PRO Di2 Steer Tube Battery Holder Black, 1 1/8in

Tuck your Di2 battery stealthily away in the steerer tube with the PRO Di2 Steerer Tube Battery Holder for clean lines and perfect frame aesthetics. Complete with a stainless steel removal tool, this battery holder securely keeps things in place for worry-free, smooth-shifting power and lets you get rid of that eye sore of an external battery mount.