Featured, Product Announcements MST Releases Final RMX2.0 MB Suspension Piece 7/15/19 July 15, 2019 Super-G The aluminum MB upright is released! We hope to get these in asap! We know a lot of eager RMX owners that have been waiting!Available in red or black at the moment: 210620R MB Alum. Rear upright set (red) 210620BK MB Alum. Rear upright set (black) Share this:FacebookPrint