Shimano ST-R8170 STI Shifter Right w/ BR-R8170 Front Calliper 12-Speed Di2 Wheel Tools Smith Wilder Junior MIPS Helmet:

Smith Wilder Junior MIPS Helmet:

With a synthetic suede palm and breathable mesh upper

moisturewicking fabric

sharing a primary battery charging from the rear derailleur

Shimano ST-R8170 STI Shifter Right w/ BR-R8170 Front Calliper 12-Speed Di2 Wheel Tools Smith Wilder Junior MIPS Helmet:DURA ACE shared DNA The new R8100 series is designed for those seeking their next competitive advantage. Sharing the same DNA offering the same incredible performance of the R9200 series across all functions, empowering the rider to take their ride to the next level. Wireless Simplicity The revised Di2 platform featured on the DURA ACE series is now standard with the ULTEGRA R8100 series. Making the shifter derailleur system completely wireless,