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$55.99
Original equipment replacement parts for your ride.
Adjustable telescoping length from 0-300mm to fit a wide range of rider heights.
Details:
- 2-bolt rocker-head with micro-adjustment
- 6061-T6 alloy shaft construction
- Height marker lines for easy adjustment
$99.99
Shimano BT-R1A External Di2 Battery
- All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions
- Use Di2 system checker to update component firmware
- Di2 External Battery, battery charger, and power cable are universal between Dura-Ace 9070, 7970, Ultegra 6870, 6770 and Alfine Di2 systems
- Battery weight: 71 grams
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