Felt Z80

Redpudding
Redpudding Posts: 11
edited June 2010 in Road buying advice
Running Felt Z80 for just on a year now and am thinking of changing the tiagra triple for the new 105 5700. Not sure tho if the rear wheel will accept a 10 speed cassette and whether the bottom bracket will be British or Italian thread. Anybody know or can tell me how to measure?