Dura-Ace R9160 Di2 TT Bar End Shifters, 1-Button Design, Syncro Shift compatible long sleeve jerseys 770-gram rear wheel that's not

770-gram rear wheel that's not only significantly lighter than the competition’s similar depth wheel

IPX7 waterproof means this light will be there when you need it

Deflect™ UV 50+ protects you from the sun's harmful rays

approximate weight 620g

they provide sustainable performance without compromise

Dura-Ace R9160 Di2 TT Bar End Shifters, 1-Button Design, Syncro Shift compatible long sleeve jerseys 770-gram rear wheel that's notShimano'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