Shimano Claris FD-R2000 8 Speed Double Front Derailleur Braze OnThe Shimano Claris FD-R2000 8 Speed Double Front Derailleur brings you a solid and easy maintenance system, with precise and sensitive-action shifting. For use with your Shimano double front chainring. Comes ready for 34.9mm and has 28.6mm and 31.8mm adapters.689228386297