Say goodbye to cables! The latest generation of Shimano's 105 drivetrain is state-of-the-art, with the addition of the Di2 electronic shifting system. Now more affordable than ever, this technology offers total control and unmatched reliability in all conditions.
The R7170 front brake caliper allows everyone to push their limits. The all-new piston design gives it a braking power that can withstand the elements. Not only is it more compact and lighter than ever, but it's also quieter, with 10% more pad clearance than the previous model. No more noise from rotor friction. Plus, fluid bleeding has been simplified to make it a breeze.
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