Shimano Dura-Ace R9160 Di2 TT Bar End Shifters 1-Button Design Syncro Shift compatible Model=SM-RT64 Disc Brake Rotor com/bike/general-info/675/shock--eyelet-and-air-sleeve-information

com/bike/general-info/675/shock--eyelet-and-air-sleeve-information

Axle Type 12mm TA Freehub Body SRAM XD-R Hub Drilling 32H Hub Spacing 157mm Hub Spoke Type J-bend Position Rear Primary Color Black Rotor Mount 6-bolts Skewers Included No

Helmet-friendly Season Cool Weather Ear Coverage Yes Material Wool-Blend Gender/Age Unisex Color Black Size Large/XL Defined Color Black Windblock Yes Activity Cycling

MTB version fits: Mountain bikes and e-bikes with handlebars up to 80cm

Shimano Dura-Ace R9160 Di2 TT Bar End Shifters 1-Button Design Syncro Shift compatible Model=SM-RT64 Disc Brake Rotor com/bike/general-info/675/shock--eyelet-and-air-sleeve-informationShimano's Dura Ace SW R9160 TT bar end shifters feature a refined ergonomic shape and simple single button design. Provides quick shifting while riding in the aerobars Utilizes Shimano synchronized shift program allowing each bar end shifter to be programmed to upshift or downshift the rear derailleur while the Di2 computer decides when to shift the front derailleur for the optimal front and rear gear combination Firmware updates available through