NEW Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Type_Eyewear The Impala MIPS uses the

The Impala MIPS uses the ATS Fit System to tighten 360 degrees around your head for a secure fit and all-day riding comfort

Sta-Tru XC21 alloy double wall disc specific rim

and mud shedding abilities

Semi-rigid design holds its shape well and is weather resistant

You can use your old Dura Ace brifters

NEW Shimano EW-JC304 Di2 Junction Box - 4 Ports, Use With EW-SD300 Type_Eyewear The Impala MIPS uses theShimano Di2 Frame Junction Box Frame Junction Box connects via SD50 E tube wires to four different points: front derailleur, rear derailleur, cockpit junction box and battery mount All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware from http: e tubeproject. shimano. com