Have you cranked the life out of your Ultegra chainrings? If you're that awesome, you need a smoking deal on some replacements...and these are the original straight from Shimano. Lightweight and totally compatible, these forged 50t or 34t will slap right on your Ultegra compact (110mm BCD) crankset and get you shifting in no time.
Item No. » SH-FC6750CR