1 spacer is correct. More than 1 is anti.
This.
Very important on a carbon steerer (and alu I guess?), with carbon I'd rather the stem clamp it fully than have a little bit showing to allow the top cap to be adjustable.
@edscoble started
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This.
Very important on a carbon steerer (and alu I guess?), with carbon I'd rather the stem clamp it fully than have a little bit showing to allow the top cap to be adjustable.