Maybe, maybe not. You'll need an 11-speed chain, to start. Whether the shift levers will accommodate 11-cogs is the question. My old school 10-speed friction shifters will handle an 8-cog cassette, so that should work. Haven't tried anything bigger.
__________________
2010 AB T1X ** 2010 Cannondale SIX-5 ** 1988 Bottecchia Team Record ** 1989 Bianchi Brava ** 1987 Centurion Ironman Expert(2) ** 1985 DeRosa Professional SLX ** 1982 Colnago Super ** 1982 Basso Gap ** 198? Brian Rourke ** 1970 Raleigh Professional MK I ** 1952 Raleigh Sports