Shimano Dura-Ace FD-R9150 Di2 Front Derailleur Braze-on Adaptor 34.9mm Cassette and Freewheel Spacers Premium cotton with stretch mesh

Premium cotton with stretch mesh ventilation

Axle to Crown Length 554 Brake Type Post Mount 180 Color Shiny Black Crown Race 40 Defined Color Black External Adjustments High Speed Compression Damping External Adjustments Low Speed Compression Damping External Adjustments Rebound Damping Front Axle 15mm Thru x 110mm Lockout Switch None Maximum Tire Width 72 Negative Spring Air Offset 37 Positive Spring Air S

Internal side impact absorber

Please consult your seatpost manufacturer to check compatibility

Shimano Dura-Ace FD-R9150 Di2 Front Derailleur Braze-on Adaptor 34.9mm Cassette and Freewheel Spacers Premium cotton with stretch meshShimano Dura Ace FD R9150 Di2 Front Derailleur Braze on Adaptor 34. 9mm. Shimano Front Derailleur Braze On Adaptors TECH SPECS Front Derailleur Clamp 34. 9 (1 3 8")