PRO Akkuhalter steerer internally for Di2 battery SM-BTR2
Di2 battery holder for the steerer. An ideal place for the battery, as this an optimal weight distribution on the wheel is achieved. Another plus - the battery is protected in the head tube relatively well against environmental influences and is always easy to reach.
Diameter steerer: 1 1/8 inch (28.6 mm)
Compatibility: Shimano Di2 battery SM-BTR2
Content: 1x Battery holder including tool