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

SM-AD91-MS

ULTEGRA_R8000_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 ULTEGRA R8000 Series
Remarks * w/ Multi Clamp Band

SERIES LINE-UP

  • Brake Cable SHIMANO ULTEGRA Brake Cable
  • Thru Axle SHIMANO 100x12 mm E-THRU 121 mm Axle Road Front
  • Thru Axle SHIMANO 142x12 mm E-THRU 163 mm Axle Urban Rear
  • Chain SHIMANO STEPS E6000 11-Speed Super Narrow E-BIKE Chain