DURA-ACE DI2 Front Derailleur Clamp Band Adapter 28.6/31.8 mm

SM-AD91-MS

DURA-ACE_R9100_m

SM-AD91-MS

DURA-ACE DI2 Front Derailleur Clamp Band Adapter - 28.6/31.8 mm

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.

  • Clamp band diameter: 31.8/28.6* mm, * with multi clamp band

PRODUCT SPECIFICATIONS

MODEL NO SM-AD91-MS
SERIES DURA-ACE R9100 Series
Remarks * w/ Multi Clamp Band
Compatible Clamp Band Size 28.6 mm*, 31.8 mm

SERIES LINE-UP

  • Bottom Bracket DURA-ACE Press Fit Bottom Bracket 86.5 mm shell width
  • Bottom Bracket SHIMANO DURA-ACE Threaded Bottom Bracket 68/70 mm shell width
  • Brake DURA-ACE Dual-Pivot Brake Caliper
  • Brake DURA-ACE Direct Mount Front Brake Caliper