Di2 Cockpit Junction Box 5-Port X-Small (44-49) Max Ring (teeth): 40

Max Ring (teeth): 40

or other accessories to suit your personality and needs

Trail and All Mountain use

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) Max Ring (teeth): 40Shimano 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