Interchangeable, precision engineered disc calliper mount adapter | For post type disc callipers to be mounted to post type forks with 180 mm disc rotors | Durable
Shimano Tourney Rear derailleur compatible with all Shimano 6 and 7 speed shifters. Advanced light action design | SGS cage can handle wide range gearing. Direct fit (screws into hole in frame). | SIS Rear index shifting. 13 tooth pulleys offer long service life and less noise.