Isaac efficiency for sale ,full carbon frame and fork. Full dura ace 10 speed groupset in very good condition, chainrings are 53/39,rear cassette is 11/25in good condition there will be a brand new chain fitted as the one on it is a little grubby, wheels are easton ea50 areo again in good condition, continental gatorhardshell 700x23 on the rear with good life left in it ,continental gatorskin 700x23 on the front with good life left in it handlebars a full carbon bp4 . Over all bike is in very good condition very smooth solid bike I'm looking for 1000 ono for it ,dont hesitate to ask any questions I'll answer the best I can, thanks for looking