Front derailleur (1)

Option: 1, 34.9mm (Top swing): 34.9/35mm 2, 31.8mm (Top swing): 34.9/35mm with adapter 3, 34.9mm (Down swing): 34.9/35mm 4, 31.8mm (Down swing): 34.9/35mm with adapter —————————————————————————— Model: Sram X7(Top swing)...