Revealed only recently thanks to the SHFindo group, it looks like we have official release info and pics for S.H. Figuarts Robo Rider!
Robo Rider is of course one of two alternate forms possessed by Kamen Rider Black RX. Right now the only known included accessories are a few sets of hands as well as his trademark Vortech Shooter sidearm. His personal bike, the Roboizer (an upgrade of Acrobatter), has also been seen as a prototype recently. But no release details are available currently. S.H. Figuarts Robo Rider will be out as general release in July for 3600 yen.