Bicycle tail strap-Shimano Front Derailleur Clamp Band Adapter 28.6/31.8 mm or 34.9mm

Clamp Diameter 28.6/31.8mm 34.9mm
Qty:

DURA-ACE DI2 Front Derailleur Clamp Band Adapter

For installing SHIMANO braze-on front derailleurs to frames requiring a band clamp
Available in sizes 28.6/31.8mm, 31.8mm & 34.9mm
*28.6/31.8mm option fits 28.6mm seat tube with a provided adapter