For installing SHIMANO braze-on front derailleurs to frames requiring a band clamp, the DURA-ACE SM-AD91 is available in 34.9, and 28.6/31.8mm sizes.
Mfr Claimed Weight
TBC
Shimano SM-AD91 Braze-On Clamp Adaptor
$17.99
For installing SHIMANO braze-on front derailleurs to frames requiring a band clamp, the DURA-ACE SM-AD91 is available in 34.9, and 28.6/31.8mm sizes.
Mfr Claimed Weight
TBC
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