You say your chainline 'looks' right, have you measured it? it only needs be out by a couple of mm to contribute to the noise. otherwise, oil it and give at a few weeks to bed in.
@sniffy started
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You say your chainline 'looks' right, have you measured it? it only needs be out by a couple of mm to contribute to the noise.
otherwise, oil it and give at a few weeks to bed in.