Shimano Fc-5703 105 172.5 50/39/30t 10-speed Black W/o Bb

Shimano's 105 level crankset sets the standard for high performance at a reasonable budget. The proprietary HOLLOWTECH II design provides an optimum balance of light weight and stiffness, while SIS front index shifting has long been the industry benchmark for instantaneous and assertive front shifting performance. Additional improvements include increased spacing between the inner and outer chainrings to reduce chain interference in cross-chain situations. Bottom bracket not included

50 tooth outer chainring, 39 tooth middle chainring, 30 tooth middle chainring
Hollow forged crank arms increase stiffness and decrease weight
Compatible with 10 speed chains
Shimano Reference Number: FC-5703