Originally Posted by
bradcycles
When I look at that link, I see that the stem works for 31.8mm oversized handlebars. Is it also 31.8mm where the stem would attach to the seatpost? I didn't see that dimension listed.
Most stems sold today are for 1 1/8" steerers (with shims to take them to 1")
So, the stem is designed for 28.5mm
29.8 mm seatpost could be a problem.
My understanding is that Co-Motion uses a narrower seat post, and shims it at the seat for this reason.