Di2 Cockpit Junction Box 5-Port X-Small (44-49) SRAM's GX 1x11 X-Horizon rear

SRAM's GX 1x11 X-Horizon rear derailleur is engineered for smooth

Its carefully crafted frame is handmade of durable

This trick cassette also sports a semi-spider construction for a maximum stiffness-to-weight ratio

Shimano's Deore 10-speed Front Derailleur sports a lightweight cage that's chrome plated to reduce wear

Di2 Cockpit Junction Box 5-Port X-Small (44-49) SRAM's GX 1x11 X-Horizon rearShimano Di2 Junction Box 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 SM EW90 B 5 Port Cockpit Junction Box connects up to 2 pairs of Di2 shifters to the frame junction box via 5 SD50 E tube wires OEM front wiring kit for Dura Ace Di2 9070 LED battery charge