Picking the right rim size for my hub motor

ManBroSON

1 mW
Joined
Oct 15, 2020
Messages
14
I just purchased a 2021 Trek Dual Sport 2. The rear rim is 700c (622x20). I have the option of getting a 700c hub motor or a 29" rear hub motor. My current tire size is 700×40. I would like to be able to have a wider rear tire. Should I buy the 29" rear hub motor so that I can get a larger width rear tire (2.1" or so) in the future, or is it fine to stick with a 700c? Can a 700c (600x22) rim fit a 2.1" tire?
 
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