Shimano tiagra 4700 2x10sp band on front mech10 speed compatible tiagra front derailleur delivers pro features to sport level road riders featuring an extra wide pivot link to increase rigidity while reducing flex for improved shifting response features aluminium links and band to save weight and increase rigidity for road cycles equipped with 10 speed drivetrains plated steel chain cage maximum capacity of 16 teeth for outer rings up to 53 tootha 2 year warranty is offered with all shimano p