Shimano Tiagra 4550 9 Speed Compact Chainset - 50/34T - 170mm Arm - Silver Crank Arm Length_172.5mm full-metal shift indexing integrated lock-on

full-metal shift indexing integrated lock-on grip design all combining in one to give an unrivalled performance in all scenarios

PLEASE NOTE: This fork has a tapered steerer

Cable lengths: 250 mm / 350 mm / 50 mm

Stiff & lightweight: thanks to its hm carbon composition

Shimano Tiagra 4550 9 Speed Compact Chainset - 50/34T - 170mm Arm - Silver Crank Arm Length_172.5mm full-metal shift indexing integrated lock-onShimano Tiagra 4550 9 Speed Compact Chainset 50 34T 170mm Arm Silver 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