Ofo launched in Seattle with a few hundred bright yellow bikes on Thursday, and will gradually roll out the full 1,000 that is permitted — Spin and LimeBike both plan to do the same.

Spin Bike and LimeBike are expanding their Seattle fleets to 3,000 each. When we last checked in with the dockless bicycle sharing companies, they were operating about 2,000 a piece.

Lime and Spin are rolling back into St. Paul this season with electric scooters and electric-assist bikes. This will be the second consecutive year that Lime offers electric-assist bike-sharing in ...