Band-on 28.6/31.8mm clamp with removable shim.
Shimano Sora R3000 Front Derailleur clamp on 34.9mm mech Double chainset Bike
Shimano SORA Road Front Derailleur Clamp Band Reducing Adapter, 34.9mm to 31.8mm
Shimano SORA Road Front Derailleur Clamp Band Reducing Adapter, 34.9mm to 28.6mm
Shimano Sora FD-R3000 2 x 9 Speed Front Derailleur - Braze On Mount
Shimano Sora FD-3300 8 Speed Double Clamp On Front Derailleur 31.8mm
