The Shimano ST-EF500 Brake/Shift Lever is designed to provide reliable mountain bike shifting.Equipped with a reach adjust mechanism that allows for the distance from handlebar to lever to be adjusted in order to suit any hand size and riding preferenceThe optical gear display tells you which gear position is selected while ridingEZ Fire Plus design features 2 shift levers, with the upshift lever located at the top where it is easy to see