 Motor Plate1
REV-41-1291HD Hex Motor No Gearbox1
REV-41-1608UltraPlanetary 550 Motor Pinion Gear - 13 Tooth1
REV-41-1609UltraPlanetary Hardware Pack1
REV-41-2150Soft (Light Gray) - 5mm Hex Bore - 1in Grip Wheel3
REV-41-1300Core Hex Motor1
REV-41-13625mm x 400mm Hex Shaft2
## Hood & Hopper
Part NumberDescriptionQTY.
REV-41-1839Centering Guides cut from Corrugated Plastic Sheet, 450mm x 300mm x 4mm2
REV-41-1163Surgical Tubing - 3mm4
REV-41-1839Hood Connector cut from Corrugated Plastic Sheet, 450mm x 300mm x 4mm1
REV-41-1161Zip Ties - Black - 160mm32
REV-41-1361M3 Nyloc Nut4
REV-41-1359M3 x 8mm Hex Cap Screw4
REV-41-1839Lower Hood cut from Corrugated Plastic Sheet, 450mm x 300mm x 4mm1
REV-41-1839Hopper Side cut from Corrugated Plastic Sheet, 450mm x 300mm x 4mm1
REV-41-1839Upper Hood cut from Corrugated Plastic Sheet, 450mm x 300mm x 4mm1
REV-41-1839Upper Hood cut from Corrugated Plastic Sheet, 450mm x 300mm x 4mm1