Shimano RD-R9150 Dura-Ace Di2 11-Speed Rear Derailleur
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- Programmed automatic motion at the touch of a switch makes this derailleur quick, smooth and effortless to shift
- Synchronized Shift designed, developed to choose the next biggest or lowest gear ratio irrespective of whether a gear change needs to be made by the front or rear derailleur
- Wireless data network system unit is integrated into mech
- The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching
- Low profile Shadow derailleur design
- Derailleur contains a saver (fuse) function, where the inner structure is protected from strong impacts
- 11-30T wide gear ratio capacity will cater for compact setups as well as the traditional road double
- Full carbon fibre inner and outer pulley plates enhance rigidity and keep it lightweight
- Titanium B axle bolt for further weight savings
- High tolerance cold forged aluminium link plates and body construction is extremely light and durable
- Four self-lubricating micro-machined fluorine-coated link pivot bushings gives low-friction shifting
- Pulleys are made of tough DuPont Zytel for longer life and less chain noise
- Direct mount compatible
- 11-speed E-tube Di2 compatible
- Max front difference: 16T
- Total capacity: 35T
- Weight is 204 grams
Occasionally, without notice, manufacturers change product design and/or specifications.
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