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The sinch.2 is a 20" wheel bike with a 52t chainring and a 12-32 8 speed cartridge. This gearing ratio alone offers a lot of speed on a normal bike but the smaller tires of a folding bike really take the top speed down a couple notches. I find it very hard to get to 20mph let alone exceed it...

Incase you were looking for mirrors for your bike and you saw those $5-$10 round mirrors that clip into the ends of your handle bars that are sold everywhere out of china, I got them for my sinch.2 because they fold up. At best it is functional. The build was OK and they fit in using a bolt that...