Frame Junction Box connects via SD50 E-tube wires to four different points: front derailleur

Good for carrying some spares

Advanced Home Mechanic

Handlebar and Helmet Mountable

SHIMANO ET501 Flat-Sole Bicycle Shoes Size:- 41 Frame Junction Box connects viaDesigned for riders seeking a high performance touring shoe with a contemporary outdoor shoe design, Shimanos versatile and lightweight ET501 features a full length EVA mid sole that delivers efficient power transfer on the bike and all day comfort when off the bike and walking. The Shimano ET501 is a versatile and stylish lightweight flats style touring shoe that combines efficient power transfer on the bike with comfortable and secure walking