MRR V3 stock competition motors are based on the successful V2 platform with various updates to take overall performance to the next level. Improvements in this generation are significant, and will make a noticeable performance gain. That includes:
Engineered & Developed right here in the U.S.A.
1-piece precision machined motor can design that eliminates the need for long motor can screws.
Stator shape that meets the latest ROAR regulations for the highest legal performance.
Realigned sensor positions for more accurate reading.
Premium Ultra High Torque Rotor is now standard by default. You get best performance right out of the box.

DETAILED SPECIFICATIONS:

Short Stack: Yes
Case Length: 51.20mm
Case Diameter: 36.00mm
Shaft Extension: 14.00mm
Shaft Size: 3.17mm
Weight: 147g+/-2g
Screws Size (end cap): M2.5x6 (1.5mm Hex)
Screw Size (motor can): M2x6 (0.05" Hex)
Front Bearing Size: ID: 3.175mm OD: 9.525mm H: 3.9675mm
Rear Bearing Size: ID: 3.175mm OD: 7.9375mm H: 3.5712mm
Poles: 2-Pole
Default Rotor: Premium Ultra High Torque Rotor
ROAR Approved
Limited Factory Warranty: 120-Day