microSHIFT R10 Front Derailleur - 10-Speed Double, 56t Max, Band Clamp, Shimano Compatible, BlackR10 front derailleurs work with 10 speed Shimano compatible road shifters. Designed to work with a variety of chainring combinations, these workhorse components will get you rolling again. Cold forged aluminum body Precision forged steel shifting plate Product Specifics Double or Triple: Double Drivetrain Speeds: 10 Weight: 119 Derailleur Capacity: 16 Front Derailleur Clamp: 31. 8 (1 1 4") Front Derailleur Clamp: 34. 9 (1 3 8") Front Derailleur Cable