DURA-ACE DI2 Front Derailleur Clamp Band Adapter 34.9 mm

SM-AD91-L

ultegra_r8100

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 ULTEGRA R8100 Series
Clamp band diameter (mm)_34.9
Clamp band (mm)_34.9

SERIES LINE-UP

  • Cassette Sprocket SHIMANO ULTEGRA 12-speed HYPERGLIDE+ Road Cassette Sprocket
  • Crankset SHIMANO ULTEGRA HOLLOWTECH II Crankset 2x12-speed
  • Brake SHIMANO ULTEGRA Dual-Pivot Brake Caliper
  • Brake SHIMANO ULTEGRA Direct Mount Front Brake Caliper