Limited Edition Racing Zero

A customer dropped off a limited edition Racing Zero that's in CULT (カルト) spec instead of USB.
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The front wheel looks fine overall—it only had a slight wobble.

While I've got the bike in for a press-fit BB cartridge replacement,
the customer also wants me to do a helicoil repair on the seatclamp bolt holes
and give the wheels a full overhaul.

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On the rear hub, the freewheel pawls aren't springing up properly—they're sluggish.
The springs themselves aren't bent, so it's just heavy crud buildup.

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↑You can tell from the left flange, but...

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This thing actually has red hub flanges.
The grime had accumulated and hardened so much that just a quick spray of parts cleaner
wasn't enough to get it off.

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