Sram X4 MTB Bike Front Derailleur 3×7/8 Speed Dual Pull Clamp-on 31.8/34.9mm

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: Dual-Pull(Top and down pull) Max chainring: 42T Weight: 180g