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

Reviewers consistently praise the GP5000 for its ride quality

256g (Small)

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

Superior adherence and extended lubrication life

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