VEX Robotics will be closed in observance of Thanksgiving on Thursday, November 22nd, and Friday, November 23rd. Our office will re-open on Monday, November 26th.

Be advised that FedEx will be closed for delivery on Thursday, 11/22. For example, a Next-Day Air order placed by 2:00 PM CST on Wednesday, 11/21, will be delivered on Friday, 11/23. Orders placed after 2:00 PM CST on Wednesday will process and ship out Monday, 11/26, to then be delivered according to the selected shipping speed.

We appreciate your understanding and wish all VEX users a happy holiday!


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simile - [sim-uh-lee]
1. a figure of speech in which two unlike things are explicitly compared, as in “she is like a rose.”

CIM-ile - [sim-uh-lee]
1. a gearbox in which a smaller motor is used as an input, with the output emulating the RPM and mounting of a CIM motor, as in "the CIM-ile has made my 550 sized motor much like a CIM motor."

The CIM-ile gives teams the ability to emulate the RPM and mounting pattern of the popular CIM motor using one smaller motor in a compact, lightweight package. The precision VEXpro gears and glass-filled nylon housing create a system that is “similar” to a CIM and can be used with any gearbox or drive where a CIM would be used.

  • Accepts RS-550 or 775 Series motors
  • Single spur reduction to minimize size and weight
  • Can be used anywhere a CIM would be used
  • Ratio with RS-550: 9:29
  • Ratio with 775 Series: 12:29

From: $9.99

Price as configured: $0.00

Availability: In stock

Price as configured: $0.00

Kit Contents

CIM-ile (217-3198):

  • (1) CIM-ile Hardware Kit
  • (1) CIM-ile Housing Kit
  • (1) Radial Bearing - 3/8" ID
  • (1) Radial Bearing - 3/16" ID

CIM-ile Hardware Kit (217-3271):

  • (1) 8mm with 2mm keyway Output Shaft (29T 32dp Gear)
  • (1) Press on 12T 32dp Pinion for 775 Series Motor
  • (1) Press on 8T 32dp Pinion for RS-550 Motor
  • (1) #10-32 X 0.500" Standoff
  • (1) M3 X 0.5 X 8" Socket Head Cap Screw
  • (1) M4 X 0.7 X 10" Socket Head Cap Screw
  • (1) #10-32 X 0.375" Socket Head Cap Screw
  • (1) #10-32 X 0.500" Socket Head Cap Screw
  • (1) M2 X 10" Phillips Screw

CIM-ile Housing Kit (217-3253):

  • (1) Output Housing
  • (1) Input Housing
Docs & Downloads
  • (1) RS-550 motor or (1) 775 Series motor
  • Outputs
  • 8mm with 2mm keyway Output Shaft
  • Material Type
  • Output Shaft - 7075 T6 Aluminum
  • Pinion Gears - 4140 Steel
  • Gearbox Housing - Glass-filled Nylon
  • Drawing
  • 0.14 lbs (gearbox with no motors)
  • CAD Files
    Click the button next to a file to view it in your browser.