Agree! The X1-CR RTR should be a better choice for a few hundred bucks more. Reason being that you can always upgrade using parts from the PRO or the new Team Factory edition parts.
The Ultra LX's .25 engine might be attractive due to it's bigger displacement, but a well tuned .21 can be just as fast.
Don't know how popular the Ultra LX Pro is, but parts for the X1-CR is very easy to find in KWS.
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