Shimano EW-RS910 Di2 Internal Junction A Box imp and sometimes pieces of the

and sometimes pieces of the tube and head flew off in all directions

flexible and lightweight TR90 frame

and barrel nut combination that has proven strong over the years

Superior adherence and extended lubrication life

Shimano EW-RS910 Di2 Internal Junction A Box imp and sometimes pieces of theDesigned for use as a bar end on drop handlebars or with designated frames, the RS910 junction is a 2 port option for internal E TUBE wire routing, charging, battery monitoring, and shift mode switching. Specifications Built in type Junction A for specific frame or handlebar end Please check with manufacturer for compatibility Mfr Claimed Weight 11g