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Available Wheels

2.75" Wheel (4-pack)    P/N: 276-1496    


These wheels include a smooth grippy tire, which has high traction on smooth surfaces. High Traction rounded tread. Removing the tread makes a low-friction wheel.

SimpleRobotics notes: Very seldom used in competition for drive wheels. Good grip on hard surfaces like tile, but only fair on form tile surface.  Can be used with Standard Motor 393 gearing, high speed, and turbo gear ratios even with a heavy robot.  Most often used as a wheel claw for Competition purposes. The small size allows for frames to be closer to the ground and the wheel contact with the ground to be closer to the outer corners of the drive system. The small size means less distance traveled per revolution, so they will be slower than larger wheels, but place more force to the surface. Tread can be removed.




2.75" Omni Directional Wheel - Double Roller (2-pack)   P/N: 276-1902


Omni-Directional wheels roll forward like normal wheels, but slide sideways with almost no friction (no skidding during turns). Use these wheels to make your robot turn smoothly or build a holonomic drivetrain.


SimpleRobotics notes: An excellent drive wheel, but not used as often in competition. Good grip on form tile surface.  Can be used with Standard Motor 393 gearing, high Speed, and turbo gear ratios even with a heavy robot.  Most often used as a wheelie bar wheel.The small size allows for frames to be closer to the ground and the wheel contact with the ground to be closer to the outer corners of the drive system. The small size means less distance traveled per revolution, so they will be slower than larger wheels, but place more force to the surface. They are slightly larger than the standard 2.75" wheel, this can cause design issues when mixing wheel type.





3.25" Traction Wheel (4-Pack)  P/N: 276-3525


 VEX 3.25" diameter wheels. These wheels include a tire designed for optimal grip on soft surfaces like the foam tiles used in the VEX Robotics Competition. Removable wheel inserts allow for additional versatility - use these wheels with either standard Drive Shafts or High Strength Shafts, in either a driven or free spinning application. High traction tire profile Versatile wheel inserts for a variety of applications Contains direct mounting holes for gears or sprockets Note: 3.25" rubber tires are molded directly onto the plastic hubs. They are not removable.

 SimpleRobotics notes: Excellent choice for competition for drive wheels. Best grip on form tile surface of all VEX Wheels.  Can be used with Standard Motor 393 gearing, high Speed, and turbo gear ratios even with a heavy robot. The medium size allows for frames to be closer to the ground and the wheel contact with the ground to be closer to the outer corners of the drive system. The smaller size means less distance traveled per revolution, so they will be slower than larger wheels, but place more force to the surface. Match exactly the diameter of the 3.25 Omni wheels allowing for easily designing drive systems with mixed wheel types



3.25" Omni-Directional Wheel (4-Pack) P/N: 276-3526



Omni-Directional wheels roll forward like normal wheels, but slide sideways with almost no friction (no skidding during turns). These wheels are the same size as the VEX 3.25" Traction Wheels. Removable wheel inserts allow for additional versatility - use these wheels with either standard Drive Shafts or High Strength Shafts, in either a driven or free spinning application. 3.25" Omni Wheels roll sideways with very little friction Versatile wheel inserts for a variety of applications Contains direct mounting holes for gears or sprockets

SimpleRobotics notes: Excellent choice for competition for drive wheels. Very good grip on form tile surface of all VEX Wheels.  Can be used with Standard Motor 393 gearing, high speed, and turbo gear ratios even with a heavy robot. The medium size allows for frames to be closer to the ground and the wheel contact with the ground to be closer to the outer corners of the drive system. The smaller size means less distance traveled per revolution, so they will be slower than larger wheels, but place more force to the surface. Match exactly the diameter of the 3.25 Traction wheels allowing for easily designing drive systems with mixed wheel types



4" Wheel

4" Wheel (4-pack) P/N: 276-1497


 These wheels include a tire which works well on any surface.

  • High Traction square tread.
  • Removing the tread leaves a ribbed plastic wheel.

SimpleRobotics notes:Standard drive wheels for VEX. Reasonably good grip on form tile surface of all VEX Wheels.  Can be used with Standard Motor 393 gearing, High Speed. Provide competitive advantage over other wheels. Does not skid well with skid drive designs, but is difficult to push from the side. Tread can be removed.


4" High Traction Tire
4" High Traction Tire (4-pack) P/N: 276-1489

The VEX 4" High Traction Tires are replacements for the "all-purpose" treads found on VEX 4" diameter wheels. These tires are designed to provide high traction on smooth surfaces.

*Note: This kit includes tires only, wheel rims not included. Simply remove the current 4" tires from their plastic rims and replace them with these high traction ones.

SimpleRobotics notes:These high Traction Tires have a good grip on tile surfaces, but tend to slip on the form tile competition surfaces. They do allow for a skid drive system which has some resistance when pushed from the side.  Can be used with Standard Motor 393 gearing & high speed gearing.





4" Omni-Directional Wheel (2-pack)

4" Omni-Directional Wheel (2-pack) P/N: 276-2185

Omni-Directional wheels roll forward like normal wheels, but slide sideways with almost no friction (no skidding during turns). Use these wheels to make your robot turn smoothly or build a holonomic drivetrain. These wheels are the same size as the VEX 4" dia. Wheels.

  • 4" Omni Wheels roll sideways with very little friction.
  • Minimize skidding during turns.
  • Build a holonomic drive.

SimpleRobotics notes: These are the workhorses of the VEX robotics competition community. They have one of the highest traction of all the wheels on the foam tiles and allow for both effective skid drive and holonomic  drive system.  Unfortunately, they have very little resistance when pushed from the side, and they are slightly larger than the other 4" wheels so building a mixed wheel drive system requires some special design effort. Can be used with Standard Motor 393 gearing & high speed gearing.


Mecanum Wheel 4"


Mecanum Wheel 4"P/N: 276-1447

Mecanum wheels allow savvy robot designers to create drivetrains capable of moving in any direction using a standard chassis shape. Simply power each wheel with a different motor and by changing the directions the wheels spin get your robot to move in different directions!

  • Allows robots to move in any direction.
  • Split Roller style design.
  • 14 rollers per wheel.

SimpleRobotics notes: Due to the force vectors caused by holonomic motion, these wheel's drive shafts need to be well supported and collared. They have one of the highest traction of all the wheels on the foam tiles. Although they will go over obstacles, they have more of a struggle than the round wheels. Can be used with Standard Motor 393 gearing & marginally with high speed gearing. In order to perform holonomic motion they MUST be place on the robot base in a very specific orientation

                                                                                                                                                                                                                                                                                                                                                                              .Mecanum Diagram









VEX 5" Wheel

5" Wheel P/N: 276-1498

These wheels include a knobby tire which works great on rough terrain or loose surfaces.

  • High Traction rough knobby tread.
  • Removing the tread leaves a ribbed plastic wheel

SimpleRobotics notes: This wheels work great for going over obstacles, but unfortunately are very hard to skid turn on form tiles.  Until VEX sees a need to release 5" Omni wheels, they will most likely continue to be underutilized in competitions. Can skid turn easier if treads are removed or they are covered with the poor man's omni - zip ties. They have a good amount of traction of the form tiles, but very little on a  tile floor. Can be used with Standard Motor 393 gearing. Tread can be removed with difficulty







Technical Specifications


 Output Stage Driving GearOutput Stage Driven GearOutput Speed (RPM)Output Stall Torque (N*m)
Standard Motor 393 Gearing10t32t1001.67
High Speed Option
(included with Motor 393)
14t28t1601.04
Turbo Gear Set
(sold separately)
18t24t2400.7