• Ok, as my brand new frame arrived just before covid last January it has sat in a corner in its box rather unloved, reinventing my commuter took priority for some reason. Anyway, I’ve dug a box out of the box and discovered the perfectly good headset the frame was supplied with. There is a slightly illegible code on the side of the bearing races, anything in particular I should be looking for?

  • Right, at risk of coming across as stupid as I obviously am, top is 1 1/8 bottom is 1 1/2. The external width of cup where it enters headtube seems slightly larger allowing for the 1mm? depth of the alloy.

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