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I'm after an offset seat post (31.6mm, 400mm) for my Calibre Dune, it only needs to provide a couple of centimetres. I've noticed that the On-One Twelfty MTB Seatpost is the right length and diameter, but doesn't quite have enough layback. Does anyone have any suggestions for something similar with 20mm to 25mm of layback? I'd be tempted by some cheap(er) Chinese carbon jobbie if I could fathom which of the multitude was the right thing...
something like the Ritchey layback seatposts is what you're looking for. Planet X have one similar to the old ritchey design for £10
https://www.planetx.co.uk/i/q/SPPX6061/planet-x-6061-alloy-seatpost
EDIT, just noticed you need 400mm.
one of these:
http://www.chainreactioncycles.com/funn-block-pass-seatpost/rp-prod109359
will do the trick, very similar design to the old easton seatposts, loads of layback.
actually, for 400mm http://www.chainreactioncycles.com/funn-block-pass-seatpost/rp-prod109359 <
will be better
Thanks @lovewookie shame that PlanetX one doesn't come in 400mm! The 350mm one I have is only 10 - 15mm too short too...