Mirrycle Road STI Bicycle Mirror - Only Compatible w/ 2010 or older Bicycle rear-view mirror designed to fit Shimano STI levers (ONLY WORKS WITH MODELS DESIGNED PRIOR TO 2010) Easy-to-mount design puts mirror in ideal spot to see cars Unobtrusive location lets you shift and stop safely at all times Attaches to either left-side or right-side shift/brake lever Comes with all necessary tools; engineered to fit most STI levers