New Shimano Patent Details 13-Speed Wireless Road Drivetrain

Could a new Shimano patent point to a design direction that could leapfrog both SRAM and Campagnolo groupset designs?
( Photos: 1 ) 

​ Could a new Shimano patent point to a design direction that could leapfrog both SRAM and Campagnolo groupset designs?( Photos: 1 )   Read More Pinkbike.com 

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