What’s the gearing for the front sprocket and the motor sprocket for the 303FS?

The CYC X1 Pro gearing will include the 11/63T option which means it has a 38T bike chainring and a 63T motor chain sprocket (219H chain). 

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512 measurements for A20 and A24 series
Does Ristretto sell or provide replacement parts for the 512?
Can I customize my 512 bike with aftermarket or third-party parts?
What kind of accessories do you currently have or can expect in the near future?
What’s the top speed of the Ristretto 512?
What type of motor does the 512 use?
How do I charge the battery on my 512?
Can I use the Ristretto 512 bike on all terrains?
Is the 512 bike water resistant?
Where is the Ristretto 512 bike manufactured?

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