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Case Study: Wheel Hub Assembly Supply for a bus operator in West Africa

Source:Case / Time:2026-09-18

Wheel Hub Assembly for A bus operator in West Africa

A bus operator came to us with a wheel hub assembly programme for West Africa. The brief was ordinary and unforgiving at the same time: a fixed launch window, a landed cost that had to survive freight and duty, and a part that had to match an existing sample. This case records what was specified, what went wrong in sampling and how the bulk order landed.

The starting point

  • A supplier who changed material without saying so
  • Packing that arrived crushed at the port
  • A specification nobody had written down

Wheel Hub Assembly case study

What was specified

PartWheel Hub Assembly
ClientA bus operator
MarketWest Africa
Volume20,000 pieces across 4 specifications
Base materialSilicone
Sampling rounds2
Delivery window4 weeks from PO to ex-factory
ComplianceTUV

How it was resolved

  1. The specification was rebuilt around Silicone and the tolerance locked before bulk.
  2. A pre-production sample was approved and kept as the golden reference.
  3. Production ran with in-line inspection and a mid-run photo report.
  4. Cartons were packed to the client's own barcode and ratio specification.
  5. Documentation shipped with the goods instead of after them.

Wheel Hub Assembly production run

Result

  • 20,000 pieces delivered inside the 4-week window.
  • Unit cost held within 3.0% of the original quotation.
  • Inspection-related rejection stayed under 0.5%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Keep one accountable owner on both sides. Most delays come from hand-offs, not from machines.

Planning something similar?

Tell us the model, the fitment and the quantity and we will hold a production slot for you.

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