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

SM-AD91-MS

ultegra_r8100

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 ULTEGRA R8100 Series
Remarks * w/ Multi Clamp Band
Clamp band diameter (mm)_28.6 X*
   
Clamp band diameter (mm)_31.8
Clamp band (mm)_28.6 X*
Clamp band (mm)_31.8

SERIES LINE-UP

  • Crankset SHIMANO ULTEGRA HOLLOWTECH II Crankset 2x12-speed
  • Brake SHIMANO ULTEGRA Dual-Pivot Brake Caliper
  • Brake SHIMANO ULTEGRA Direct Mount Front Brake Caliper
  • Brake SHIMANO ULTEGRA Rear Seat Stay Mount Rear Brake Caliper