SHIMANO®DI2 seatpost battery collar.
With griding paper, alcohol wipe, glue.
Material: AL6061-T6
Spec:
ADP-DI2-31.6 for seatpost I.D. Ø27.2mm.
Seatpost I.D. must be round.
ADP-DI2 O.D. Coustomer design available.
Weight:
28.5g(for Ø31.6)
For more details, please direct inquiry to us, Thank You!!!