http://www.msn.com/en-us/video/wonder/human-electric-hybrid-tricycle/vp-BBp8p7T?ocid=spartandhp
Cool, but even well engineered prototypes can have chain alignment problems.
Maybe the builders should have checked with us here for advice on how to keep the chain on.
Tom
Cool, but even well engineered prototypes can have chain alignment problems.
Maybe the builders should have checked with us here for advice on how to keep the chain on.
Tom
