27.2 seatpost? >28.6 with shim

lesz42
lesz42 Posts: 690
edited April 2011 in MTB workshop & tech
right i need a new seatpost, my aspect 45 use's a 28.6 dia seatpost, not many around or decent choice

so thinking of getting a 27.2 with a shim, using a shim, will it be ok? any wobble ? even slight?
Giant Trance X0 (08) Reverb, Hope Hoops 5.1D, XT brakes, RQ BC, Works Components headset 1.5

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