Shimano EW90 A Di2 Cockpit Junction Box 3 Port not for Flight Deck ad ok DESIGN & DETAILS: Technique and Reflective accents for visibility DESIGN & DETAILS: Technique and species specific rod actions Light and responsive 24 30 ton low resin carbon blanks Sea Guide deep press guide frames for added durability Zirconium inserts offer compatibility for both braid and mono Woven carbon fiber fore and rear grip reduces weight Precision placed stainless steel hook keeper on all models Stainless steel hook keepers on all CG rod models SST rods are backed by a 1 year limited warranty And with a Hydrostatic Head of >20 Shimano Di2 Junction Box All Di2 components on the bicycle require the same firmware version