11sp Sram XD (Roam 30) Freehub walking out of rim engagement- Mtbr.com
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  1. #1
    featherweight clydesdale
    Reputation: Fattirewilly's Avatar
    Join Date
    Dec 2001

    11sp Sram XD (Roam 30) Freehub walking out of rim engagement

    I hope my explanation makes sense....my rear hub has developed an issue where the cassette/freehub is walking out of the engagement area of the rear up, toward the frame. The small cog on the cassette moves all the way up to rear dropout area of the frame, stops up against the dropout, keeping the freehub engaged enough to ride. Shifting is totally screwed with the cassette a half gear off. Chain doesn't have room between the dropout to go down to smallest gear.

    I've re-installed the cassette and it walks off again in a couple miles. It just presses back on. Am I missing something? Or is it time to go back to Shimano.
    Charlottesville Area Mountain Bike Club

  2. #2
    Reputation: changingleaf's Avatar
    Join Date
    Apr 2010
    The end cap and the thru axle should be holding the freehub in place. The lockring holds the cassette in place. I can't think of anything else. See if any of these are missing or the wrong size.

    Bring the bike to the shop you bought it at.

  3. #3
    mtbr member
    Join Date
    Jan 2010
    A picture might help. Let me know if you need any, I have a good ROAM 30 hanging in the garage.

  4. #4
    mtbr member
    Reputation: Lone Rager's Avatar
    Join Date
    Dec 2013
    Yeah. I have a Roam 30 out in storage, so not quick/easy to look at. As I recall, the axle cap holds the freehub on. If the axle cap is missing, tightening the thru axle would pinch the dropouts together and cause it to bind. The axle cap is trapped by the cassette lock ring on the XD freehub.

    You say "go back to Shimano". Is this a splined freehub with a Shimano cassette or an XD free hub? It may be that you need a 1.8mm spacer behind the cassette if it's a splined freehub compatible with road 11 speed, or and XDR compatible freehub with a mountain cassette.
    Do the math.

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