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  • I have a lynskey 29er. It’s a bit old now but otherwise fine. However it only takes a 27.2 seat post. The seat tube has an insert and it appears it reduces the size down from 31.8 to 27.2. I’d like to remove the insert and get the frame drilled to take a dropper post.

    There was a member here who had a lynskey made on one ti bike and he had a similar insert removed.

    Who would over such a service and what’d be the likely cost? Or should I try to use caustic soda to remove the insert and just get a bike shop to ream the seat tube of what ever has been used to bond the insert to the frame?