MUQZI Bike Handlebar Adapter Front Derailleur Conversion Shim 28.6 To 31.8 28.6 To 34.9 31.8 To 34.9mm Adjust Shim Bike Stem

MUQZI Bike Handlebar Adapter Front Derailleur Conversion Shim 28.6 To 31.8 28.6 To 34.9 31.8 To 34.9mm Adjust Shim Bike Stem

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