Shimano SM-AD91 Braze-On Clamp Adaptor Bikecorp Stealth-a-majig™ is the coupling that

Stealth-a-majig™ is the coupling that makes initial setup of hydraulic systems fast and convenient

Riding out of saddle on the uphill will become more pleasant

When you need a specific torque function

21 steel spokes in the rear elliptical cross section

Includes KMC Missing Link (quick-link)

Shimano SM-AD91 Braze-On Clamp Adaptor Bikecorp Stealth-a-majig™ is the coupling thatFor installing Shimano braze on front derailleurs to frames requiring a band clamp, the Dura Ace SM AD91 Braze On Clamp Adaptor is available in 34. 9mm and 28. 6 31. 8mm sizes. Mfr Claimed Weight TBC Fit your braze on front derailleur to a band clamp frame with this genuine adaptor, at CCACHE.