The Shimano Claris R2000 8 Speed Front Derailleur is a good value front derailleur designed specifically for road use.  Shimano Claris R2000 8 Speed Front Derailleur Features Good value front derailleur for road use Wide pivot link increases rigidity while reducing flex for improved shifting response Aluminium outer link to save weight and improve rigidity For 8-speed drivetrains For use with double chainsets Plated steel chain cage for durability Fits 28.6 / 31.8 / 34.9 mm frames