10-speed compatible Tiagra triple front derailleur delivers pro features to sport-level road riders Extra wide pivot link increases rigidity while reducing flex for enhanced shifting response Aluminium links & band to save weight & increase rigidity For road cycles equipped with 10-speed drivetrains Multi clamp band to fit 28.6 & 31.8 mm frame tubes Plated steel chain cage Maximum capacity of 20 teeth for outer rings 50 tooth