microSHIFT R10 Front Derailleur 10-Speed Triple, 52/39/30T, 31.8/34.9mm Band Clamp, Compatible with Shimano Compatible, SilverR10 front derailleurs work with 10 speed Compatible with 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 Product Specifics Drivetrain Speeds: 10 Weight: 129 Front Derailleur Style: Traditional Max Ring (teeth): 52 Double or Triple: Triple Front Derailleur Clamp: 28. 6 (1 1 8") Front Derailleur Clamp: 31. 8 (1 1 4") Front