Electronic & Hydraulic Shifting (Di2, Ui2, customisations)

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leggy_blonde in reply to @PhilDAS

Development done by someone else though? Shimano don't make electronics

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Tijmen in reply to @leggy_blonde

They will have designed the circuitry around that motor, its control algorithms, the communication protocol, etc. The components cost pennies, the electrical engineers who make them work together not so much.

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leggy_blonde in reply to @Tijmen

That was what I thought. Hence my original statement.

No point in 105 di2, all the money is in the electronic gubbins so it couldn't be much cheaper than ultegra

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