Campagnolo Veloce 10sp Rear DerailleurThe Campagnolo Veloce 10 speed rear derailleur is developed for precise and silent gear change with classic Italian styling. Features: Aluminium body Compatible with Campagnolo 10 Speed shifters only Mount Type: Standard hanger type mount Largest Sprocket: 30T Overall Capacity: Short Cage 32t; Medium Cage: 37T Smallest Sprocket: 11T Highest Chainwheel Difference: Short: 16t; Medium: 22T Upper To Lower Pulley-Axle: 55mm Rollers on bushings Rollers in special rubber Weight: 227g (short cage)Manufacturer Reference Codes:Silver Short Cage: CPBS132Black Short Cage:CPB132CBlack Medium Cage: CPB134C Silver Medium Cage: CPBS134TechnologiesUltra-Shift: This control by Campagnolo is regarded by everyone as the fastest and most precise. Thanks to the Ultra-Shift patented system; you can move the chain simultaneously up 3 sprockets and then 5 down. Furthermore, the lever design allows for an ever lighter shifting, whilst maintaining the click sound featured on all Campagnolo controls. The Ultra-Shift system is featured on Super Record, Record and Chorus groupset ranges.Buy Campagnolo Components from Chain Reaction Cycles, the Worlds Largest Online Bike Store.