Shimano release new Dura-Ace R9100 and R9150 Di2 groupsets
Synchronised Shifting, integrated power meter, wireless connectivity… Shimano’s new Dura-Ace R9100 and R9150 groupsets are their most advanced ever, and have some seriously exciting upgrades
disc brakes
Synchronised Shifting, integrated power meter, wireless connectivity… Shimano’s new Dura-Ace R9100 and R9150 groupsets are their most advanced ever, and have some seriously exciting upgrades
How will the top-of-the-range disc version of the Specialized Tarmac fare with our reviewer?
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