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Tubed Tire Specification Example for Camper Conversions: Low Maintenance Version

Source:Performance Flywheel / Time:2026-09-18

Tubed Tire Specification Example for Camper Conversions: Low Maintenance Version

This is a worked specification for tubed tire in a low maintenance version programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The low maintenance version version exists because the duty cycle on camper conversions is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually inconsistent hardness between lots.

Tubed Tire

Example specification

ItemTubed Tire
ApplicationCamper Conversions
VersionLow Maintenance Version
Base materialStainless Steel
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishanodised
MOQ3,000 pieces per specification
Sampling14 working days, 3 days per revision
ComplianceDOT

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Stainless Steel, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Tubed Tire example

Processes involved

  • CNC machining
  • laser cutting
  • die casting
  • powder coating
  • cold forging
  • gravity casting

Where this example applies

Programmes that run low maintenance version most often specify this build for camper conversions. Related applications include long-haul trucks, boat trailers, city buses, assembly programmes, dealership service.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 2.5 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

How long does sampling take?

Samples leave the factory in 14 working days, and each revision round adds about 3 days once you have seen the first piece.

What testing is included?

Standard lots ship with dimensional and hardness reports. DOT documentation is issued with the shipment when your market requires it.

What is the minimum order quantity?

The standard MOQ is 3000 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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