2012 SHIMANO DURA-ACE CS-7900 10 Speed Bike Cassette 10sp 11 - 25 t Sprocket
SHIMANOCS-790010 SPEED CASSETTEuse: roadcog material: alloylargest cog material:titaniumcarrier material: alloychain compatible: 10 speedweight: 178gcolor:silversprocket teeth: 11,12,13,14,15,17,19,21,23,25tcondition: in oem packagingplease note: CS-7900 11-28t used for photos.