Shimano Tiagra FC-4550 Double Chainset 50 / 34T Tyre Width_47c Weighing in at just 292g

Weighing in at just 292g

an accommodating rear derailleur

tougher brother of the First Air 30

Hub Center to Flange: 34

Wheels Manufacturing Felt Replacement Derailleur Hanger / Drop Out - 311

Shimano Tiagra FC-4550 Double Chainset 50 / 34T Tyre Width_47c Weighing in at just 292gShimano Tiagra FC 4550 Double Chainset; This 2 piece cap free design Tiagra level 9 speed compact chainset offers unbeatable performance, sporting many features from the pro level equipment, this allows a quick and easy installation whilst delivering a lighter feel compared to the traditional crank bottom bracket assembly. If you need quick and positive shifting, then the SG X chainrings with its pick up pins and tooth profiles will be right up your