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Author Topic: Seatpost shim for thudbuster  (Read 2943 times)

sg37409

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Seatpost shim for thudbuster
« on: August 14, 2016, 07:16:06 AM »
Hi - On my thorn discovery twin, I would like to fit the 27.2 thudbuster seatpost, but I need to shim it down.
Does anyone know the internal diameter of the (rear) seat tube on a thorn discovery twin ?
thanks
SG
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Dave Whittle Thorn Workshop

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Re: Seatpost shim for thudbuster
« Reply #1 on: August 16, 2016, 08:42:39 AM »
The first batch were 29.6mm the 2nd 28.6mm, if you send me the frame number I could tell you 100%.
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sg37409

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Re: Seatpost shim for thudbuster
« Reply #2 on: August 19, 2016, 09:38:39 PM »
Thank you Dave - will get it tomorrow.
SG
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