31.8mm Seatpost?

getonyourbike
getonyourbike Posts: 2,648
edited December 2010 in MTB workshop & tech
I'm thinking about putting buying a carbon seatpost to first of all improve comfort and secondly reduce weight, as I've added quite a few bits to it. According to Halfords the seatpost is 31.8mm but this isn't standard size, well i haven't seen one for sale before. So, is it really a 31.6mm seatpost or what, this is confusing?
Spec sheet:
http://www.halfords.com/webapp/wcs/stor ... Bid=t#dtab

Thanks
Pete

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