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  • Seatpost keeps slipping. Currently using Thomson 28.6mm clamp but it’s max torque spec is 2.8Nm. Also Thomson seatpost but having measure it the 27.2 claimed isn’t the actual size - which is 27.1. I have greased the bolt and copper slipped the seatpost/seat tube.

    Is there a 28.6 equivalent to the surly constrictor clamp?

  • Seatpost keeps slipping

    Lay off the pies, tubby :)

    Currently using Thomson

    You have only yourself to blame

    You'll probably be able to solve the issue with a cheap generic clamp with an M6 bolt which will happily take 8Nm. Otherwise you'll have to trawl the internets to try to find a 28.6/27.2 version of either the stepped bolted clamp or bolt/collet type

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