Brand-X - cheap, 2 bolt, no logos, good quality.
http://www.chainreactioncycles.com/mobile/brand-x-inline-6061-seatpost-2013/rp-prod6257
Any idea of weight?
I'm afraid not, mine are currently in the bike that lives at the velodrome or in the bike that lives at my parents'. They're not heavy though, and you can shed more weight by cutting them down, as they come 400mm long.
@starfish&coffee started
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Brand-X - cheap, 2 bolt, no logos, good quality.
http://www.chainreactioncycles.com/mobile/brand-x-inline-6061-seatpost-2013/rp-prod6257