Checked with SQLab as am looking the 12degs 3ox and they stated that to preserve existing position you should use a slightly longer stem as the 30x do not sweep forward first before the rearward sweep. Their 311 bars do have a sweep forward first to negate the need to fit a longer stem.
Feb. 9, 2018, 8:29 a.m. - SiT
Checked with SQLab as am looking the 12degs 3ox and they stated that to preserve existing position you should use a slightly longer stem as the 30x do not sweep forward first before the rearward sweep. Their 311 bars do have a sweep forward first to negate the need to fit a longer stem.