Nomu Lab Diary

Rebuilt a GP4 Rim Wheel (Front Wheel, But It's the Sequel)

Wheels again today (and so on).
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The front and rear wheels have different rims,
but since I use them as a pair,
I'm splitting this into front and rear posts.

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The rim is a GP4 with the red label.

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HB-7400 32H CX-RAY
6-spoke Italian laced.

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Since I had prepared a Record front hub,
I decided to replace the front wheel too.

When I checked the spoke length,
it showed a 1mm difference,
but in reality it was about 0.3mm different—
it just crossed the rounding boundary
so it showed up as a 1mm difference.
So I decided to reuse the spokes.

I'll reuse the inpokes as inpokes,
and the outpokes as outpokes.

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The hub flange bore a single trace
(since a wheel's build history
isn't necessarily limited to just one rebuild)
showing marks from Italian lacing.
I'll follow these inpoke marks
to build the wheel.

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I removed just the inpokes
and cleaned them up since
the spoke heads were dirty.

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I transferred the inpokes to the Record hub.

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Before

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After
I also cleaned the outpokes.

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It's built.

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Record hub 32H CX-RAY
6-spoke Italian laced.
I reused the spokes,
but got new nipples.

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Looking in through the valve hole, I wanted to align the hub body phase as closely as possible with the grease hole,
but I prioritized matching the inpoke marks on the hub flange,
so it's a bit off.

The ring on the grease hole cap technically fits at any phase,
but since there's a protrusion on the inside too,
it only sits perfectly in one position.

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↑Like this

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The bearing adjustment locknut was cracked and broken.

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↑This is a 2001 spare parts catalog,
but when I checked, the FH-RE028 had been discontinued.

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Fortunately, the shop had one in stock, so we're good this time.

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