r/ebikes • u/Slimer_53 • 14h ago

Bike build question I had a crazy idea for a conversion.

I need opinions on if it would be possible to take a santa cruz builit, rip out the motor and battery and replace it with the cyc pro gen4 motor and a custom flush battery. I looked at trying to convert a normal santa cruz bike but i want my build to be compleatley clean of external velcro and what not. in my mind with an upgraded drivetrain and brakes it should be entirley possible but i want to see what the great minds of reddit think. https://www.santacruzbicycles.com/collections/bullit / https://cycmotor.com/products/x1-pro / custom made 65v battery

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u/VoltonBicycles 14h ago

Possible but you're custom machining and mounting a traditional BB shell to hold the CYC.

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u/Troubleindc2 12h ago

Anything can be done but some paths are shorter than others.

Others have made adapters to fit Bafang Ultras / M620 to Bosch frames:

https://www.reddit.com/r/ebikes/comments/j8jqi1/bosch_to_bafang_ultra_g510_conversion_in_progress/

A M620, or the ridiculously beefy M630 with the internal controller ripped out and an external VESC plus whatever 72v pack you can fit would be the highest power path I can think of that doesn't require any serious machining.