SACRAMENTO, Calif. (BRAIN) — Amazon no longer is selling e-bikes shipped to California that exceed the state mandated maximum speed of 28 mph following a TV station's investigation.KCRA-NBC Channel 3 in Sacramento said an Amazon online search showed several e-bikes with advertised speeds of more than 40 mph that were available to be shipped to California. KCRA contacted Amazon about the listings, saying the state requires "all e-bikes sold by third-party sellers to comply with state laws, regulations and Amazon policies."