caferacer wrote:
With the Sigma X will the di2 unit fit inside the stem itself, or will it only fit cables? Basically the old Sigma but being big enough to fit di2 9070 controller would be ideal.
The Sigma X Cable Cover isn't designed to house a Di2 junction, just collect mechanical cables. Instead, we recommend affixing the Di2 junction on the rear surface of the stem. Since there are no pinch bolts there, you should have extra room to "dock" the junction there (either with double-sided tape, or maybe hot glue), keeping it out of the wind while still easily accessible. Previously, the Sigma cable cover occluded the steerer tube, and the junction would fit in the space just above the top cap. Now, since we don't occlude the steerer tube, there's no "cavity" above it. But still plenty of spots to tuck a junction nice and neatly.
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TriRig.com