Originally Posted by
Pompiere
It is a quill extension. I bought it to try on my other bike but I ended up using a Nitto Technomic instead. I wanted to get the bars up high enough to be able to ride mainly in the drops. The black Bianchi stem came out of the BOC a while back.
I know you probably went with what you had on hand, but you could lower the stem a bit by using a handlebar with less drop, like a cyclocross handlebar.
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80 Mercian Olympic, 92 DB Overdrive, '07 Rivendell AHH, '16 Clockwork All-Rounder