ENVE 400mm Set-Back Seatpost Backpack Contoured design to fit your

Contoured design to fit your arm shape

compartments offer up to 20 litres of internal storage

Material: 6061 T6 aluminum

or to feel protected and shred your local bike park

Versatile Control Interface

ENVE 400mm Set-Back Seatpost Backpack Contoured design to fit yourWHAT IT IS A seatpost retention plug that holds an electronic shifting system battery securely inside ENVE carbon seatposts. WHY WE MADE IT Electronic shifting is the gold standard and more bikes are coming equipped with these groups. Housing the battery into the seatpost is an elegant solution and a good use of space. Available in 25. 4, 27. 2, and 30. 9 31. 6mm sizes, these plugs are designed to provide excellent battery retention and interface