*items may be in stock with supplier or via our shop stock. All items in stock in our shop will be dispatched within 48 – 72 hours.
Available on backorder
Fine-tune your Reedy Sonic 540-M4 motor for varying track conditions and applications with a powerful assortment of optional rotors. Each rotor is laser etched with its specification and part number for easy identification and technical inspection.
This is also used in the new M4 DE (Driver Edition) range of motors for improve throttle feel and consistency.
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