Yaruijia Titanium Bolt M4x8/12/15/20mm Allen Key Taper Head Screw for Bicycle Thumb Shifter front Derailleur H/L Adjustment

Yaruijia Titanium Bolt M4x8/12/15/20mm Allen Key Taper Head Screw for Bicycle Thumb Shifter front Derailleur H/L Adjustment

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