Nomu Lab Diary

Built a front wheel with 50/45mm Chinese carbon rims

Another day, another wheel (and so on).
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A customer brought in a pair of 50/45mm height, wavy-profile
Chinese carbon tubeless-ready rims.
Both are 24H, and I'll use the heavier one for the front wheel.

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Built it up.

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Revo disc hub, 24H, black semi-CX sprint.
Laced 64-spoke reverse Italian with black aluminum nipples.
I'll wire it up later.

This hub is also on loan from the customer, but despite the
centerlock rotor interface being clean—no wear marks from rotor mounting—
the hub bearings are pretty gritty and damaged.
The customer noticed it too and wants the bearings replaced.

Given the estimated service life,
the bearing wear happened unusually fast,
so over-tightening the thru-axle is
likely the culprit.

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On the 6-spoke side of the 64-spoke reverse Italian lacing,
inpokes pass through the original inpoke holes,
but the spoke pressure marks on the hub flange
are sitting in the 4-spoke lacing track.

When you lace 64-spoke instead of the original 44-spoke,
the initial right-drop / left-drop direction
when threading spokes through the hub flange reverses, so

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on the 4-spoke side, outpokes have to pass through
the original inpoke holes.

So this hub's previous life was
44-spoke reverse Italian lacing.

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