I've read that you shouldn't ever use a head doctor on a carbon steerer, the force it creates can crack the steerer. Just out of interest, where did you procure the 3T alloy sleeve from?
@Gabe started
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I've read that you shouldn't ever use a head doctor on a carbon steerer, the force it creates can crack the steerer. Just out of interest, where did you procure the 3T alloy sleeve from?