Shimano Sm-cre50 Steps Chainring

Key features:symmetric and narrower q-factor design than current e6000 seriesnormalization and unification of chainline for various system3-pieces construction with square bottom bracket axle serrationchain ring teeth: 44t, 38tchain guard type: double chain guard, single chain guard, without chain guard

Key features:symmetric and narrower q-factor design than current e6000 seriesnormalization and unification of chainline for various system3-pieces construction with square bottom bracket axle serrationchain ring