Campagnolo Front Derailleur Stiffness Increaser Increases the stiffness of your carbon front derailleur braze-on mount to handle the increased torque of the EPS front derailleur. Guarantees a perfect working of the front derailleur even with 'brazed on' type mountings with low stiffness. - Carbon fibre frames with braze-on mounting in carbon fibre - Carbon fibre frames with braze-on mounting in ultra light and highly flexible aluminium Its necessary with carbon frames with carbon 'brazed on' mountings, where one can sometimes reach up to 10 mm of movement by forcing the derailleur cage with the hands.

Shimano Ultegra Di2 adaptor for braze-on front gear Band adapter to convert the Ultegra 6770 Di2 braze-on front derailleurs for bikes with no braze-on mount