PRO DI2 BATTERY HOLDER PRAC0085The PRO Battery Holder Seatpost is a SHIMANO Di2 battery holder for storing the electronic drivetrains battery in the seatpost. Highlights SHIMANO Di2 battery holder for storing the battery in the seatpost Including the stainless steel tool to remove the set Sizes: 28. 6mm seatposts (PRAC0094) and 31. 6mm seatposts (PRAC0095)

Combination: 11-12-13-14-15-16-17*-19*-21*-23*-25*T | 11-12-13-14-15-17-19*-21*-23*-25*-28*T | 11-12-13-14-15-17-19*-21*-24*-27*-30*T | 12-13-14-15-16-17-18*-19*-21*-23*-25*T | 12-13-14-15-16-17-19*-21*-23*-25*-28*T

Its compact and clean low profile design with black painted aluminium radiator fins reduces heat development immensely and increases brake force as well as brake pad's lifetime

Low sprocket_Max

Rear speeds 11/10

Built-in in-line gauge for perfect inflation every time

New Infinity hub plaform: stiff axle

Front Derailleur Clamp:34

Q-Factor: 172 mm

In order to also cut a good figure in terms of aerodynamics

•    Crank axle: Steel Plated

Integrated design

Chain Guard Compatibility: no