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Let's say I want to go electric bike, am I better buying a new one, or retool my old one (it's a cheap bike, mind you) with something like pic related? Or by going DIY if it's cheaper/more efficient?
I suppose motorizing the front wheel is less efficient than something being manufactured to be an e-bike from the get go, but I can't justify paying like 1500-2000$. I want to motorize it only for the hot summer days so I can travel effortlessly to my work. I can't join the mornings work meetings in suit while in sweat, after all.