105 FC-5503

Shimano 9 speed alloy 170 mm Hollowtech crankarms. Shimano Hyperglide- SG B- 52/42/30 tooth alloy chainrings. 130/74 mm BCD. Threaded 9/16 x 20 TPI, Model FC-5503.

Shimano 9 speed alloy 170 mm Hollowtech crankarms. Shimano Hyperglide- SG B- 52/42/30 tooth alloy chainrings. 130/74 mm BCD. Threaded 9/16 x 20 TPI, Model FC-5503.