DURA-ACE 42 tooth derailleur for FC9000 ( 11-speed ) cranksets. No rack and pinion for cranksets with 54/42 or 55/42 gears for time trial or triathlon, for 11-wheel, using the best materials and technologies for high stiffness, low weight and highest shifting quality.
Type: ROAD, Number of teeth on the derailleur: 42, Gears: 11 speed, For derailleur combination: 54/55/42, Number of gears: 2x11, Gear spacing: 110mm, silver
Shimano DURA-ACE. Engineering at its peak. Every single component has been designed to push unrivalled levels of performance to the limit when used together.
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