Di2 4-Port Junction Box Vendor_Continental Outside Diameter: 31

Outside Diameter: 31

Aerodynamic design

Comfort plays a big part in speed--that's why SRAM designed the Force 22 ErgoDynamic Shifters with an ErgoFit textured body and refined hood shape that improve grip and provide a smooth transition to the bar

Socket with mounting plate

Cage Length:Long

Di2 4-Port Junction Box Vendor_Continental Outside Diameter: 31Shimano Di2 Frame Junction Box FEATURES: 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