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SHIMANO Dura Ace Di2 9070 十一速電子波腳

SHIMANO Dura Ace Di2 9070 十一速電子波腳



Precise, lightning-fast shifts across an 11-speed cassette,
whatever the conditions, with just a button click.
The 9070 rear derailleur is now more compact and lighter,
with E-tube connection to simplify installation.
And automatic crash protection moves the cage out of harm's way.
* 11-speed design
* Automatic crash protection
* Maximum sprocket 28T
* Compact, lightweight body
HK $5,980.
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