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The PowerHobby RotoLock Motor Mount is designed for Traxxas X-Maxx and XRT owners looking to install larger aftermarket brushless motors. The adjustable design supports multiple motor mounting patterns and provides a secure mounting solution for high-power setups.
The mount accepts compatible motors with 25mm, 25.4mm, or 30mm mounting-hole spacing and motor diameters up to 56mm, making it suitable for a variety of popular Hobbywing and Castle Creations motor setups.
Designed for Traxxas X-Maxx and XRT
Supports aftermarket brushless motor upgrades
Fits 25mm, 25.4mm, and 30mm motor mounting patterns
Supports motors up to 56mm in diameter
Compatible with appropriate Hobbywing MAX5 and MAX6 setups
Compatible with appropriate Castle 17-Series and 2028 motors
Adjustable gearing options
1/5 scale motor gearing range: 75T–98T combined pinion/spur tooth count
Up to 4985 motor gearing range: 70T–86T combined pinion/spur tooth count
Heavy-duty design for high-power applications
PowerHobby part number PHB6664
(1) PowerHobby RotoLock Motor Mount
Installation Hardware
NOTE: The stock Traxxas X-Maxx/XRT motor does not fit this motor mount. This mount is designed for compatible aftermarket motors.
This product was added on 09/28/2026 by JM.