[Knufire]

Originally Posted by Lil' Lavery

You're also inviting the risk of tripped circuit breakers if you're not careful about your power consumption in high gear (especially if you're not traction limited) and programming when you shift gears.

This is actually the rationale I've seen behind shifting with 3 CIMs. If you want a faster high gear, it's how you avoid tripping breakers (and/or brownout) if you end up in a situation where pushing is your only way out