Front derailleur (2)

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)...

Option: 1, 34.9mm 2, 31.8mm: 34.9mm with adapter —————————————————————————— Model: Sram X4 Speed: 3×7/8 Speed Clamp Band size: 31.8mm/34.9mm Color: Black Material: Chrome-plated steel Action: Top Swing Cable route type:...