Shimano EW-SD50 Di2 E-Tube Wire 1200mm Weight-1576 Extended zones around the temples

Extended zones around the temples and back of the head give extra protection in risk areas

Teeth have been 3D-machined for ultimate mud shedding and quieter operation

Steerer Type Tapered Lockout Switch Crown Brake Type Post Mount 180 Negative Spring Air Travel (mm) 160 Offset 37 Axle to Crown Length 552 Front Axle 15mm Thru x 110mm Maximum Tire Width 81 S

The classic iconic legendary gold standard of headsets

Shimano EW-SD50 Di2 E-Tube Wire 1200mm Weight-1576 Extended zones around the templesShimano EW SD50 Di2 E Tube Wire 1200mm. Shimano E Tube wires and connectorsFrame grommets for E tube internal wiring compatible frames are sold separately see Shimano Frame Grommet Kit Electronic Shifter Extra Parts Ultegra Di2 wires utilize Shimanos e tube technology; e tube is a two prong system and is NOT cross compatible with Dura Ace 7970 Di2 wiring All e tube wires may be used for internal or external applications TECH SPECS Length 1200