• Recently switched my 105 2x10 over to 1x10. Everything seems to be good so far, been hammering it up and down (over bumps, curbs and drops) to try and derail the chain and it won't budge.

    I'll have to wait until the mud sets in to really see if i need a shadow XT mech.

    Anyone got some stories about 105 mechs not handling 1x10 well?

  • I'm using a 6600 rear mech just fine 1x10 but with a narrow-wide ring.

    I'd expect problems if you're using the regular 39t inner from a 2x setup, unless of course you just leave the f mech in place.

  • I've got a raceface N/W in the front. Did you change the tension spring (not in the factory hole/slot) in the mech?

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