Shimano Dura Ace 7970 Di2 10 Spd Shifter Set all_products All aluminum die cast frame

All aluminum die cast frame construction

Slime Self Sealing Tube - 20"

Extra StretchProof mushroomed pins enhance durability

extending the duration between hot wax applications

Shimano Dura Ace 7970 Di2 10 Spd Shifter Set all_products All aluminum die cast frameShimano Dura Ace 7970 Di2 10 Spd Shifter Set The most advanced level of shifting technology: at the touch of a switch Dura Ace Di2 is quick shifting, smooth, and effortless, making for unmatched drivetrain efficiency. The removal of traditional mechanical cables in favour of electrical wires eliminates poor shifting caused by contaminates, corrosion and stretching, and also provides effortless gear shifts. Simply pressing tactile buttons allows