The Phoenix-125 is the paramount controller for either competition f5B and F5D flying, or just high energy hotliner sport flying. With an amazing 160A LMR surge rating, it can handle any LMR type application o the market. Space can be critical in tight performance fuselages, and the Phoenix-125's compact 1.25 x 2.65 x 1" dimensions leave you plenty of room for such an incredibly capable speed controller.
Phoenix-125 ESC - MSRP $199.95
See the Phoenix User Guide (1mb PDF) for more details on programmable options.