DURA-ACE DI2 Front Derailleur Clamp Band Adapter 34.9 mm

SM-AD91-L

ULTEGRA_R8050_m

SM-AD91-L

DURA-ACE DI2 Front Derailleur Clamp Band Adapter - 34.9 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: 34.9 mm

PRODUCT SPECIFICATIONS

MODEL NO SM-AD91-L
SERIES SHIMANO ULTEGRA R8050 Series

SERIES LINE-UP

  • Front Derailleur Adapter DURA-ACE DI2 Front Derailleur Clamp Band Adapter 28.6/31.8 mm
  • Wireless Unit (DI2 spec.) E-TUBE Wireless Unit D-FLY
  • Front Derailleur SHIMANO ULTEGRA DI2 Front Derailleur 2x11-speed
  • Rear Derailleur SHIMANO ULTEGRA Short Cage DI2 Rear Derailleur 11-speed