The shimano 105 5700 double sti brake lever has been ergonomically designed to provide a faster smoother and lighter shift boasting great features such as 39tuneable reach adjusters39 to enable custom fitment for all hands and silicon greased cables to further reduce shift friction and increase service life the 105 5700 double sti brake levers are typical shimano parts and will grant you nothing but sheer admiration from other riders features ergonomically designed 10 speed 105 dual