SHIMANO SM-RT66 Disque de Frein pour Freins 6 Trous Argent Argent Diamètre 160 mm & Adaptador Freno Disco 180mm-SM-MA-F180 Post/Standard Noir Taille Unique : Amazon.fr: Sports et Loisirs
Disque de Frein Shimano SLX SM-RT66 - Mantel
Shimano SM-RT66 Disque de frein 6 trous | Bike-Discount
disque shimano 180mm d'occasion | Biked
How do I know which one is genuine on SM-RT66 rotors? One says made in China (SK) while other says Japan (RA). Both has different edges. Please confirm. Got china one from