Shimano EW-RS910 Di2 Internal Junction A Box imp Reviewers consistently praise the GP5000

Reviewers consistently praise the GP5000 for its ride quality

and barrel nut combination that has proven strong over the years

high performance Chamois Cream

Whether it's your Carbon seatpost having a mind of its own or your Carbon stem is struggling to grip your handle bars

flexible and lightweight TR90 frame

Shimano EW-RS910 Di2 Internal Junction A Box imp Reviewers consistently praise the GP5000Designed 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