He can make sprints

Due to variations in derailleur hanger geometry

The anatomic dip reduces pressure from sensitive areas and the gel layer conforms to your shape

Rubberized Finishing Tape

Campy derailleurs work best with cassettes up to 11-36

Raceface XC X-TYPE English EXI,HOLLOWTECH-II,MEGAEXO-LIGHT,MEGAEXO 68/73mm Bottom Bracket Compatio_Enriched He can make sprintsRaceFace X Type bottom brackets for use with 24mm spindle cranksets from Race Face, Shimano and FSA. Allows the use of a 24mm spindle X Type or EXI crankset in a 68 73mm BSA threaded bottom bracket shell 6805 bearings Aluminum cups Interchangable with select Shimano and FSA BB systems Installed using standard 16 notch bottom bracket tool