For the new DURA-ACE 9100 series Shimano has redesigned each component of the system to provide the most innovative component group of all time.
The derailleur cable routing has been adapted in order to reduce the force when switching on. The precise and easy adjustment of the derailleur offers more Zugführungsoptionen and an integrated adjustment of the tension. With its optimized transmission ratio in combination with the ST-R9100 Switching | Brake lever and the coated coatings makes the new Dura Ace derailleur both shorter lever paths as well as for reduced shifting forces.
Finish: Mounting by clamp or braze
Compatibility Setting: seat tube diameter 28.6 / 31.8 / 34.9mm
Compatibility Shifter: 11 speed Shimano Dual Pull ST-R9100, R9120 ST, ST-9000, ST-9001
chain line: 43.5 mm
Chainstay angle: 61-66
Capacity: 2-fold with 16 teeth difference between the largest and smallest leaf