Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck Description-Seal Head Tool 47 14mm hardened MAX-Performance steel shackle

14mm hardened MAX-Performance steel shackle

Same great features as the classic Alloy Floor Drive in a taller version for less bending down

Drop forged

See manufacturer specs for chainline

Secure Auto-locking mechanism prevents accidental release

Shimano EW90-A Di2 Cockpit Junction Box 3-Port/ not for Flight Deck Description-Seal Head Tool 47 14mm hardened MAX-Performance steel shackleShimano Di2 Junction BoxAll 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