Thanks to Eric/TrekkieB47 for spotting some at Toys R Us:
GoseiWonder of TokuNation found the Dino Cycles, apparently there will be Red, Black and Blue:
The Black Ranger's cycle is Red and Silver, Red's Yellow and Black and Blue's Silver and Black.
Fury Diamond of the RangerCrew blog has promotional pictures:
http://blog.samuraicast.com/power-rangers-dino-charge-press-photos-target/ | http://blog.samuraicast.com/power-rangers-dino-charge-press-photos-kmart/