Shimano clamp SM-AD91 for braze-on derailleurs - enables clamp mounting
With the Shimano SM-AD91 clamp, mechanical and electronic braze-on front derailleurs of the Dura Ace, Ultegra, 105 and GRX groupsets can be attached to frames without braze-on sockets. The clamp is made of aluminium and is available for 34.9 mm and 31.8 mm seat tubes. The latter version also comes with a shim which makes the clamp compatible with 28.6 mm seat tubes.
Material: aluminium Sizes: 31.8 mm (28.6 mm), 34.9 mm
- FD-R9100 - FD-R9150 - FD-R8000 - FD-R8050 - FD-R7000 - FD-RX810 - FD-RX815 - FD-RX400 - also suitable as replacement for the sold-out clamp SM-AD67
Manufacturer Part Numbers:
31.8 mm: I-SMAD91MS 34.9 mm: I-SMAD91L
- 1 x Shimano SM-AD91 shim - 1 x 28.6 mm adapter (only 31.8 mm version) - 1 x screw