34.9mm Clamp.
microSHIFT R10 Front Derailleur 10 Speed - 34.9 Clamp On - Road Bike Black MS-10
microSHIFT R10 Front Derailleur 10 Speed - Braze On - Road Bike - White MS-04-J9
microSHIFT R10 Rear Derailleur 10 Speed - Short Cage - Gravel / Road Bike Black
Campagnolo Veloce Front Derailleur 10 Speed 32mm Clamp On Bottom Pull
NEW SRAM XX Front Derailleur 10 Speed Low Clamp Top Pull 31.8-34.9mm RRP£110
Shimano Dura Ace Front Derailleur 10 Speed 7900 Braze-on
