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  • Seatpost collars, is there a significant difference between 34.9 and 35 mm?

    Am about to get a specialized dropper post for the fatbike. Specialized make a seatpost collar that has a loop to act as cable guide (for when the post goes up and down).

    9zero7 state the frame needs a 34.9 seatpost collar, whereas the specialized collar is 35mm. Will the 35mm collar work?

  • Seatpost collars, is there a significant difference between 34.9 and 35 mm?

    No, that's within the range-taking required to accommodate frame manufacturing tolerances. With an M6 clamping screw, each full turn closes the gap by 1mm and reduces the diameter by 0.32mm

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