So many of the fun electric go-karts I’ve found while window-shopping on Alibaba have been of the child-sized variety.

K1 Speed’s karts for teens and adults are capable of reaching 45 mph ... with the goal of bringing “European-style electric kart racing” to North America, according to a news release.

While these karts are for teens and adults who are at least 4'10", their ... K1 Speed is the premier indoor electric kart racing brand. The family-owned business was founded by David and Susan ...